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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); mexicanus: -anus (L.), belonging to: Mexico, referring to its distribution in the Gulf of California along the Mexican coast to at least Oaxaca (and perhaps to Peru) (See ETYFish).
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut dasar (demersal); kisaran kedalaman 0 - 50 m (Ref. 54547). Tropical; 31°N - 18°S, 115°W - 80°W
Eastern Pacific: Mexico and from Costa Rica to Colombia, probably Ecuador and Peru (Ref. 43278)
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 170 cm TL jantan/; (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.
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Oviparous (Ref. 50449). Distinct pairing with embrace (Ref. 205).
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)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Traumatogenic
penggunaan manusia
Perikanan: perikanan swasembada
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 82804) |
PD50 = 0.5029 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00372 (0.00160 - 0.00864), b=3.15 (2.94 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
4.2 ±0.73 se; based on food items. |
Daya lenting (Acuan 120179) |
Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (Fec assumed to be <100). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Very high vulnerability (82 of 100). 🛈 |
kategori harga (Ref. 80766) |
Unknown.
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