Long-spine porcupinefish

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Long-spine porcupinefish
Pez erizo de espinas largas (Diodon holocanthus), islas Ad Dimaniyat, Oman, 2024-08-13, DD 45.jpg
Diodon holocanthus at the Audubon Aquarium
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Tetraodontiformes
Family: Diodontidae
Genus: Diodon
Species:
D. holocanthus
Binomial name
Diodon holocanthus
Linnaeus, 1758
Long-spine porcupinefish.png
Distribution of the long-spine porcupinefish

The long-spine porcupinefish (Diodon holocanthus), also known as the freckled porcupinefish, porcupine puffer, and porcupine pufferfish, is a species of marine fish in the family Diodontidae. [2]

Contents

Description

Diodon holocanthus SI.jpg
Diodon holocanthus X-ray.jpg
Conventional and X-ray images of Diodon holocanthus

The long-spine porcupinefish is pale in color with large black blotches and smaller black spots; these spots becoming fewer in number with age. It has many long, two-rooted depressible spines particularly on its head. The teeth of the two jaws are fused into a parrot-like "beak". Adults may reach 50 cm (20 in) in length. [3] The only other fish with which it might be confused is the black-blotched porcupinefish (Diodon liturosus), but it has much longer spines than that species. [4]

Diet

The long-spine porcupine fish is an omnivore that feeds on mollusks, sea urchins, hermit crabs, snails, and crabs during its active phase at night. [5] They use their beak combined with plates on the roof of their mouths to crush their prey such as mollusks and sea urchins that would otherwise be indigestible. [6] [7]

Distribution

The long-spine porcupinefish has a circumtropical distribution, being found in the tropical zones of major seas and oceans:

Habitat

Diodon holocanthus hiding within a reef in Oman Pez erizo de espinas largas (Diodon holocanthus), islas Ad Dimaniyat, Oman, 2024-08-14, DD 63.jpg
Diodon holocanthus hiding within a reef in Oman

They are found over the muddy sea bottom, in estuaries, in lagoons or on coral and rocky reefs around the world in tropical and subtropical seas. [9]

Spawning

Young Diodon holocanthus in an aquarium Pez Globo (4167038557).jpg
Young Diodon holocanthus in an aquarium

Spawns at the surface at dawn or at dusk in pairs or in groups of males with a single female; the juveniles remain pelagic until they are at least 7 cm (3 in) long. [3] Young and sub-adult fish sometimes occur in groups.

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References

  1. Leis, J.L., Matsuura, K., Shao, K.-T., Hardy, G., Zapfe, G., Liu, M., Jing, L., Tyler, J. & Robertson, R. (2015). Diodon holocanthus. The IUCN Red List of Threatened Species doi:10.2305/IUCN.UK.2015-4.RLTS.T193817A2282138.en
  2. "Common Names List – Diodon holocanthus". FishBase . Retrieved 7 September 2014.
  3. 1 2 Lieske, E. and Myers, R.F. (2004) Coral reef guide; Red Sea London, HarperCollins ISBN   0-00-715986-2
  4. "Black-blotched porcupinefish: Diodon liturosus Shaw, 1804". Australian Museum. Retrieved 2013-12-15.
  5. Leis, J.M., 2001. Diodontidae. Porcupine fishes (burrfishes). p. 3958–3965. In K.E. Carpenter and V. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Vol. 6. Bony fishes part 4 (Labridae to Latimeriidae), estuarine crocodiles. FAO, Rome.
  6. "Porcupinefishes". Australian museum. Retrieved 2013-12-15.
  7. Tristan Lougher (2006). What Fish?: A Buyer's Guide to Marine Fish. Interpet Publishing. ISBN   978-1-84286-118-9.
  8. Froese, Rainer; Pauly, Daniel (eds.). "Diodon holocanthus". FishBase . June 2007 version.
  9. Kuiter, R.H. and T. Tonozuka, (2001). Pictorial guide to Indonesian reef fishes. Part 3. Jawfishes – Sunfishes, Opistognathidae – Molidae. Zoonetics, Australia. pp. 623–893.