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Gobiiformes (Gobies) >
Microdesmidae (Wormfishes) > Ptereleotrinae
Etymology: Navigobius: Name from Latin ' navi' meaning to float or swim, an allusion to the swimming habits of the species; asayake: Name from a Japanese noun meaning 'sunrise colors', referring to the reddish coloration of the species.
Environment: milieu / Klimaatzone / Diepte / distribution range
Ecologie
marien rifbewoner; diepte 20 - 150 m (Ref. 129621). Temperate
Northwest Pacific: Japan.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 4.9 cm SL mannelijk / geslacht onbekend; (Ref. 129621); 5.2 cm SL (female)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 7; Dorsale zachte stralen (totaal) : 18 - 19; Anale stekels: 1; Anale zachte stralen: 19; Wervels: 26. This species is distinguished by the following set of characters: D2 I,18-19; A I,19; pectoral-fin rays 21-22; gill rakers 5-6 + 13-15; head length 25.1-26.4% SL; eye diameter 8.6-10.0% SL; pelvic-fin length 15.2-16.1% SL. Colouration: yellow stripe extending from behind upper part of eye to beneath first dorsal fin (Ref. 129621).
Cross section: oval.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Okamoto, M. and H. Motomura, 2018. Navigobius asayake, a new species of ptereleotrine goby (Gobioidei: Microdesmidae) from Kagoshima, southern Japan. Zootaxa 4526(3):373-380. (Ref. 129621)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)
Gevaar voor de mens
Harmless
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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