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Tryssogobius sarah Allen & Erdmann, 2012 Sarah's fairygoby |
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photo by
Allen, G.R. |
Family: | Gobiidae (Gobies), subfamily: Gobiinae | |||
Max. size: | 2.17 cm SL (female) | |||
Environment: | reef-associated; marine; depth range 50 - 75 m | |||
Distribution: | Western Pacific: Indonesia, Papua New Guinea, Palau and Ryukyu Islands. | |||
Diagnosis: | Dorsal spines (total): 6-7; Dorsal soft rays (total): 10-10; Anal spines: 1-1; Anal soft rays: 11-11; Vertebrae: 26-26. Characterized by pearly grey to whitish head and body; yellowish first dorsal fin except thin blue anterior margin and broad blue zone basally with yellow stripe; bluish second dorsal fin with pair of yellow strips; translucent caudal fin with blue-edged yellow band across upper and lower lobe; bluish anal fin with midlateral yellow stripe ending at acute posterior tip of fin; white pelvic fins with bluish posterior tip; dorsal rays VI+I,10; anal rays I,11; pectoral rays 17-18; cheeks with single row of scales; depth of body at level of pelvic fins 4.6-5.1 in SL; relatively narrow first dorsal fin, pointed at tip; pelvic fins reaching slightly beyond origin of anal fin, tip pointed; scales in longitudinal scale series 24-26; transverse scale rows 7-8; median predorsal scales 6, progressively larger anteriorly; body scales ctenoid to below posterior part of first dorsal fin, cycloid anteriorly; gill rakers 3-4+10-14; vertebrae 26 (Ref. 90102). | |||
Biology: | Occurs in areas exposed to relatively strong currents (Ref. 90102). | |||
IUCN Red List Status: | Least Concern (LC); Date assessed: 12 March 2015 Ref. (130435) | |||
Threat to humans: | harmless |