Family: Gobiidae
A semi-aggressive carnivore gobiidae from Japan — moderate care.
Rhinogobius flumineus, a member of the family Gobiidae, comes from Japan, where it inhabits clear streams, rivers and still waters. Semi-aggressive and carnivore; quality prepared foods with variety; regular frozen or live foods, it grows to 4.9–7 cm and adapts well to a properly set-up aquarium in the 18–26 °C range. Other Rhinogobius species in our database include Rhinogobius brunneus, Rhinogobius cliffordpopei, Rhinogobius giurinus.
Intermediate difficulty. Semi-aggressive; solitary, pairs or small groups.
Aim for 18–26 °C. Standard heater to hold the mid-range steadily; community-standard range; verify locally.
Full size is 4.9–7 cm. Minimum tank: 70 L, with open swimming space along its bottom; rests and forages low habits.
Carnivore; quality prepared foods with variety; regular frozen or live foods. Vary the menu — quality flakes or pellets plus frozen or live foods.
Semi-aggressive; solitary, pairs or small groups. Good company: Amur False Gudgeon — Similar size and water needs, China-Bitterling — Similar size and water needs, Acanthorhodeus chankaensis — Similar size and water needs. Keep away from Large aggressive cichlids — Bullying and injury risk, Known fin nippers — Constant stress and fin damage.
Comes from Japan: clear streams, rivers and still waters. Expect strong current with heavy aeration and demands high dissolved oxygen.
In the aquarium: spawning; condition with rich foods and simulate seasonal changes. Males are typically slimmer and more intensely colored; females fuller-bodied.