Triakis
Genus of sharks
Triakis Temporal range: Paleocene–present[1] PreꞒ Ꞓ O S D C P T J K Pg N | |
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Leopard shark (Triakis semifasciata) | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Chondrichthyes |
Subclass: | Elasmobranchii |
Subdivision: | Selachimorpha |
Order: | Carcharhiniformes |
Family: | Triakidae |
Genus: | Triakis J. P. Müller & Henle, 1838 |
Type species | |
Triakis scyllium J. P. Müller & Henle, 1839 |
Triakis is a genus of houndsharks in the family Triakidae.[2] The name comes from the Ancient Greek word τρι- (tri-) meaning 'three', and the Latin word acis meaning 'sharp' or 'pointed', in reference to their three-pointed teeth.
Species
Image | Scientific name | Common name | Distribution |
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T. acutipinna Kato, 1968 | sharpfin houndshark | coastal waters of Ecuador | |
T. maculata Kner & Steindachner, 1867 | spotted houndshark | eastern Pacific Ocean off the coast of South America | |
![]() | T. megalopterus A. Smith, 1839 | sharptooth houndshark | shallow inshore waters from southern Angola to South Africa. |
![]() | T. scyllium J. P. Müller & Henle, 1839 | banded houndshark | northwestern Pacific Ocean from the southern Russian Far East to Taiwan |
![]() | T. semifasciata Girard, 1855 | leopard shark | Pacific coast of North America, from the U.S. state of Oregon to Mazatlán in Mexico |
See also
References
- ^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Chondrichthyes entry)". Bulletins of American Paleontology. 364: 560. Archived from the original on 2011-09-30. Retrieved 2008-01-09.
- ^ Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Triakis". FishBase. February 2011 version.
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Extant houndshark species
- Kingdom Animalia
- Phylum Chordata
- Class Chondrichthyes
- Subclass Elasmobranchii
- Subdivision Selachii
- Order Carcharhiniformes
- Whiskery shark (F. macki)
- School shark (G. galeus)
- Sailback houndshark (G. filewoodi)
- Deepwater sicklefin houndshark (H. abdita)
- Ocellate topeshark (H. complicofasciata)
- Sicklefin houndshark (H. falcata)
- Indonesian houndshark (H. indroyonoi)
- Japanese topeshark (H. japanica)
- Whitefin topeshark (H. leucoperiptera)
- Blacktip tope (H. hyugaensis)
- Longnose houndshark (I. garricki)
- Bigeye houndshark (I. omanensis)
- Lowfin houndshark (Iago sp. A)
(Smooth-hounds)
- M. albipinnis
- Gummy shark (M. antarcticus)
- Starry smooth-hound (M. asterias)
- Gray smooth-hound (M. californicus)
- Dusky smooth-hound (M. canis)
- Sharptooth smooth-hound (M. dorsalis)
- Striped smooth-hound (M. fasciatus)
- Spotless smooth-hound (M. griseus)
- Brown smooth-hound (M. henlei)
- Smalleye smooth-hound (M. higmani)
- Spotted estuary smooth-hound (M. lenticulatus)
- Sicklefin smooth-hound (M. lunulatus)
- Starspotted smooth-hound (M. manazo)
- Speckled smooth-hound (M. mento)
- M. minicanis
- Arabian smooth-hound (M. mosis)
- Common smooth-hound (M. mustelus)
- Narrowfin smooth-hound (M. norrisi)
- Whitespotted smooth-hound (M. palumbes)
- Blackspotted smooth-hound (M. punctulatus)
- Australian grey smooth-hound (M. ravidus)
- Narrownose smooth-hound (M. schmitti)
- Gulf smooth-hound (M. sinusmexicanus)
- Humpback smooth-hound (M. whitneyi)
- White-fin smooth-hound (M. widodoi)
- Flapnose houndshark (S. quecketti)
- Sharpfin houndshark (T. acutipinna)
- Spotted houndshark (T. maculata)
- Sharptooth houndshark (T. megalopterus)
- Banded houndshark (T. scyllium)
- Leopard shark (T. semifasciata)
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