Animal Species:Freckled Porcupinefish, Diodon holocanthus Linnaeus, 1758
The Freckled Porcupinefish occurs in tropical and warm temperate marine waters. It has long spines on the head and body. There are small dark spots on the body and large blotches above the eyes, on the dorsal fin base and above the pectoral fins.
Standard Common Name
Fine-spotted Porcupinefish, Long-spined Porcupine Fish.
The Freckled Porcupinefish has long moveable spines on the head and body. It is covered with small dark spots. There are large dusky to light brown blotches (reddish in upper image) above the eyes, on the dorsal fin base and above the pectoral fins.
The species grows to about 35 cm in length.
The Freckled Porcupinefish occurs worldwide. In Australia it is known from south-western Western Australia, around the tropical north of the country and on the east coast south to southern New South Wales.
The map below shows the Australian distribution of the species based on public sightings and specimens in Australian Museums. Click on the map for detailed information. Source: Atlas of Living Australia.
Distribution by collection data
The Freckled Porcupinefish occurs in coastal, coral reef and estuarine waters.
- Allen, G.R. 1997. Marine Fishes of Tropical Australia and South-east Asia. Western Australian Museum. Pp. 292.
- Hutchins, B. & R. Swainston. 1986. Sea Fishes of Southern Australia. Complete Field Guide for Anglers and Divers. Swainston Publishing. Pp. 180.
- Kuiter, R.H. 1996. Guide to Sea Fishes of Australia. New Holland. Pp. 433.
- Kuiter, R.H. 2000. Coastal Fishes of South-eastern Australia. Gary Allen. Pp. 437.
- Randall, J.E., Allen, G.R. & R.C. Steene. 1997. Fishes of the Great Barrier Reef and Coral Sea. Crawford House Press. Pp. 251.
Mark McGrouther , Senior Fellow