Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas demersal; intervalo de profundidade 3 - 14 m. Tropical; 30°N - 15°S
Northwest Pacific: southern Japan, Taiwan, and Hong Kong.
Length at first maturity / Tamanho / Peso / Idade
Maturity: Lm ?, range 2 - ? cm
Max length : 7.1 cm TL macho/indeterminado; (Ref. 420); 7.8 cm TL (female)
Espinhos dorsais (total) : 7; Raios dorsais moles (total) : 10 - 11; Espinhos anais: 1; Raios anais moles: 9 - 10; Vértebras: 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)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Preferred temperature (Ref.
123201): 24.3 - 28.1, mean 27.4 °C (based on 299 cells).
Phylogenetic diversity index (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).
Nível Trófico (Ref.
69278): 3.3 ±0.3 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (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);
