Amur Goby Care Guide
Rhinogobius brunneus · Freshwater Fish
What Amur Goby look like
The Amur Goby (Rhinogobius brunneus) exhibits a robust, laterally compressed body structure, typically reaching a maximum adult size of 3 to 12 inches. This species displays notable sexual dimorphism, particularly during the breeding season when males develop vibrant orange-red coloration on their cheeks and the first dorsal fin, contrasting with the more subdued brownish hues of the females. The overall coloration is characterized by a brownish base adorned with darker mottled patterns, providing effective camouflage against the substrate. A distinctive morphological feature is the fused pelvic fins, which form a sucker-like disc, enabling the fish to adhere to rocky surfaces in its benthic habitat. Additionally, the presence of a lateral line system aids in detecting vibrations in the water, while the dentition is adapted for a carnivorous diet, featuring small, sharp teeth suitable for grasping prey.
Behavior & temperament
The Amur Goby is primarily a benthic dweller, often found in shallow freshwater environments such as streams and rivers in East Asia. It exhibits a solitary to semi-social behavior, with individuals frequently occupying territories within their preferred habitats. This species is not an obligate schooler but may be seen in loose aggregations, particularly during breeding periods. Breeding behavior involves the male establishing a territory and attracting females, where the female scatters eggs in crevices or on hard substrates, a behavior typical of egg scatterers. The Amur Goby is generally characterized by a mild temperament, though males can exhibit territorial aggression during the breeding season.
Diet & feeding
In the wild, the Amur Goby is a carnivore, primarily feeding on small invertebrates and zooplankton. In captivity, it requires a varied diet rich in protein, including high-quality pellets, frozen or live foods such as brine shrimp and bloodworms to meet its nutritional needs.
Behind the name
Rhinogobius (from Greek 'rhino' meaning nose and 'gobius' meaning goby); brunneus (from Latin meaning brown).
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Amur Goby?
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