![](http://www.alamy.com/thumbs/6/0A74F2BE-8DA8-4FAB-B919-5C2DD65D87D3/2GN28NB.jpg)
Port Jackson sharks (Heterodontus portusjacksoni), predominantly bottom-dwelling small sharks sometimes found aggregating. They are not dangerous alth
Port Jackson sharks (Heterodontus portusjacksoni), predominantly bottom-dwelling small sharks sometimes found aggregating. They are not dangerous although handlers should be careful of the venomous spines in front of each dorsal fin. Photographed at 45 m with natural light only and fisheye lens. Sydney, New South Wales, Australia
Size: 5223px × 3406px
Photo credit: © Mark Spencer/AUSCAPE / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: animal, animals, auscape, australia, australian, bullhead, cartilaginous, chondrichthyes, crusher, dogshark, fauna, harmless, heterodontidae, heterodontiformes, heterodontus, horn, life, marine, mark, nocturnal, oyster, pigfish, ridge, ridged, sea, shark, sharks, southern, spencer, underwater, wildlife