Drysdale grunter

Syncomistes rastellus

Grazing filamentous algae on rocks

Tropical
Coastal
Local endemic species
Transcontinental
Freshwater fish
Oceania
Medium
Tropical fish

The Drysdale grunter (Syncomistes rastellus) is a species of ray-finned fish in the family Terapontidae. It is endemic to Australia, where it occurs in the Gibb and Drysdale Rivers, coastal rivers in northern Western Australia. It is a herbivorous species which grazes on filamentous algae and prefers the main river channels rather than the tributaries, it also prefers flowing water of varying turbidity and substrate.

Class: Teleosts
Order: Freshwater Sunfishes and Allies
Family: Terapontidae
Genus: Syncomistes
Maximum length: 15 cm
Water: Freshwater
Distribution: Oceania: Endemic, known from the northern coastal drainages, western Australia; Gibb and Drysdale Rivers.

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