Family: Gobiidae
Chameleon goby — a Gobiidae from Japan, calm bottom resident with clear territory boundaries. Reaches 8.2–12.1 cm; singly or in pairs; every fish needs its own refuge. 5.6–16.4 °C.
Tridentiger trigonocephalus, a member of the family Gobiidae, comes from Japan, where it inhabits shallow streams and estuaries over sand. Calm bottom resident with clear territory boundaries and meaty foods; train onto frozen then pellets, it grows to 8.2–12.1 cm and adapts well to a properly set-up aquarium in the 5.6–16.4 °C range. Other Tridentiger species in our database include Tridentiger barbatus, Tridentiger bifasciatus.
A moderate-level species: calm bottom resident with clear territory boundaries; stable water matters more than fancy equipment.
Hold 5.6–16.4 °C and keep it stable — 5.6–16.4 °C narrowed from occurrence records. Stable temperate range.
Full size is 8.2–12.1 cm. Minimum tank: 176 L, with open swimming space along its bottom-dwelling habits.
Meaty foods; train onto frozen then pellets. Vary the menu — quality flakes or pellets plus frozen or live foods.
Yes, with care. Calm bottom resident with clear territory boundaries — pair it with Shrimps in a species setup — A classic pairing for the dedicated and skip Other gobies of the same species without extra caves — Territorial wars over refuges.
Its home waters are Japan — 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.