Eviota shimadai Greenfield & Randall, 2010
Shimadai's dwarfgoby
Eviota shimadai
photo by Randall, J.E.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  1.56 cm SL (male/unsexed); 1.51 cm SL (female)
Environment:  reef-associated; depth range 0 - 29 m
Distribution:  Western Pacific: Japan, Palau and Indonesia.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 8-9; Anal spines: 1-1; Anal soft rays: 7-8. This species is distinguished from its congeners by the following set of characters: dorsal/anal fin-ray formula usually 8/8, sometimes 8/7 or 9/8; pectoral fin rays 16-17 (usually 16), all unbranched; cephalic sensory-pore system pattern IV (lacking pores PITO and IT, AITO enlarged, engulfing the PITO); fifth segmented pelvic-fin ray variable, absent to 18% of fourth ray; non-fimbriate genital papilla; filamentous first dorsal fin (second spine 67.2% SL in holotype); branches on fourth pelvic-fin ray 2-3, 2-3 segments between branches; body with no distinct large dark marks; side of body with scattered internal melanophores, under pectoral fin and on side of head; presence of silver bar across central part of pectoral-fin base when alive (Ref. 83982); characterized further by semi translucent body with irregular, internal reddish midlateral stripe; presence of rows of small reddish spots along dorsal midline; usually with several narrow reddish bars above base of anal fin; longitudinal scale series 23-24; sctenoid scales, absent on head, nape and base of pectoral fin; depth of body 4.3-5.0 in SL (Ref. 90102).
Biology:  Inhabits sheltered reefs in 3-20 (Ref 90102).
IUCN Red List Status: Least Concern (LC); Date assessed: 09 March 2015 Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Capuli, Estelita Emily - 20.04.10

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