Actinopteri (ray-finned fishes) > Gobiiformes
(Gobies) > Gobiidae
(Gobies) > Gobiinae
Etymology: Istigobius: Greek, istios = sail + Latin, gobius = gudgeon (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 5 - 7 m, usually 5 - 7 m (Ref. 27115). Subtropical; 22°C - 27°C (Ref. 27115); 30°S - 37°S
Southwest Pacific: in bays near Sydney, New South Wales, Australia. One specimen tentatively identified as this species was collected from Guadalcanal, Solomon Islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.0 cm TL male/unsexed; (Ref. 420); 6.6 cm TL (female)
soft rays: 9 - 10;
Vertebrae: 26. Body grayish white. Upper pectoral fin rays entire. Predorsal cycloid scales 8-12; ctenoid on trunk. Head greenish brown with faint yellow-orange band diagonally on preoperculum and operculum with some black areas on the former; lateral part of jaws, especially upper, black. Males usually darker than females; length of anal, pelvic and 2nd dorsal fins longer in males.
Collected from silty sand near large rocks.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Male genital papilla usually ending to side of anal. Female genital papilla truncate and ending well before the origin of anal fin.
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. 123251)
CITES (Ref. 123416)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 20.2 - 21.8, mean 21.2 °C (based on 9 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00454 - 0.02011), b=3.05 (2.88 - 3.22), 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) .
Nutrients (Ref. 124155
): Calcium = 360 [150, 814] mg/100g ; Iron = 2.04 [1.08, 4.00] mg/100g ; Protein = 18.5 [16.7, 20.2] % ; Omega3 = 0.45 [0.22, 0.83] g/100g ; Selenium = 20.9 [9.0, 46.2] μg/100g ; VitaminA = 20.1 [5.9, 65.3] μg/100g ; Zinc = 1.49 [0.90, 2.47] mg/100g (wet weight);