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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); galeatus: Latin for helmeted, probably referring to high, enlarged supraorbital ridges or crest. (See ETYFish).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
laut berasosiasi dengan karang; kisaran kedalaman 0 - 93 m (Ref. 54545). Temperate; 27°S - 35°S, 150°E - 155°E
Western Pacific: eastern Australia.
Length at first maturity / Size / Weight / umur
Maturity: Lm ?, range 70 - ? cm
Max length : 152 cm TL jantan/; (Ref. 247); common length : 122 cm TL jantan/; (Ref. 247); Umur maksimum dilaporkan: 12 Tahun (Ref. 72467)
Duri punggung (Keseluruhan (total)): 2; duri punggung lunak (Keseluruhan (total)): 0; Duri dubur 0; Sirip dubur lunak: 0. Body with broad blackish bands or saddle markings (Ref. 9838).
A moderately common benthic and epibenthic shark found on the continental shelf (Ref. 247, 43278). Occurs from close inshore to about 93 m depth (Ref. 247, 43278). Feeds primarily on sea urchins, but also on crustaceans, mollusks, and small fishes (Ref. 31369). Oviparous, egg cases spirally flanged and with long tendrils (Ref. 6871). Hatches at about 22 cm (Ref. 6871).
Oviparous, paired eggs are laid. Embryos feed solely on yolk (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)
ancaman kepada manusia
Traumatogenic
penggunaan manusia
Perikanan: nilai komersial kecil
informasi lanjut
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Alat, peralatan
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