Family Finder

This simple interactive Fish Family Finder will help identify most families of fishes found in Australia’s marine and freshwaters. Just work your way through the key by choosing the illustration or image that most closely resembles the feature or body form of the fish you are identifying.

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first dorsal fin modified as a suction disk on top of the head dorsal fin preceded by one or more rays or spines unconnected by membranes small rayless adipose fin behind dorsal fin dorsal and caudal fins united, body tapering to a point single long dorsal fin without deep notch, not connected to caudal fin two dorsal fins separated by a distinct space single dorsal fin of short to medium length single elongate dorsal fin with deep notch or two dorsal fins not separated by a space