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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Astrabe: Greek, astabe, -es = regular (Ref. 45335).
Environment: milieu / Klimaatzone / Diepte / distribution range
Ecologie
marien demersaal; diepte 1 - 2 m (Ref. 12703). Temperate
Northwest Pacific: Japan.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 4.8 cm SL mannelijk / geslacht onbekend; (Ref. 12703); 3.5 cm SL (female)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 4; Dorsale zachte stralen (totaal) : 9 - 10; Anale stekels: 1; Anale zachte stralen: 8 - 9; Wervels: 30. This species is distinguished by the following characters: protrusion present on the upper posterior part of dermal fold along the upper margin of eye; longitudinal scales 51-54 (mean 52.7); transverse scales 10-14 (mean 11.7); predorsal scales absent; no scales on belly; scales do not extend to the first dorsal, second dorsal and anal fins; width of scaled area 44.0-66.7% (mean 57.7%) of body depth at origin of anal fin; a narrow white transverse band across base of pectoral fins whose width at median dorsal line is 4.0-8.0% (mean 6.2%) of SL; a white transverse band of similar width across anterior part of first dorsal fin extending to the ventral side of the body; when alive, white markings present on a dark brown ground colour (Ref. 12703).
Body shape (shape guide): elongated; Cross section: oval.
Specimens found under stones of 5 to 30 in diameter (Ref. 12703).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Akihito, P. and K. Meguro, 1988. Two new species of goby of the genus Astrabe from Japan. Jap. J. Ichthyol. 34(4):409-420. (Ref. 12703)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00338 - 0.01553), b=3.05 (2.87 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.3 ±0.5 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).
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