Navigobius asayake Okamoto & Motomura, 2018
Sunrise dartfish

Family:  Microdesmidae (Wormfishes), subfamily: Ptereleotrinae
Max. size:  4.88 cm SL (male/unsexed); 5.21 cm SL (female)
Environment:  reef-associated; marine; depth range 20 - 150 m
Distribution:  Northwest Pacific: Japan.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 18-19; Anal spines: 1-1; Anal soft rays: 19-19; Vertebrae: 26-26. 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).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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