Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal; diepte 3 - 14 m. Tropical; 30°N - 15°S
Northwest Pacific: southern Japan, Taiwan, and Hong Kong.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm ?, range 2 - ? cm
Max length : 7.1 cm TL mannelijk / geslacht onbekend; (Ref. 420); 7.8 cm TL (female)
Dorsale stekels (totaal): 7; Dorsale zachte stralen (totaal): 10-11; Anale stekels 1; Anale zachte stralen: 9 - 10; Wervels: 26. Upper pectoral fin rays entire. Predorsal cycloid scales 10-13; ctenoid on trunk. Body dusky brown with red spots; 4 blue spots on operculum; black line running from eye along sensory pore path to pectoral base; 2 dusky blotches on pectoral base, the uppermost spreading onto fin rays; large inverted `U'-shaped blotch on the cheek. In male, appressed anal fin occasionally reaching caudal fin, appressed dorsal reaching or overlapping caudal fin. Appressed anal and dorsal fins of female ending 2-3 and 1-2 scales, respectively, of caudal fin.
Common in sandy bottoms of shallow waters. Also observed to live solitarily or in small schools near crevices or under stones. Occurs at 21.5 °C (Ref. 4959).
Genital papilla of male terminating to side of anal spine, of female terminating well before origin of anal fin and sometimes it is slightly pigmented.
Murdy, E.O. and D.F. Hoese, 1985. Revision of the gobiid fish genus Istigobius. Indo-Pac. Fish. (4):41 p. (Ref. 420)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Meer informatie
ReferentiesAquacultuurAquacultuurprofielKweeklijnenGeneticaElectrophoresesErfelijkheidZiektesVerwerkingNutrientsMassaconversie
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Estimates based on models
Preferred temperature (Ref.
123201): 24.3 - 28.1, mean 27.4 °C (based on 299 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00477 - 0.02194), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.3 ±0.3 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 455 [217, 1,141] mg/100g; Iron = 1.73 [0.93, 3.44] mg/100g; Protein = 17.6 [15.8, 19.2] %; Omega3 = 0.235 [0.094, 0.480] g/100g; Selenium = 30.1 [14.5, 66.1] μg/100g; VitaminA = 39.3 [10.9, 126.7] μg/100g; Zinc = 2.31 [1.53, 3.52] mg/100g (wet weight);
