Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Gobiiformes
(Gobies) > Gobiidae
(Gobies) > Gobiinae
Etymology: Obliquogobius: Latin, obliquus = having slating direction or position + Latin, gobius = gudgeon (Ref. 45335); yamadai: Named for Umeyoshi Yamada, for his great contribution to our knowledge of fishes in the East China Sea.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 99 - 165 m (Ref. 75138). Temperate
Northwest Pacific: East China Sea and Japan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.2 cm SL male/unsexed; (Ref. 75138); 5.3 cm SL (female)
Morphology | Morphometrics
soft rays: 9;
Vertebrae: 26. This species is distinct from its congeners in having the following characters: second dorsal-fin rays I, 9-10 (almost always I, 9); anal-fin rays I, 9-10 (almost always I, 9); scaled cheek and pectoral-fin base; asymmetrical caudal fin, with fifth or sixth segmented ray slightly elongate and longest; head length (HL), 28.8-33.5% of SL; eye diameter 32.7-37.3% HL, 9.6-12.3% of SL; grayish body with about 7 narrow, transverse yellow bars (pale in preservation); absence of distinct black-and-white barred pattern on caudal fin (Ref. 75138).
It has been suggested that some specimens were possibly captured from sandy or sandy-mud bottoms in the center and/or western parts of Tosa Bay at the depths of 30-100 m (Ref. 75138).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Shibukawa, K. and Y. Aonuma, 2007. Three new species of the deep-dwelling goby genus Obliquogobius (Perciformes: Gobiidae: Gobinnae) from Japan, with comments on the limits of the genus. Bull. Natl. Mus. Nat. Sci., Ser. A, Suppl. 1:137-152. (Ref. 75138)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00274 - 0.02524), b=3.07 (2.82 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.3 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.).
Vulnerability (Ref. 59153
): Low vulnerability (12 of 100) .