Family: Gobiidae
Olive Goby — a Gobiidae from Indo-Pacific, calm bottom resident with clear territory boundaries. Reaches 37.5–55 cm; singly or in pairs; every fish needs its own refuge. 18–26 °C.
Glossogobius olivaceus is a Gobiidae from Indo-Pacific. In the wild it prefers shallow streams and estuaries over sand; in the aquarium it stays calm bottom resident with clear territory boundaries. Plan on 37.5–55 cm of adult fish at 18–26 °C. Related profiles: Glossogobius giuris.
A moderate-level species: calm bottom resident with clear territory boundaries; stable water matters more than fancy equipment.
Aim for 18–26 °C. Stable temperate range; 18–26 °C typical for the genus.
Expect 37.5–55 cm as an adult, living bottom-dwelling. A 500 L tank or larger gives it room.
Meaty foods; train onto frozen then pellets. It forages naturally over fine sand, so let some food reach the bottom.
Calm bottom resident with clear territory boundaries; singly or in pairs; every fish needs its own refuge. 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.
Its home waters are Indo-Pacific — shallow streams and estuaries over sand, with still to gentle current.
Jumping is not a known issue; cover the tank anyway during water changes.
In the aquarium: cave or crevice spawner; the male guards the eggs. Males larger and more colourful.