Family: Eleotridae
Brown Spinecheek Gudgeon — a Eleotridae from southern Chinese coasts and estuaries, peaceful but territorial toward its own kind. Reaches 14.2–20.9 cm; a bonded pair claims one cave; keep others elsewhere. 18–26 °C.
Eleotris fusca, a member of the family Eleotridae, comes from southern Chinese coasts and estuaries, where it inhabits warm freshwater streams and lakes. Peaceful but territorial toward its own kind and small carnivore — live, frozen and fine sinking foods, it grows to 14.2–20.9 cm and adapts well to a properly set-up aquarium in the 18–26 °C range. Other Eleotris species in our database include Eleotris oxycephala, Eleotris acanthopoma, Eleotris melanosoma.
Difficulty: moderate. Peaceful but territorial toward its own kind. A bonded pair claims one cave; keep others elsewhere.
Hold 18–26 °C and keep it stable — 18–26 °C typical for the genus. Stable temperature matching the species origin.
Adults reach 14.2–20.9 cm; it is middle of the water column. Plan for at least 500 litres.
Small carnivore — live, frozen and fine sinking foods. It forages naturally over fine sand and gravel, so let some food reach the bottom.
Peaceful but territorial toward its own kind; a bonded pair claims one cave; keep others elsewhere. Good company: Shrimps in a species setup — A classic pairing for the dedicated. Keep away from Other gobies of the same species without extra caves — Territorial wars over refuges.
Native to southern Chinese coasts and estuaries, where it lives in warm freshwater streams and lakes. Still to gentle current; Moderate oxygen levels.
Jumping is not a known issue; cover the tank anyway during water changes.
Hidden-clutch spawner with paternal care. Subtle external differences.