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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: atrinasa: Named for the jet black anterior nasal tubes ('ater' = jet black; 'nasus' = nose); noun in apposition.
Eponymy: Susan Lee Jewett (formerly Susan J Karnella) (d: 1945). (Also see Jewett & Susan (Jewett)). In the genus’ name, ‘Sue’ is attached to Eviota, a related genus. (Ref. 128868), visit book page.
More on authors: Winterbottom & Hoese.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 18 - 20 m (Ref. 39927). Tropical
Indo-West Pacific.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.0 cm SL male/unsexed; (Ref. 39927)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 8. Second dorsal fin with 1 spine and 9 soft rays; second dorsal spines filamentous in males. Anterior nasal tube elongate, 10-15% HL, black except at extreme base. An oblique black spot behind orbit, followed by 2 black vertical bars on each side of the nape. Presence of an anterior and, usually, a posterior interorbital pore; a postocular and an infraorbital pore; preopercular pores absent (Ref. 39927); characterized further by longitudinal scale series 24; ctenoid scales on body except cycloid near midline of abdomen and anterolaterally behind lower pectoral fin base; scaleless head, nape, pectoral fin base and breast; depth of body 4.3 in SL (Ref. 90102).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Inhabits reef crevices 10-30 m (Ref. 90102).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Winterbottom, R. and D.F. Hoese, 1998. A new genus and four new species of fishes from the Indo-West Pacific (Pisces; Perciformes; Gobiidae), with comments on relationships. R. Ont. Mus. Life Sci. Occas. Pap. (37):1-17. (Ref. 39927)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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