Heterodontus omanensis (lat.) Is a species of cartilaginous fish of the genus of bovine sharks of the family of different-toothed sharks . It lives in the western part of the Indian Ocean at a depth of about 72 m. The species is known from 3 specimens caught in the Masira Gulf off the coast of Oman . The maximum recorded length is 61 cm. It is not the subject of commercial fishing. It is not dangerous for humans [1] [2] .
| Heterodontus omanensis | |||||||||||||||||||||||||||||||||||||
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Heterodontus omanensis Baldwin , 2005 | |||||||||||||||||||||||||||||||||||||
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Content
- 1 Taxonomy
- 2 Area of ββdistribution and habitat
- 3 Description
- 4 Biology
- 5 Human interaction
- 6 notes
- 7 References
Taxonomy
The species was first scientifically described in 2005 [3] . The holotype is a female 60 cm long, caught off the coast of Oman ( ) at a depth of 72 m. Paratypes : male and female 56 and 61 cm long caught there [4] .
Habitat and habitat
Heterodontus omanensis live in the western Indian Ocean off the coast of Oman. These demersal fish are found on the continental shelf to a depth of 72 m [1] .
Description
The back and head are covered with 4 dark saddle marks. Dorsal fins small, dark in color with a white distal strip. The pectoral fins are large. They differ from Japanese bull sharks in the number of marks (4 vs. 11-14), the smaller size of the first dorsal fin (9.3-10.9% of the body length versus 11-21%) [3] .
Biology
Propagate by laying eggs. The female lays a single egg enclosed in a capsule with two long antennae [3] .
Human Interaction
Not subject to target fishing. Potentially by- catch . Data to assess the conservation status of the species is not enough [1] .
Notes
- β 1 2 3 Heterodontus omanensis (English) . The IUCN Red List of Threatened Species .
- β Heterodontus omanensis (English) in the FishBase database.
- β 1 2 3 Baldwin ZH A new species of bullhead shark, genus Heterodontus (Heterodontiformes: Heterodontidae), from Oman (English) // Copeia. - 2005. - No. 2 . - P. 262-264.
- β Heterodontus omanensis . shark-references.com. Date of treatment August 27, 2016.
Links
- Species of Heterodontus omanensis (English) in the World Register of Marine Species .