Heterodontus omanensis Baldwin, 2005
Oman bullhead shark
Heterodontus omanensis
photo by Khan, M.M.

 Family:  Heterodontidae (Bullhead, horn, or Port Jackson sharks)
 Max. size:  56 cm TL (male/unsexed); 61 cm TL (female)
 Environment:  demersal; depth range 72 - 80 m
 Distribution:  Western Indian Ocean: Central Oman.
 Diagnosis:  Vertebrae: 98-98. Diagnosis: Four dark saddles, more or less equally distributed along the head and body. Relatively small, dark pigmented dorsal fins, each with a white distal streak. Large pectoral fins. Unique egg case, with 2 long tendrils extending from its base and flanges with 2 turns. This species differs from H. japonicus in having 4 dark saddles (vs. 11-14); a smaller first-dorsal fin (9.3-10.9% TL vs. 11-21% TL); an egg case of 2 turns (vs. 3), bearing extremely long tendrils (vs. short) (Ref. 54826).
 Biology: 
 IUCN Red List Status: Data deficient  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Capuli, Estelita Emily - 14.09.05

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