Threespot grunter

Hephaestus trimaculatus

Fanning oxygen to eggs

Threespot grunter is a freshwater fish of Oceania. The species occupies freshwater habitats. The species reaches a recorded maximum of 22 cm.

Class: Teleosts
Order: Freshwater Sunfishes and Allies
Family: Terapontidae
Genus: Hephaestus
Maximum length: 22 cm
Water: Freshwater
Distribution: Oceania: known only from the vicinity of Port Moresby, Papua New Guinea in the Laloki River and its tributaries including the Brown and Goldie rivers.
Conservation status: VUVulnerable

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