Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Temperate; 55°N - 42°N, 141°E - 145°E
Asia: Hokkaido, Japan and Sakhalin, Russian Federation.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.0 cm TL male/unsexed; (Ref. 2058)
Adults inhabit weedy streams. Males build, guard and aerate the nest where the eggs are deposited just above the bottom (Ref. 205, 50519).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Males build, guard and aerate the nest where the eggs are deposited (Ref. 205).
Reshetnikov, Y.S., 2003. Atlas of Russian freshwater fishes, Vol. 2. Moscow Nauka. (Ref. 50519)
IUCN Red List Status (Ref. 126983)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion