Image: Second dorsal fin of a Port Jackson Shark

Second dorsal fin of a Port Jackson Shark

The posterior (back) dorsal fin of a Port Jackson Shark from the Australian Museum Fish Collection.

Photographer:
Paul Ovenden
Rights:
© Australian Museum

Last Updated:

Tags ichthyology, Port Jackson Shark, Heterodontus portusjacksoni, Heterodontidae, fishes, fin, spine,