Bluespotted cornetfish | |
---|---|
Fistularia commersonii from Maldives | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | Syngnathiformes |
Family: | Fistulariidae |
Genus: | Fistularia |
Species: | F. commersonii |
Binomial name | |
Fistularia commersonii | |
Synonyms [3] | |
Fistularia depressaGünther, 1880 |
The bluespotted cornetfish (Fistularia commersonii), also known as smooth cornetfish or smooth flutemouth, is a marine fish which belongs to the family Fistulariidae. This very long and slender reef-dweller belongs to the same order as the pipefishes and seahorses, called Syngnathiformes. [4]
It is widespread in the tropical and subtropical waters of the Indo-Pacific as far north as Japan and east to the west coasts of the Americas, [1] including Panama [5] and Mexico's Sea of Cortez [6] and the Red Sea. [3] In 2000, its presence was reported in the Mediterranean Sea off Israel. In the past twenty years, this species experienced a population explosion in the Levantine Sea and a rapid spread westward, reaching the westernmost sectors of the Mediterranean [7] and as far north as the Gulf of Lions by 2007. [8] [9] At this point, it has been recorded in all Mediterranean sub-basins and is now very common in the eastern part. [10] F. commersonii is now considered an invasive species in the Mediterranean Sea because of its rapid development to reproductive stage and its detrimental effect on native fish populations. [11] Scientists have determined that the fish in the Mediterranean are all descended from a small number of ancestors, possibly as a result of a single invasion event, and are not as genetically variable as their conspecifics in the Red Sea. [8]
The bluespotted cornetfish grows to a length of 1.6 m (5.2 ft), but the average is around 1 metre (3 ft 3 in). [3] It is notable for its unusually long, slender body shape. [12] It has a tubular snout, large eyes and a long tail filament lined with sensory pores which may help with detecting prey. Its body is tinted blue-grey to greenish-grey [6] with two thin blue stripes or lines of dots on the back and lighter on the front. [3] Its body pattern changes to a broad banded pattern at night. [12]
The bluespotted cornetfish is usually a solitary predator, stalking and feeding on small fishes, crustaceans, and squid. [3] Sometimes, they feed in small groups along the bottom on small, bottom-dwelling fish which their long snouts are very efficient at sucking up. These fish are adept at feeding on young fish that live in thickets of seagrass meadows ( Posidonia oceanica ), which can significantly reduce the ability of native fish populations to survive to reproductive adulthood. [13] They can also hover or swim in small schools just below the surface. [6] Reproduction is oviparous. [3] The large eggs hatch and develop outside of the body. Larvae hatch at 6–7 mm (0.24–0.28 in).
Bacteria living in the mucus on the skin of the bluespotted cornetfish may allow it to glide more easily through salt water. [14]
Research on the parasites that live in bluespotted cornetfish reveals that parasites continue to thrive in its host even as it colonises non-native locations. This contradicts the prevailing theory, called enemy release hypothesis, that parasites would not be able to survive in hosts as they encounter new marine territory. [15] The presence of introduced parasites affects not only Fistularia commersonii, but also other fish and marine animals in their native habitats.
The fish is of minor importance commercially, mostly being sold as fish meal but also fresh and preserved. [12] It is also sold as an aquarium fish.
The specific name honours the French botanist Philibert Commerson (1727-1773). [16]
The flying gurnards are a family, Dactylopteridae, of marine fish notable for their greatly enlarged pectoral fins. As they cannot literally fly or glide in the air, an alternative name preferred by some authors is helmet gurnards. They have been regarded as the only family in the suborder Dactylopteroidei of the Scorpaeniformes but more recent molecular classifications put them in the order Syngnathiformes, in the superfamily Centriscoidea.
Philibert Commerson, sometimes spelled Commerçon by contemporaries, was a French naturalist, best known for accompanying Louis Antoine de Bougainville on his voyage of circumnavigation in 1766–1769.
The round goby is a euryhaline bottom-dwelling species of fish of the family Gobiidae. It is native to Central Eurasia, including the Black Sea and the Caspian Sea. Round gobies have established large non-native populations in the Baltic Sea, several major Eurasian rivers, and the North American Great Lakes.
The cornetfishes or flutemouths are a small family, the Fistulariidae, of extremely elongated fishes in the order Syngnathiformes. The family consists of a single genus, Fistularia, with four species, found worldwide in tropical and subtropical marine environments.
Fistularia tabacaria, the cornetfish, blue-spotted cornetfish, tobacco trumpetfish or unarmed trumpetfish, is a species of cornetfish found along the Atlantic coasts of the Americas and in the central Atlantic off West Africa and the Macaronesian Islands. This species is of minor importance in commercial fisheries.
The Lessepsian migration is the migration of marine species along the Suez Canal, usually from the Red Sea to the Mediterranean Sea, and more rarely in the opposite direction. When the canal was completed in 1869, fish, crustaceans, mollusks, and other marine animals and plants were exposed to an artificial passage between the two naturally separate bodies of water, and cross-contamination was made possible between formerly isolated ecosystems. The phenomenon is still occurring today. It is named after Ferdinand de Lesseps, the French diplomat in charge of the canal's construction.
The red cornetfish, also known as the rough flutemouth, is a cornetfish of the family Fistulariidae, found in subtropical and tropical oceans worldwide, at depths between 10 m (33 ft) and 200 metres (660 ft). They are up to 2 m (6.6 ft) in length but rarely exceed 1 m (3.3 ft).
The bluespotted ribbontail ray is a species of stingray in the family Dasyatidae. Found from the intertidal zone to a depth of 30 m (100 ft), this species is common throughout the tropical Indian and western Pacific Oceans in nearshore, coral reef-associated habitats. It is a fairly small ray, not exceeding 35 cm (14 in) in width, with a mostly smooth, oval pectoral fin disc, large protruding eyes, and a relatively short and thick tail with a deep fin fold underneath. It can be easily identified by its striking color pattern of many electric blue spots on a yellowish background, with a pair of blue stripes on the tail.
The yellowtail barracuda is one of the smaller species of barracuda of the family Sphyraenidae, which can be found in Indo-West Pacific oceans. It has also invaded the Mediterranean through the Suez Canal from the Red Sea, making it one of the Lessepsian migrants.
Pterois miles, the devil firefish or common lionfish, is a species of ray-finned fish native to the western Indo-Pacific region. It is frequently confused with its close relative, the red lionfish. The scientific name is from Greek pteron, meaning "wing", and Latin miles, meaning "soldier".
The blacktail butterflyfish, also known as black-tailed butterflyfish or exquisite butterflyfish, is a species marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. It is native to the western Indian Ocean but has reached the Mediterranean Sea as a Lessepsian migrant through the Suez Canal.
Cephalopholis taeniops, the African hind, bluespotted sea bass or spotted grouper, is a species of marine ray-finned fish, a grouper from the subfamily Epinephelinae which is in the family Serranidae which also includes the anthias and sea basses. This species occasionally makes its way into the aquarium trade and is a target for local fisheries. It is found in the eastern Atlantic Ocean.
Tetrosomus gibbosus, commonly called camel cowfish because of the hump on its dorsal keel, is one of 22 species in the boxfish family, Ostraciidae. It is a ray finned fish. Other common names include helmet cowfish, humpback turretfish and thornbacked boxfish. It is most closely related to T. reipublicae, the smallspine turretfish. T. gibbosus is a species of boxfish found in the wide Indo-West Pacific. It has been recorded since 1988 on rare occasions in the Levantine waters of the Mediterranean Sea, likely following entry via the Suez Canal. It is the first species from the family Ostraciidae to be found in the Mediterranean Sea.
The common stingray is a species of stingray in the family Dasyatidae, found in the northeastern Atlantic Ocean and the Mediterranean and Black Seas. It typically inhabits sandy or muddy habitats in coastal waters shallower than 60 m (200 ft), often burying itself in sediment. Usually measuring 45 cm (18 in) across, the common stingray has a diamond-shaped pectoral fin disc slightly wider than long, and a whip-like tail with upper and lower fin folds. It can be identified by its plain coloration and mostly smooth skin, except for a row of tubercles along the midline of the back in the largest individuals.
Pterois is a genus of venomous marine fish, commonly known as lionfish, native to the Indo-Pacific. It is characterized by conspicuous warning coloration with red or black bands, and ostentatious dorsal fins tipped with venomous spines. Pterois radiata, Pterois volitans, and Pterois miles are the most commonly studied species in the genus. Pterois species are popular aquarium fish. P. volitans and P. miles are recent and significant invasive species in the west Atlantic, Caribbean Sea and Mediterranean Sea.
The dusky spinefoot, also known as the squaretail rabbitfish, is a species of marine ray-finned fish, a rabbitfish belonging to the family Siganidae. It is native to the western Indian Ocean which has spread to the Mediterranean Sea through the Suez Canal. Its fin spines contain venom. It is regarded as a food fish.
Tylosurus choram, the Red Sea houndfish, is a species of needlefish from the family Belonidae. A marine fish bluish in color with a long slender body, and a pointed long toothed beak, found in most temperate, warm seas, and sometimes rivers, it is found in abundance in the Red Sea. It is a fast predator swimming in small schools near the water surface. Like other species of needlefish this species is oviparous, laying eggs which attach themselves to objects in the water by means of filaments which cover the outer layer of the egg. Tylosurus choram is found in the Red Sea and in coastal waters around the Arabian Peninsula to the Gulf of Oman. It has been reported twice, forty years apart, in the Mediterranean Sea off Israel. This species was described as Belone choram by Eduard Rüppell in 1837 with the type locality given as the Red Sea, the specific name choram is Arabic for needlefish.
Sphyraena chrysotaenia, the yellowstripe barracuda, is a species of predatory, ray finned fish from the family Sphyraenidae which is found in the Indo-West Pacific region. It has entered the Mediterranean Sea from the Red Sea through the Suez Canal as a Lessepesian migrant and is now an important species in the fisheries of the eastern Mediterranean.
Cheilodipterus novemstriatus, the Indian Ocean twospot cardinalfish, is a species of ray-finned fish from the Indian Ocean, which is a member of the family Apogonidae. It has colonised the eastern Mediterranean Sea by way of the Suez Canal since 2011.
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