Actinopteri (ray-finned fishes) > Gobiiformes
(Gobies) > Gobiidae
(Gobies) > Gobiinae
Etymology: Amblygobius: Greek, amblys = darkness + Latin gobius = gudgeon (Ref. 45335). More on author: Herre.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range - 15 m (Ref. 48637), usually - 4 m (Ref. 90102). Tropical; 0°C -
Western Pacific: southern Philippines to Java, Indonesia. Palau in Micronesia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.5 cm SL male/unsexed; (Ref. 48637)
(total): 6 - 7;
soft rays: 13. Characterized by presence of three grey to reddish stripes on upper two-thirds of body, interspersed with irregular red marking; lower side of body with five diffuse dark grey blotches; dark brown spot at caudal fin base; first and second dorsal fin equal in height; rounded caudal fin; longitudinal scale series 55-60; predorsal scales 22-25; scales dorsally on opercle, none on cheek; ctenoid body scales; cycloid scales on nape, abdomen and opercle; depth of body 4.5 in SL (Ref. 90102).
Found in silty inner tidal flats near mangroves and among seagrasses, usually hovering a little above the bottom (Ref. 34765). Feeds on small invertebrates and organic matter (Ref. 34765).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Myers, R.F., 1999. Micronesian reef fishes. A comprehensive guide to the coral reef fishes of Micronesia. Coral Graphics, Barrigada, Guam. 216 p. (Ref. 34765)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 28.7 - 29.5, mean 29 °C (based on 602 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00475 - 0.02204), b=3.03 (2.85 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 2.7 ±0.24 se; based on food items.
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (19 of 100) .
Nutrients (Ref. 124155
): Calcium = 140 [71, 287] mg/100g ; Iron = 0.929 [0.520, 1.633] mg/100g ; Protein = 18.3 [16.5, 20.0] % ; Omega3 = 0.156 [0.075, 0.272] g/100g ; Selenium = 24.5 [12.0, 47.1] μg/100g ; VitaminA = 99.2 [27.5, 318.5] μg/100g ; Zinc = 2.1 [1.3, 3.3] mg/100g (wet weight);