File:Squatina_australis.jpg · Wikimedia Commons · See Wikimedia Commons
Squatina
Sign in to savethumb|Angelsharks, off the coast of Fuerteventura Angel sharks are sharks belonging to the genus Squatina. They are the only living members of the family Squatinidae and order Squatiniformes. They commonly inhabit sandy seabeds close to in depth.
Species
カスザメ属
GENUS
- KingdomAnimalia
- PhylumChordata
- ClassElasmobranchii
- OrderSquatiniformes
- FamilySquatinidae
Squatina Duméril , 1806 : 102, 342. Type Squalus squatina Linneaus 1758 , by subsequent designation. Rhina Rafinesque 1810 : 4. Type Squalus squatina Linneaus 1758 , type by monotypy. Definition. Broad, flattened body with large bat-like pectoral fins. Mouth terminal, broadly arched with ornate nasal flaps and highly protrusible jaws. Spiracles large, without valves. Pectoral fins not fused to head, origin opposite gill openings. Anterior extent of pectorals triangular and covering gill openings. Five pairs of gill openings positioned between pectoral origin and base of the head. Trunk compressed dorsal-ventrally. Two dorsal fins, spineless, originating behind pelvic fin insertion on the precaudal. Anal fin absent. Furrow on ventral from dorsal origin to caudal peduncle. Caudal fin hypocercal. Total length, depending on species, generally between 1-2 m.
via GBIF
Wikidata facts
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- Squatina japonica2.jpg
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- Squatina
- taxon name
- Squatina
- start time
- 163500000-
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Article
13 sectionsContents
- Appearance and biology
- Species analysis
- Habitat
- Behavior
- Commercial value
- Conservation
- Evolution
- Species
- Extant species
- Extinct species
- See also
- References
- Further reading
thumb|Angelsharks, off the coast of Fuerteventura Angel sharks are sharks belonging to the genus Squatina. They are the only living members of the family Squatinidae and order Squatiniformes. They commonly inhabit sandy seabeds close to in depth.
Squatina and other Squatiniformes differ from other sharks in having flattened bodies and broad pectoral fins that give them a strong resemblance to rays. They occur worldwide in temperate and tropical seas. Most species inhabit shallow temperate or tropical seas, but a few species inhabit deeper water, down to . Angel sharks are sometimes called monkfish, although this name is also applied to members of the genus Lophius.