Japanese Bullhead Shark, <i>Heterodontus japonicus</i> Click to enlarge image
A Japanese Bullhead Shark in an aquarium at the Tokyo Metropolitan Central Wholesale Market: Tsukiji Market. Image: Mark McGrouther
© Australian Museum

Fast Facts

  • Classification
    Species
    japonicus
    Genus
    Heterodontus
    Family
    Heterodontidae
    Order
    Heterodontiformes
    Class
    Chondrichthyes
    Subphylum
    Vertebrata
    Phylum
    Chordata
    Kingdom
    Animalia

Introduction

The Japanese Bullhead Shark can be recognised by its pattern of broad saddles or bars on the body.



Identification

The Japanese Bullhead Shark can be recognised by its pattern of broad saddles or bars on the body. The related Zebra Horn Shark, Heterodontus zebra has narrower dark bars on a very pale body. The Zebra Horn Shark has been recorded from Japan, Korea, China, Vietnam, Indonesia and the north-west shelf of Western Australia.

Habitat

The species occurs in shallow marine waters.

Distribution

It has been recorded from Japan, Korea, China and Taiwan.


Economic impacts

The Japanese Bullhead Shark in the image was photographed in an aquarium at the Tokyo Metropolitan Central Wholesale Market: Tsukiji Market. Thank you to Dr K. Matsuura and Dr K. Sakamoto for confirming the identification of this species and for their generous assistance at the Tsukiji Market.

References

  1. 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: viii, 1-250.