see text Grunters or tigerperches are ray-finned fishes in the family Terapontidae (also spelled Teraponidae, Theraponidae or Therapontidae).

[4] The Terapontidae is a large family of small to medium-sized perciform fishes which occur in marine, brackish and fresh waters in the Indo-Pacific region.

They are characterised by a single long-based dorsal fin which has a notch marking the boundary between the spiny and soft-rayed portions.

They have small to moderate-sized scales, a continuous lateral line reaching the caudal fin, and most species lack teeth on the roof of the mouth.

In Australia and New Guinea there are a number of species restricted to fresh water.