Family: Gobiidae
Dusky Mud Hopper — a Gobiidae from muddy coasts of SE China, calm bottom resident with clear territory boundaries. Reaches 11.5–16.8 cm; singly or in pairs; every fish needs its own refuge. 18–26 °C.
A Gobiidae species native to muddy coasts of SE China: Periophthalmus modestus lives bottom-dwelling over sand. Calm bottom resident with clear territory boundaries. Adults reach 11.5–16.8 cm. In a community tank it pairs well with Non-goby bottom fish.
Intermediate difficulty. Calm bottom resident with clear territory boundaries; singly or in pairs; every fish needs its own refuge.
Aim for 18–26 °C. Stable temperate range; 18–26 °C typical for the family.
Expect 11.5–16.8 cm as an adult, living bottom-dwelling. A 339 L tank or larger gives it room.
Meaty foods; train onto frozen then pellets. Vary the menu — quality flakes or pellets plus frozen or live foods.
Calm bottom resident with clear territory boundaries. Recommended tankmates: Non-goby bottom fish — Ignore its territorial posturing. Avoid Large aggressive fish — Shatter its sense of cover.
Native to muddy coasts of SE China, where it lives in shallow streams and estuaries over sand. Still to gentle current; Moderate.
Low escape risk, but a lid is cheap insurance.
In the aquarium: cave or crevice spawner; the male guards the eggs. Males larger and more colourful.