Canthigaster smithae Allen & Randall, 1977
Bicolored toby
Canthigaster smithae
photo by Randall, J.E.

Family:  Tetraodontidae (Puffers), subfamily: Canthigasterinae
Max. size:  13 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 20 - 40 m
Distribution:  Western Indian Ocean: Agalega Islands, Mauritius to Durban, South Africa. Also Maldives (Ref. 9710).
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 9-10; Anal spines: 0-0; Anal soft rays: 9-9. Caudal peduncle and sides behind pectoral fins covered with dark dots; dark lines around eye; sometimes with a dark stripe on midventral line of belly; fins translucent with dark-edged rays; upper and lower edge of caudal fin dark (Ref. 4919). Description: Characterized further by dark to medium brown on upper head and back and white below; faint brown to yellowish stripe from chin to lower tail base; yellowish rim around the eye; blue bands radiating from eye; caudal fins with dark brown upper and lower margins; depth of body at origin of anal fin 2.7-3.1 in SL; head length 2.1-2.5 in SL; snout length 1.5-1.9 in head length; caudal peduncle depth 2.3-3.5 in head length; slightly rounded caudal fin (Ref. 90102).
Biology:  Inhabits outer reef slopes (Ref. 9710). Solitary (Ref. 90102). Found on clear inner reefs, often on slopes near bases of steep walls with mixed rubble and boulders in depths of about 30 meters (Ref. 48637).
IUCN Red List Status: Least Concern (LC); Date assessed: 08 June 2011 Ref. (130435)
Threat to humans:  harmless


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