Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Gobiidae
(Gobies) > Gobionellinae
Etymology: Gnatholepis: Greek, gnathos = jaw + Greek,lepis = scale (Ref. 45335).
Environment / Climate / Range
Marine; brackish; reef-associated; depth range 2 - 50 m (Ref. 90102), usually 2 - 20 m (Ref. 27115). Tropical; 30°N - 28°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.0 cm SL male/unsexed; (Ref. 48637)
soft rays: 11. Distinguished by the following characteristics: moderate-sized (up to 56 mm SL) with wide range in live colour pattern; ctenoid body scales usually reaching rear corner of opercle, occasionally ctenoid scales reaching to above rear preopercular margin; nape midline scales always cycloid, distinct flap present at end of lower lip; when alive, colour variable: body translucent white with five to seven rows of small variably coloured (dull orange, brown, red-brown to blackish) spots and/or thin lines and about six indistinct diffuse orange-brown to purple-brown blotches along midside; narrow vertical black mark on top of each eye, marks may join each other across interorbital space, and narrow black vertical line crossing cheek below eye; small dark mark of variable shape (often W-shaped) above pectoral fin base, with small yellow spot in centre; second dorsal and anal fin rays usually I,11; pectoral rays 12-18, modally 16; lateral scales 24-30, modally 27; 7-12 predorsal scales (modally 9) (Ref. 92171).
Indo-Pacific: widespread from South Africa to Pitcairn I.; in the Pacific north to Miyake-jima, Japan, south to Sydney Harbour, Australia; in the Indian Ocean north to Djibouti (Gulf of Tadjourah) and south to Aliwal Shoal, Kwa-Zulu Natal.
A common species that occurs in sheltered sandy areas from reef flats to seaward reefs; over sandy bottoms near pieces of rubble, rock, or coral (live or dead) (Ref. 9710, 48637, 92171). Solitary or in small groups (Ref. 90102).
Larson, H.K. and D.J. Buckle, 2012. A revision of the goby genus Gnatholepis Bleeker (Teleostei, Gobiidae, Gobionellinae), with description of a new species. Zootaxa 3529:1-69.
IUCN Red List Status (Ref. 90363)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00428 - 0.02132), b=3.07 (2.88 - 3.26), based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic Level (Ref. 69278
): 2.4 ±0.1 se; Based on diet studies.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (18 of 100) .