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Élasmobranches (requins et raies) (sharks and rays) > Heterodontiformes (Bullhead and horn sharks) > Heterodontidae (Bullhead, horn, or Port Jackson sharks)
Etymology: Heterodontus: heteros (Gr.), different; odontos (Gr.), tooth, referring to pointy teeth (for clutching prey) at front of jaws, different than rounded molar-like teeth (for grinding hard-shelled invertebrates) at the back. (See ETYFish); omanensis: -ensis, Latin suffix denoting place: Gulf of Masira, Central Oman, Arabian Sea, type locality. (See ETYFish).

Environment: milieu / climate zone / depth range / distribution range Écologie

marin démersal; profondeur 72 - 80 m (Ref. 106604). Tropical

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Western Indian Ocean: Central Oman.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 56.0 cm TL mâle / non sexé; (Ref. 54826); 61.0 cm TL (female)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Vertèbres: 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).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Baldwin, Z.H., 2005. A new species of bullhead shark, genus Heterodontus (Heterodontiformes: Heterodontidae), from Oman. Copeia 2005(2):262-264. (Ref. 54826)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Données manquantes (DD) ; Date assessed: 09 February 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5059 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00380 (0.00166 - 0.00872), b=3.15 (2.95 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Niveau trophique (Ref. 69278): 3.5 ±0.6 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (44 of 100).

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Heterodontus omanensis Baldwin, 2005