Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Gobiidae
(Gobies) > Gobiinae
Etymology: Bathygobius: Greek, bathys = deep + Latin, gobius = gudgeon (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; brackish; reef-associated; depth range 0 - 20 m (Ref. 48637). Tropical
Indo-Pacific: East Africa to Samoa and the Hawaiian Islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.5 cm TL male/unsexed; (Ref. 11344)
soft rays: 8. Brown with irregular spots; dorsal and caudal fins with bands in females, dusky in males; often with dark brown saddle below each of the dorsal fins (Ref. 2798); characterized further by having upper five pectoral rays with free tips and sixth ray partly free; three branches on upper four pectoral rays; rounded caudal fin; longitudinal scale series 37-38; predorsal scales 18-20, reaching or nearly reaching interorbital space; cheek and opercle without scales; presence of fleshy double flap from edge of cheek into notch at posterior end of upper lip; ctenoid body scales, becoming cycloid on abdomen, breast, base of pectoral fin and nape; depressed head, width greater than depth; depth of body 4.3-5.5 in SL (Ref. 90102).
Inhabits intertidal seaward reef flats (Ref. 37816, 48637). Also found in shallow reefs near shore (Ref. 90102).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Randall, J.E. and M. Goren, 1993. A review of the gobioid fishes of the Maldives. Ichthyol. Bull. J.L.B. Smith Inst. Ichthyol. (58):1-37, 5 pls. (Ref. 9360)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 24.2 - 29.3, mean 28.2 (based on 3609 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278
): 3.4 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (16 of 100) .