Canthigaster tyleri, also known as Tyler's toby, is a species of marine fish in the family Tetraodontidae.
| Canthigaster tyleri | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Tetraodontiformes |
| Family: | Tetraodontidae |
| Genus: | Canthigaster |
| Species: | C. tyleri
|
| Binomial name | |
| Canthigaster tyleri (G. R. Allen & J. E. Randall, 1977 )
| |
Description
editThe Tyler's toby possesses a globular body while being also a bit compressed laterally. It's a small sized fish, reaching 9 cm maximum in length.[2] Its snout is elongated with a small terminal mouth. The background coloration is whitish, the sides are covered with red spots, the back is yellow to green with a network of blue lines from the caudal fin to the tip of the snout.[3] Blue lines are parallel on the top of the snout. A white circle not closed on its top surrounds the eye. The belly is white and fins are translucent.
Etymology
editThe puffer is named in honor of plectognath taxonomist James C. Tyler (b. 1935), who sent Allen and Randall the first specimen of this fish from the Comoro Islands in the Indian Ocean.[4]
Distribution & habitat
editCanthigaster tyleri has a limited distribution in the Indian Ocean, it occurs in all the islands from western Indonesia to Tanzania.[5] It has a preference for reef and lagoons where it can easily hide in holes and crevasses, it has a very secretive behavior. It can be found until 40 m depth.[6]
Biology
editThe Tyler's toby's diet is based on different kind of algae, sponge and other small invertebrates. As many of their congeners belonging to the family of Tetraodontidae, Canthigasters are toxic. Their body would have the capacity to generate from its food a powerful toxin, the tetrodotoxin, and to store it in the skin and certain internal organs like liver and gonads. The tetrodotoxin is a powerful neurotoxic substance which symptoms are serious and can lead, in the worst case, to the death by respiratory paralysis.
References
edit- ^ Shao, K.; Liu, M.; Jing, L.; Hardy, G.; Leis, J.L.; Matsuura, K. (2014). "Canthigaster tyleri". IUCN Red List of Threatened Species. 2014: e.T193820A2282798. doi:10.2305/IUCN.UK.2014-3.RLTS.T193820A2282798.en. Retrieved 5 August 2023.
- ^ Allen, G.R. and R.C. Steene, 1988. Fishes of Christmas Island Indian Ocean. Christmas Island Natural History Association, Christmas Island, Indian Ocean, 6798, Australia. 197 p.
- ^ "Canthigaster tyleri | DORIS".
- ^ Christopher Scharpf & Kenneth J. Lazara (22 September 2018). "Order TETRAODONTIFORMES: Families TRIODONTIDAE, TRIACANTHIDAE, TRIACANTHODIDAE, DIODONTIDAE and TETRAODONTIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 26 January 2022.
- ^ "Canthigaster tyleri, Tyler's toby".
- ^ Lieske, E. and R. Myers, 1994. Collins Pocket Guide. Coral reef fishes. Indo-Pacific & Caribbean including the Red Sea. Harper Collins Publishers, 400 p.
External links
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