Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Gobiidae
(Gobies) > Gobionellinae
Etymology: Rhinogobius: Greek, rhinos = nose + Latin, gobius = gudgeon (Ref. 45335); ogasawaraensis: The specific name, ogasawaraensis, refers to the type locality "Ogasawara Group", Japan (Ref. 88999).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Tropical
Asia: Japan. Known only and possibly merely endemic from Anijima Island, Chichijima Island, Hahajima Island and Otoutojima Island, the Bonin Islands (Ogasawara group), Japan (Ref. 88999).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.5 cm SL male/unsexed; (Ref. 88999)
Morphology | Morphometrics
Rhinogobius ogasawaraensis is distinguished from all congeneric species by the following unique combination of features: second dorsal fin rays I, 8-9, pectoral fin rays 18-20, predorsal scales 7-16, vertebral count 26, cheek with some red spots, nape with several longitudinal dark stripes, upper part of pectoral fin base with a dark blotch, intermittent dark dotted rows along middle axis of body, no saddle shaped patch of dark dots on dorsal side of body, ventral side of body yellowish white, caudal fin with some dark dotted rows on middle region and the base with a pair of dark brown bars which vertically to each other (Ref. 88999).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Suzuki, T., I-S. Chen and H. Senou, 2012. A new species of Rhinogobius Gill, 1859 (Teleostei: Gobiidae) from the Bonin Islands, Japan. Journal of Marine Science and Technology 19(6):693-701. (Ref. 88999)
IUCN Red List Status (Ref. 120744)
Vulnerable (VU) (B1ab(i,ii,iii)+2ab(i,ii,iii)); Date assessed: 02 March 2018
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass 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=0.00851 (0.00385 - 0.01883), b=3.08 (2.89 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.3 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (14 of 100) .