Family: Gobiidae
Bearded Goby — a Gobiidae from muddy coasts of SE China, peaceful except over a chosen cave. Reaches 10.5–15.4 cm; pairs or small groups with ample hiding spots. 18–26 °C.
Scartelaos histophorus is a Gobiidae from muddy coasts of SE China. In the wild it prefers shallow streams and estuaries over sand; in the aquarium it stays peaceful except over a chosen cave. Plan on 10.5–15.4 cm of adult fish at 18–26 °C. In a community tank it pairs well with Non-goby bottom fish.
Intermediate difficulty. Peaceful except over a chosen cave; pairs or small groups with ample hiding spots.
Hold 18–26 °C and keep it stable — 18–26 °C typical for the family. Stable temperate range.
Adults reach 10.5–15.4 cm; it is bottom-dwelling. Plan for at least 285 litres.
Predatory bottom-picker; offer varied small fare. It forages naturally over fine sand, so let some food reach the bottom.
Peaceful except over a chosen cave. Recommended tankmates: Non-goby bottom fish — Ignore its territorial posturing. Avoid Large aggressive fish — Shatter its sense of cover.
Its home waters are muddy coasts of SE China — shallow streams and estuaries over sand, with still to gentle current.
Low escape risk, but a lid is cheap insurance.
Lays eggs in a sheltered cavity; males fan and guard. Males larger and more colourful.