Actinopteri (ray-finned fishes) > Gobiiformes
(Gobies) > Gobiidae
(Gobies) > Gobionellinae
Etymology: Rhinogobius: Greek, rhinos = nose + Latin, gobius = gudgeon (Ref. 45335); albimaculatus: Named for the white spots on the cheek of adult male; an adjective..
More on authors: Chen, Kottelat & Miller.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
Asia: Nam San basin in the Mekong basin of Laos.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.9 cm TL male/unsexed; (Ref. 33279)
Morphology | Morphometrics
soft rays: 7;
Vertebrae: 28. Distinguished by the combination of characters: 2nd dorsal fin rays modally I/9; body with 5 or 6 lateral blackish-brown blotches; and male with long filamentous rays in 1st dorsal fin and cheek with about 40 small rounded white spots (Ref. 33279). Anal fin with one simple and 7 branched rays (Ref. 43281).
Inhabits headwaters with relatively fast water, in riffles, among large gravel.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Chen, I.-S., M. Kottelat and P.J. Miller, 1999. Freshwater gobies of the genus Rhinogobius from the Mekong basin in Thailand and Laos, with descriptions of three new species. Zool. Stud. 38(1):19-32. (Ref. 33279)
IUCN Red List Status (Ref. 125652)
Vulnerable (VU) (B1ab(i,ii,iii)+2ab(i,ii,iii)); Date assessed: 11 November 2011
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00456 - 0.02402), b=3.07 (2.88 - 3.26), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .