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Elasmobranchi (squali e razze) (sharks and rays) > Heterodontiformes (Bullhead and horn sharks) > Heterodontidae (Bullhead, horn, or Port Jackson sharks)
Etymology: Heterodontus: Greek, heteros = other + Greek, odous = teeth (Ref. 45335).

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

; marino demersale; distribuzione batimetrica 0 - 50 m (Ref. 54547). Tropical; 31°N - 18°S, 115°W - 80°W

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

Eastern Pacific: Mexico and from Costa Rica to Colombia, probably Ecuador and Peru (Ref. 43278)

Size / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 170 cm TL maschio/sesso non determinato; (Ref. 96339)

Found on littoral continental waters, on rocky and sandy areas from close inshore down to at least 20 m depth. Reported to reach 165 cm (Ref. 37955). Feeds on crabs and demersal fishes including midshipman (Porichthtys) (Ref. 43278). Oviparous (Ref. 37955). Utilized as fishmeal.

Life cycle and mating behavior Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

Oviparous (Ref. 50449). Distinct pairing with embrace (Ref. 205).

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)

IUCN Red List Status (Ref. 123251)

Data deficient (DD) ; Date assessed: 31 January 2006

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Traumatogenic

Human uses

Pesca: pesca di sussistenza

FAO(pesca: species profile; publication : search) | FishSource |

Informazioni ulteriori

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Ecosystems
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Age/Size
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Morfometria
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Estimates based on models

Preferred temperature (Ref. 115969): 20.6 - 26.9, mean 23.2 °C (based on 30 cells).

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5059 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00372 (0.00160 - 0.00860), b=3.15 (2.95 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.2 ±0.73 se; based on food items.

Resilienza (Ref. 120179): Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (Fec assumed to be <100).

Vulnerability (Ref. 59153): Very high vulnerability (82 of 100) .

Price category (Ref. 80766): Unknown.

Heterodontus mexicanus Taylor & Castro-Aguirre, 1972