Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Gobiidae
(Gobies) > Gobiinae
Etymology: Istigobius: Greek, istios = sail + Latin, gobius = gudgeon (Ref. 45335). More on author: Bleeker.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range ? - 10 m (Ref. 86942). Tropical; 25°N - 30°S
Western Pacific: Philippines to Fiji, north to Taiwan, south to northwestern Australia and southern Queensland. Recently recorded from Tonga (Ref. 53797).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.0 cm SL male/unsexed; (Ref. 48637); 4.7 cm TL (female)
soft rays: 9 - 10;
Vertebrae: 26. Upper pectoral fin rays entire. Nape with as many as 30 dark spots. A prominent diagonal, black line from posterior part of upper jaw to operculum. 4 broad, dark bands on abdomen; 2nd dorsal fin with 3-4 rows of black spots; pectoral fin clear, base with 2 small dusky spots. Predorsal cycloid scales 7-9, trunk ctenoid. In male, anal fin when appressed reaching almost the caudal fin; appressed 2nd dorsal fin overlapping caudal. Anal and 2nd dorsal fins of female when appressed reaching to within a distance of 2-3 scales of caudal fin (Ref. 420); longitudinal scale series 30-32; depth of body 4.9-5.6 in SL (Ref. 90102).
Found in sandy areas with both living coral and coral rubble, and from both moderately clear and turbid water (Ref. 48637).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Genital papilla of male slightly pigmented, ending to side of anal spine. Female genital papilla truncate, ending well before origin of anal fin (Ref. 420).
Murdy, E.O. and D.F. Hoese, 1985. Revision of the gobiid fish genus Istigobius. Indo-Pac. Fish. (4):41 p. (Ref. 420)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00540 - 0.01471), b=3.08 (2.94 - 3.22), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic Level (Ref. 69278
): 3.3 ±0.3 se; Based on size and trophs of closest relatives
Generation time: 0.9 ( na - na) years. Estimated as median LN(3)/K based on 2 growth studies.
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (11 of 100) .