Tetraodontidae

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Puffers [1]
Temporal range: Lutetian–Holocene
Tetraodon-hispidus.jpg
Inflated white-spotted puffer
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Tetraodontiformes
Suborder: Tetraodontoidei
Family: Tetraodontidae
Bonaparte, 1832
Type species
Tetraodon lineatus
Genera

See text

Deflated Valentinni's sharpnose puffer Canthigaster valentini 1.jpg
Deflated Valentinni's sharpnose puffer

Tetraodontidae is a family of primarily marine and estuarine fish of the order Tetraodontiformes. The family includes many familiar species variously called pufferfish, puffers, balloonfish, blowfish, blowers, blowies, bubblefish, globefish, swellfish, toadfish, toadies, toadle, honey toads, sugar toads, and sea squab. [1] They are morphologically similar to the closely related porcupinefish, which have large external spines (unlike the thinner, hidden spines of the Tetraodontidae, which are only visible when the fish have puffed up).

Contents

The majority of pufferfish species are toxic, with some among the most poisonous vertebrates in the world. In certain species, the internal organs, such as the liver, and sometimes the skin, contain tetrodotoxin, and are highly toxic to most animals when eaten; nevertheless, the meat of some species is considered a delicacy in Japan (as 河豚, pronounced fugu), Korea (as 복, bok, or 복어, bogeo), and China (as 河豚, hétún) when prepared by specially trained chefs who know which part is safe to eat and in what quantity. Other pufferfish species with nontoxic flesh, such as the northern puffer, Sphoeroides maculatus, of Chesapeake Bay, [2] are considered a delicacy elsewhere. [3]

The species Torquigener albomaculosus was described by David Attenborough as "the greatest artist of the animal kingdom" due to the males' unique habit of wooing females by creating nests in sand composed of complex geometric designs. [4]

Taxonomy

The family name comes from the name of its type genus Tetraodon, it is traced from the Greek words τετραtetra meaning "four" and ὀδούςodoús meaning "teeth" because its species has four large teeth fused into upper and lower plates used to crush the hard shells of crustaceans and mollusks, their natural prey. [5]

Genera

The Tetraodontidae contain 193 species of puffers in 28 genera: [1] [6]

Morphology

Pufferfish are typically small to medium in size, although a few species such as the Mbu pufferfish can reach lengths greater than 50 cm (20 in). [7]

Tetraodontiformes, or pufferfish, are most significantly characterized by the beak-like four teeth – hence the name combining the Greek terms "tetra" for four and "odous" for tooth. [8] Each of the top and bottom arches is fused together with a visible midsagittal demarcation, which are used to break apart and consume small crustaceans. The lack of ribs, a pelvis, and pectoral fins are also unique to pufferfish. The notably missing bone and fin features are due to the pufferfish' specialized defense mechanism, expanding by sucking in water through an oral cavity. [9]

Pufferfish can also have many varied structures of caltrop-like dermal spines, which account for the replacement of typical fish scales, and can range in coverage extent from the entire body, to leaving the frontal surface empty. [10] Tetraodontidae typically have smaller spines than the sister family Diodontidae, with some spines not being visible until inflation.

Distribution

They are most diverse in the tropics, relatively uncommon in the temperate zone, and completely absent from cold waters. [7]

Ecology and life history

Most pufferfish species live in marine or brackish waters, but some can enter fresh water. About 35 species spend their entire lifecycles in fresh water. These freshwater species are found in disjunct tropical regions of South America ( Colomesus asellus and Colomesus tocantinensis ), Africa (six Tetraodon species), and Southeast Asia ( Auriglobus , Carinotetraodon , Dichotomyctere , Leiodon and Pao ). [11] [12]

Natural defenses

The puffer's unique and distinctive natural defenses help compensate for its slow locomotion. It moves by combining pectoral, dorsal, anal, and caudal fin motions. This makes it highly maneuverable, but very slow, so a comparatively easy predation target. Its tail fin is mainly used as a rudder, but it can be used for a sudden evasive burst of speed that shows none of the care and precision of its usual movements. [13] The puffer's excellent eyesight, combined with this speed burst, is the first and most important defense against predators.

Arothron meleagris by NPS.jpg
Arothron meleagris by NPS 1.jpg
Guineafowl puffer – unpuffed and puffed

The pufferfish's secondary defense mechanism, used if successfully pursued, is to fill its extremely elastic stomach with water (or air when outside the water) until it is much larger and almost spherical in shape. Even if they are not visible when the puffer is not inflated, all puffers have pointed spines, so a hungry predator may suddenly find itself facing an unpalatable, pointy ball rather than a slow, easy meal. Predators that do not heed this warning (or are "lucky" enough to catch the puffer suddenly, before or during inflation) may die from choking, and predators that do manage to swallow the puffer may find their stomachs full of tetrodotoxin (TTX), making puffers an unpleasant, possibly lethal, choice of prey. This neurotoxin is found primarily in the ovaries and liver, although smaller amounts exist in the intestines and skin, as well as trace amounts in muscle. It does not always have a lethal effect on large predators, such as sharks, but it can kill humans.

Larval pufferfish are chemically defended by the presence of TTX on the surface of skin, which causes predators to spit them out. [14]

Not all puffers are necessarily poisonous; the flesh of the northern puffer is not toxic (a level of poison can be found in its viscera) and it is considered a delicacy in North America. [3] Toxin level varies widely even in fish that are poisonous. A puffer's neurotoxin is not necessarily as toxic to other animals as it is to humans, and puffers are eaten routinely by some species of fish, such as lizardfish [15] and sharks. [16]

Puffers are able to move their eyes independently, and many species can change the color or intensity of their patterns in response to environmental changes. In these respects, they are somewhat similar to the terrestrial chameleon. Although most puffers are drab, many have bright colors and distinctive markings, [7] and make no attempt to hide from predators. This is likely an example of honestly signaled aposematism. [17]

Dolphins have been filmed expertly handling pufferfish amongst themselves in an apparent attempt to get intoxicated or enter a trance-like state. [18]

Reproduction

Many marine puffers have a pelagic, or open-ocean, life stage. Spawning occurs after males slowly push females to the water surface or join females already present. The eggs are spherical and buoyant. Hatching occurs after roughly four days. The fry are tiny, but under magnification have a shape usually reminiscent of a pufferfish. They have a functional mouth and eyes, and must eat within a few days. Brackish-water puffers may breed in bays in a manner similar to marine species, or may breed more similarly to the freshwater species, in cases where they have moved far enough upriver.

Reproduction in freshwater species varies quite a bit. The dwarf puffers court with males following females, possibly displaying the crests and keels unique to this subgroup of species. After the female accepts his advances, she will lead the male into plants or another form of cover, where she can release eggs for fertilization. The male may help her by rubbing against her side. This has been observed in captivity, and they are the only commonly captive-spawned puffer species.

Target-group puffers have also been spawned in aquaria, and follow a similar courting behavior, minus the crest/keel display. Eggs are laid, though, on a flat piece of slate or other smooth, hard material, to which they adhere. The male will guard them until they hatch, carefully blowing water over them regularly to keep the eggs healthy. His parenting is finished when the young hatch and the fry are on their own.

In 2012, males of the species Torquigener albomaculosus were documented while carving large and complex geometric, circular structures in the seabed sand in Amami Ōshima, Japan. The structures serve to attract females and to provide a safe place for them to lay their eggs. [19]

Information on breeding of specific species is very limited. T. nigroviridis , the green-spotted puffer, has recently been spawned artificially under captive conditions. It is believed to spawn in bays in a similar manner to saltwater species, as their sperm was found to be motile only at full marine salinities, but wild breeding has never been observed. Xenopterus naritus has been reported to be the first bred artificially in Sarawak, Northwestern Borneo, in June 2016, and the main purpose was for development of aquaculture of the species. [20]

Diet

Pufferfish diets can vary depending on their environment. Traditionally, their diet consists mostly of algae and small invertebrates. They can survive on a completely vegetarian diet if their environment is lacking resources, but prefer an omnivorous food selection. Larger species of pufferfish are able to use their beak-like front teeth to break open clams, mussels, and other shellfish. Some species of pufferfish have also been known to enact various hunting techniques ranging from ambush to open-water hunting. [21]

Evolution

The tetraodontids have been estimated to have diverged from diodontids between 89 and 138 million years ago. The four major clades diverged during the Cretaceous between 80 and 101 million years ago. The oldest known pufferfish genus is Eotetraodon , from the Lutetian epoch of Middle Eocene Europe, with fossils found in Monte Bolca and the Caucasus Mountains. The Monte Bolca species, E. pygmaeus, coexisted with several other tetraodontiforms, including an extinct species of diodontid, primitive boxfish ( Proaracana and Eolactoria ), and other, totally extinct forms, such as Zignoichthys and the spinacanthids. [22] [23] The extinct genus, Archaeotetraodon is known from Miocene-aged fossils from Europe.

Poisoning

Pufferfish can be lethal if not served properly. Puffer poisoning usually results from consumption of incorrectly prepared puffer soup, fugu chiri , or occasionally from raw puffer meat, sashimi fugu . While chiri is much more likely to cause death, sashimi fugu often causes intoxication, light-headedness, and numbness of the lips. [24] Pufferfish tetrodotoxin deadens the tongue and lips, and induces dizziness and vomiting, followed by numbness and prickling over the body, rapid heart rate, decreased blood pressure, and muscle paralysis. The toxin paralyzes the diaphragm muscle and stops the person who has ingested it from breathing. People who live longer than 24 hours typically survive, although possibly after a coma lasting several days.

The source of tetrodotoxin in puffers has been a matter of debate, [25] but it is increasingly accepted that bacteria in the fish's intestinal tract are the source. [26]

Saxitoxin, the cause of paralytic shellfish poisoning and red tide, can also be found in certain puffers.

Philippines

In September 2012, the Bureau of Fisheries and Aquatic Resources in the Philippines issued a warning not to eat puffer fish, after local fishermen died upon consuming puffer fish for dinner. The warning indicated that puffer fish toxin is 100 times more potent than cyanide. [27]

Thailand

Pufferfish, called pakapao in Thailand, are usually consumed by mistake. They are often cheaper than other fish, and because they contain inconsistent levels of toxins between fish and season, there is little awareness or monitoring of the danger. Consumers are regularly hospitalized and some even die from the poisoning.

United States

Cases of neurological symptoms, including numbness and tingling of the lips and mouth, have been reported to rise after the consumption of puffers caught in the area of Titusville, Florida, US. The symptoms generally resolve within hours to days, although one affected individual required intubation for 72 hours. [28] As a result, Florida banned the harvesting of puffers from certain bodies of water. [29]

Treatment

Treatment is mainly supportive and consists of intestinal decontamination with gastric lavage and activated charcoal, and life-support until the toxin is metabolized. Case reports suggest anticholinesterases such as edrophonium may be effective.[ citation needed ]

See also

Related Research Articles

<span class="mw-page-title-main">Tetrodotoxin</span> Neurotoxin

Tetrodotoxin (TTX) is a potent neurotoxin. Its name derives from Tetraodontiformes, an order that includes pufferfish, porcupinefish, ocean sunfish, and triggerfish; several of these species carry the toxin. Although tetrodotoxin was discovered in these fish, it is found in several other animals. It is also produced by certain infectious or symbiotic bacteria like Pseudoalteromonas, Pseudomonas, and Vibrio as well as other species found in symbiotic relationships with animals and plants.

<span class="mw-page-title-main">Fugu</span> Various species of pufferfish

The fugu in Japanese, bogeo or bok (복) in Korean, and hétún in Standard Modern Chinese is a pufferfish, normally of the genus Takifugu, Lagocephalus, or Sphoeroides, or a porcupinefish of the genus Diodon, or a dish prepared from these fish.

<i>Takifugu</i> Genus of fishes

Takifugu, also known by the Japanese name fugu, is a genus of pufferfish with 25 species, most of which are native to salt and brackish waters of the northwest Pacific, but a few species are found in freshwater in Asia or more widely in the Indo-Pacific region. Their diet consists mostly of algae, molluscs, invertebrates and sometimes crustaceans.

<span class="mw-page-title-main">Blunthead puffer</span> Species of fish

The blunthead puffer is a pufferfish of the family Tetraodontidae, found circumglobally in tropical and temperate seas, at depths between 50 and 500 m. First recorded in the Mediterranean Sea off the Spanish coast in 1981, after entry via the strait of Gibraltar, it invaded the western basin in following decades and now reaches eastward the Adriatic Sea, the Aegean Sea and Levantine waters. Its length is up to 40 cm. It is an edible species, and is commonly eaten in Japan, where it is referred to as 'yorito fugu', and has a lower concentration of tetrodotoxin compared to other species of pufferfish prepared and eaten as fugu, but caution is needed as its liver contains dangerous levels of the toxin, and must not be eaten.

<span class="mw-page-title-main">Valentin's sharpnose puffer</span> Species of fish

Valentin's sharpnose puffer, also known as the saddled puffer or black saddled toby, is a demersal marine fish belonging to the family Tetraodontidae. The saddled puffer is a small sized fish which grows up to 11 cm. It is widely distributed throughout the tropical and subtropical waters of the Indian Ocean, Red Sea included, and until the oceanic islands of the Pacific Ocean. It inhabits rocky and coral reefs, lagoons and external reef until 55 m. Canthigaster valentini has a diurnal activity.

<span class="mw-page-title-main">Dwarf pufferfish</span> Species of fish

The dwarf pufferfish, also known as the Malabar pufferfish, pygmy pufferfish, or pea pufferfish, is a small freshwater pufferfish endemic to Kerala and southern Karnataka in Southwest India. They are popular in aquaria for their bright colours and small size. At a maximum total length of 3.5 cm, dwarf pufferfish are one of the smallest pufferfish in the world. They closely resemble the related Carinotetraodon imitator, and the two can be difficult to distinguish. C. imitator was not recognised as a different species until 1999.

<span class="mw-page-title-main">Blackspotted puffer</span> Species of fish

The blackspotted puffer, also known as the dog-faced puffer, is a tropical marine fish belonging to the family Tetraodontidae.

<span class="mw-page-title-main">Map puffer</span> Species of fish

The map puffer, also known as the map pufferfish, scribbled pufferfish, or Kesho-fugu, is a demersal marine fish belonging to the family Tetraodontidae. The map puffer is typically found in tropical and subtropical waters from the Indian Ocean to the western Pacific Ocean. This fish contains tetrodotoxin, a potent and deadly chemical compound used to ward off predators. Despite being highly poisonous, the map puffer can be found both in the aquarium trade and certain food markets.

<i>Colomesus psittacus</i> Species of fish

Colomesus psittacus, the Banded puffer, parrot puffer or South American estuarine puffer, is a species of pufferfish found all along the Western Atlantic coastline of South America from the Gulf of Paria down to the mouth of the Amazon River in Brazil.

<span class="mw-page-title-main">Grass puffer</span> Species of fish

The grass puffer, or Kusa-fugu, is a species of fish in the pufferfish family (Tetraodontidae). This common to abundant species is found in the northwest Pacific Ocean in China, Japan, Korea, the Philippines and Vietnam. It is primarily found in coastal waters, ranging to depths of 20 m (66 ft), but is often seen in brackish water and has also been recorded briefly entering freshwater. The grass puffer reaches up to 15 cm (6 in) in length.

<span class="mw-page-title-main">Northern puffer</span> Species of fish

The northern puffer, Sphoeroides spheroides, is a species in the family Tetraodontidae, or pufferfishes, found along the Atlantic coast of North America. Unlike many other pufferfish species, the flesh of the northern puffer is not poisonous, although its viscera can contain poison, and high concentrations of toxins have been observed in the skin of Floridian populations. They are commonly called sugar toads in the Chesapeake Bay region, where they are eaten as a delicacy. There was widespread consumption of northern puffers during the rationing that accompanied the Second World War, establishing a commercial fishery that reached its zenith in the 1960s. In much of the Northeast, the fish is known simply as "blowfish" or "chicken of the sea". They may also be sold as "sea squab".

<i>Canthigaster rostrata</i> Species of fish

Canthigaster rostrata, commonly known as the Caribbean sharp-nose puffer, is a pufferfish from the Western Central Atlantic. The Caribbean sharp-nose puffer is a small fish with a maximum length of 12 cm or approximately 4.7 inches. It can be encountered from the coast of South Carolina to Venezuela, including Bermuda, the Gulf of Mexico, and in the Caribbean Sea. They can live up to 10 years in the wild, females typically live longer due to aggressive male territory behavior. The Caribbean sharp-nose puffer is a highly toxic species of marine fish due to the presence of tetrodotoxin in its tissues and organs. Despite its toxicity, the sharp-nose pufferfish occasionally makes its way into the aquarium trade.

<i>Arothron meleagris</i> Species of fish

Arothron meleagris, commonly known as the guineafowl puffer or golden puffer, is a pufferfish from the Indo-Pacific, and Eastern Pacific. It is occasionally harvested for the aquarium trade. It reaches 50 cm in length.

<i>Arothron stellatus</i> Species of fish

Arothron stellatus, also known as the stellate pufferfish, starry puffer, or starry toadfish, is a demersal marine fish belonging to the family Tetraodontidae. It is found in shallow water in the Indo-Pacific region.

<span class="mw-page-title-main">Smooth toadfish</span> Species of fish

The smooth toadfish is a species of fish in the pufferfish family Tetraodontidae. It is native to shallow coastal and estuarine waters of southeastern Australia, where it is widespread and abundant. French naturalist Christophe-Paulin de La Poix de Fréminville described the species in 1813, though early records confused it with its close relative, the common toadfish. The two are the only members of the genus Tetractenos after going through several taxonomic changes since discovery.

<span class="mw-page-title-main">Common toadfish</span> Species of fish

The common toadfish, also known as the common toado, toadfish or toado, is a species of fish in the family Tetraodontidae of order Tetraodontiformes, found along Australia's eastern coast, from northern Queensland to Flinders Island, and around Lord Howe Island, as well as in New Zealand waters. It often buries itself in sand with only its eyes exposed.

<i>Sphoeroides annulatus</i> Species of fish

Sphoeroides annulatus is a species in the family Tetraodontidae, or pufferfishes. It is found in the eastern Pacific Ocean from California, USA to Pisco, Peru and the Galápagos Islands.

<i>Lagocephalus sceleratus</i> Species of fish

Lagocephalus sceleratus, commonly known as the silver-cheeked toadfish, or Sennin-fugu, is an extremely poisonous marine bony fish in the family Tetraodontidae.

<i>Torquigener pleurogramma</i> Species of fish

Torquigener pleurogramma, commonly known as the weeping toadfish or blowie, is a species of fish in the family Tetraodontidae. It is found in the coastal waters of Australia. Its flesh is highly toxic.

<i>Arothron reticularis</i> Species of fish

Arothron reticularis, variously known as the reticulated pufferfish, reticulated blowfish or reticulated toadfish, is a ray-finned fish in the family Tetraodontidae. It is native to the tropical and sub-tropical Indo-Pacific region where its habitats include sandy and muddy seabeds, coral reefs, estuaries and mangrove areas.

References

  1. 1 2 3 Froese, R.; D. Pauly (eds.). "Family Tetraodontidae – Puffers". FishBase. Retrieved 2017-08-23.
  2. ↑ McClane, A.J. (1977). The Encyclopedia of Fish Cookery . Holt, Rinehart and Winston. pp.  511 (p. 249). ISBN   978-0-03-015431-7. the encyclopedia of fish cookery.
  3. 1 2 Shao, K.; Liu, M.; Hardy, G.; Jing, L.; Leis, J.L. & Matsuura, K. (2014). "Sphoeroides maculatus". IUCN Red List of Threatened Species . 2014: e.T190246A1945870. doi: 10.2305/IUCN.UK.2014-3.RLTS.T190246A1945870.en .
  4. ↑ "Courtship, Life Story – BBC One". BBC. Retrieved 2017-10-05.
  5. ↑ Scharpf, Christopher (11 September 2023). "Family TETRAODONTIDAE" (PDF). The ETYFish Project. Retrieved 1 April 2024.
  6. ↑ Eschmeyer, WN; Fong, JD, eds. (July 31, 2017). "Species by family/subfamily in the Catalog of Fishes". California Academy of Sciences. Retrieved 2021-10-02.
  7. 1 2 3 Keiichi, Matsura & Tyler, James C. (1998). Paxton, J.R. & Eschmeyer, W.N. (eds.). Encyclopedia of Fishes. San Diego: Academic Press. pp. 230–231. ISBN   978-0-12-547665-2.
  8. ↑ "Puffer | fish | Britannica". Encyclopædia Britannica. Retrieved 2023-02-02.
  9. ↑ Brainerd, Elizabeth L.; Patek, Sheila N. (1998). "Vertebral Column Morphology, C-Start Curvature, and the Evolution of Mechanical Defenses in Tetraodontiform Fishes". Copeia. 1998 (4): 971–984. doi:10.2307/1447344. ISSN   0045-8511. JSTOR   1447344.
  10. ↑ Shono, Takanori; Thiery, Alexandre P.; Cooper, Rory L.; Kurokawa, Daisuke; Britz, Ralf; Okabe, Masataka; Fraser, Gareth J. (2019-09-27). "Evolution and Developmental Diversity of Skin Spines in Pufferfishes". iScience. 19: 1248–1259. Bibcode:2019iSci...19.1248S. doi:10.1016/j.isci.2019.06.003. ISSN   2589-0042. PMC   6831732 . PMID   31353167.
  11. ↑ Kottelat, M. (2013): The Fishes of the Inland Waters of Southeast Asia: A Catalogue and Core Bibliography of the Fishes Known to Occur in Freshwaters, Mangroves and Estuaries. The Raffles Bulletin of Zoology, 2013, Supplement No. 27: 1–663.
  12. ↑ Roberts, Tyson R. (1982). The Southeast Asian freshwater pufferfish genus Chonerhinos (Tetraodontidae), with descriptions of new species. Proceedings of the California Academy of Sciences 43: 1–16.
  13. ↑ Brainerd, Elizabeth L.; Patek, Sheila N. (1998). "Vertebral Column Morphology, C-Start Curvature, and the Evolution of Mechanical Defenses in Tetraodontiform Fishes". Copeia. 1998 (4): 971–984. doi:10.2307/1447344. ISSN   0045-8511. JSTOR   1447344.
  14. ↑ Itoi, Shiro; Yoshikawa, Saori; Asahina, Kiyoshi; Suzuki, Miwa; Ishizuka, Kento; Takimoto, Narumi; Mitsuoka, Ryoko; Yokoyama, Naoto; Detake, Ayumi; Takayanagi, Chie; Eguchi, Miho; Tatsuno, Ryohei; Kawane, Mitsuo; Kokubo, Shota; Takanashi, Shihori; Miura, Ai; Suitoh, Katsuyoshi; Takatani, Tomohiro; Arakawa, Osamu; Sakakura, Yoshitaka; Sugita, Haruo (2014-02-01). "Larval pufferfish protected by maternal tetrodotoxin". Toxicon. 78: 35–40. doi: 10.1016/j.toxicon.2013.11.003 . hdl: 10069/34069 . ISSN   0041-0101. PMID   24279996.
  15. ↑ "Unterwasserfotos – Ocean-Photo". Ocean-photo.de. Retrieved 2012-09-07.
  16. ↑ "Big poison, little fish". Key West Aquarium, Florida. 2019. Retrieved 21 May 2019.
  17. ↑ Blount, Jonathan D.; Speed, Michael P.; Ruxton, Graeme D.; Stephens, Philip A. (2009). "Warning displays may function as honest signals of toxicity". Proceedings of the Royal Society B. 276 (1658): 871–877. doi:10.1098/rspb.2008.1407. PMC   2664363 . PMID   19019790.
  18. ↑ Nuwer, Rachel (2013-12-30). "Dolphins Seem to Use Toxic Pufferfish to Get High". Smithsonian.com. Retrieved 2019-04-16.
  19. ↑ Heller, Jill (September 21, 2012). "Japan Underwater 'Crop Circles' Mystery Finally Solved". International Business Times. Retrieved September 23, 2012.
  20. ↑ Ahmad Nasir, Ahmad Syafiq (2016). "The first reported artificial propagation of yellow puffer, Xenopterus naritus (Richardson, 1848) from Sarawak, Northwestern Borneo" (PDF). Aquaculture Research. 48 (8): 4582–4589. doi:10.1111/are.13103.
  21. ↑ "Puffer Fish: Fun Facts & Photos of Puffer Fish – (Tetraodontidae)". Our Beautiful Planet. 2017-02-07. Retrieved 2017-03-30.
  22. ↑ Alfaro, Michael E.; Santini, Francesco; Brock, Chad D. (2007). "Do reefs drive diversification in marine teleosts? Evidence from the pufferfish and their allies (Order Tetraodontiformes)". Evolution. 61 (9): 2104–2126. doi:10.1111/j.1558-5646.2007.00182.x. PMID   17915358. S2CID   39231771.
  23. ↑ Santini, Francesco; Tyler, James C. (2003). "A phylogeny of the families of fossil and extant tetraodontiform fishes (Acanthomorpha, Tetraodontiformes), Upper Cretaceous to recent" (PDF). Zoological Journal of the Linnean Society. 139 (4): 565–617. doi: 10.1111/j.1096-3642.2003.00088.x .
  24. ↑ Yong, Y. S.; Quek, L. S.; Lim, E. K.; Ngo, A. (2013-12-04). "A Case Report of Puffer Fish Poisoning in Singapore". Case Reports in Medicine. 2013: 206971. doi: 10.1155/2013/206971 . ISSN   1687-9627. PMC   3867830 . PMID   24368916.
  25. ↑ Lehman, Elizabeth M. (2006). Egg Toxicity and Egg Predation in Rough-Skinned Newts (Doctoral dissertation). Proquest Dissertations and Theses database. UMI No.: 3229594. pp. 32–33.
  26. ↑ Shibamoto, Takayuki; Bjeldanes, Leonard (2009). Introduction to Food Toxicology (2nd ed.). Amsterdam: Academic Press/Elsevier. p. 105. ISBN   978-0-12-374286-5.
  27. ↑ Julie S. Alipala (2012-09-07). "BFAR renews warning vs. eating puffer fish". Philippine Daily Inquirer. Retrieved 2012-09-07.
  28. ↑ Centers for Disease Control Prevention (CDC) (19 April 2002). "Neurologic Illness Associated with Eating Florida Pufferfish, 2002". Morbidity and Mortality Weekly Report. 51 (15): 321–3. PMID   11990235 . Retrieved 30 July 2016.
  29. ↑ "Prohibition on Take of Puffer Fish in Volusia, Brevard, Indian River, St. Lucie, and Martin Counties". Florida Fish and Wildlife Conservation Commission. Archived from the original on August 24, 2016. Retrieved 30 July 2016.

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