Heterodontus japonicus

Maclay & Macleay, 1884

Japanese bullhead shark
Classification: Elasmobranchii Heterodontiformes Heterodontidae

Reference of the original description
Miklouho-Maclay, N. & Macleay, W. (1884)
Plagiostomata of the Pacific. Part II. Proceedings of the Linnean Society of New South Wales, ser. 1, 8(4), 426–431

Image of the original description

Heterodontus japonicus Maclay & Macleay, 1884

Synonyms / new combinations and misspellings
Centracion japonicum, Centracion japonicus, Cestracion japonicus, Cestracion philippi japonicus

Heterodontus japonicus
Holotype: AMS: B.68;
Cestracion philippi japonicus
XXXX: No types known;

Description :

Citation: Heterodontus japonicus Maclay & Macleay, 1884: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 03/2024

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Heterodontus japonicus Maclay & Macleay, 1884 © FAO, www.fish-base.org
Common names
deu \(T\) Japanischer Hornhai, spa Dormilón japonés, fra \(T\) Requin dormeur nekozame, eng Bull-head shark, eng Japanease bullhead shark, eng Japanese bullhead shark, eng Port Jackson shark

Northwest Pacific: off Japan, Korean Republic, northern China including Taiwan Island. Source: www.gbif.org

Human uses
fisheries: minor commercial; price category: not marketed/unknown; price reliability:

Oviparous. Eggs are laid in rocks or in kelp at depths of about 8 or 9 m and are present from March through September. Eggs are more abundant, however, in March and April. Eggs are hatched in about a year; size at hatching is about 18 cm. There may be a `nest"quot; for several females laying eggs but this is not a true nest. A female lays two eggs at a time, for 6 to 12 spawnings. Found on the continental shelf, more commonly on rocky and kelp-covered bottom. Feeds on crustaceans, molluscs (including top shells), small fishes and sea urchins[17641]

Size / Weight / Age
120 cm TL (male/unsexed; [518])

demersal; marine; depth range 6 - 37 m [518]

shark-references Species-ID=2775;

Parasites (arranged by Jürgen Pollerspöck)
  • Dissonus nudiventris Kabata, 1965 [16540]

  • Thaumastognathia bicorniger Ota, Kurashima & Horie, 2022 [30445]