Actinopteri (ray-finned fishes) > Gobiiformes
(Gobies) > Gobiidae
(Gobies) > Gobionellinae
Etymology: Rhinogobius: Greek, rhinos = nose + Latin, gobius = gudgeon (Ref. 45335).
This species is synonym of Rhinogobius similis Gill, 1859 according to Suzuki et al., 2015 (Ref. 104791). The species page will be removed.
Environment: milieu / climate zone / depth range / distribution range
Marine; freshwater; brackish; demersal; amphidromous (Ref. 51243). Subtropical; 45°N - 22°N
Asia: China, Korean Peninsula, Taiwan, and Japan (Ref. 559) and Viet Nam (Ref. 44416).
Length at first maturity / Size / Weight / Age
Maturity: Lm 4.7  range ? - ? cm
Max length : 12.1 cm TL male/unsexed; (Ref. 114983); common length : 7.5 cm SL male/unsexed; (Ref. 35840); max. published weight: 14.90 g (Ref. 114983)
Found both upstream and in estuaries. Carnivorous. Spawning season from July to October. Eggs are laid under stones in river shoals. Larvae travel in both river and the sea, and return to rivers from September to November. Caught by small trap nets in rivers, but not in abundance.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Red List Status (Ref. 125652)
Threat to humans
Fisheries: subsistence fisheries
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 17.2 - 26, mean 22.4 °C (based on 245 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00740 - 0.01233), b=3.09 (3.02 - 3.16), in cm total length, based on LWR estimates for this species (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.43 se; based on food items.
Generation time: 1.1 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (14 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .