Scientific Name
Sargocentron iota
Common Name
Dwarf squirrelfish
Biology
Dorsal
spines
(total): 11;
Dorsal
soft rays
(total): 12-14;
Anal
spines: 4;
Anal
soft rays: 9;
Vertebrae: 27. Body red with a very narrow darker red stripe separating longitudinal scale rows; spinous part of dorsal fin red; mottled faintly with white, the outer part of each membrane deeper red; remaining fins with red rays and clear membranes. 4-5 oblique rows of scales on cheek. Body depth 2.3-2.6 in SL; head length 2.5-2.6 in SL. Rounded anterior end of nasal bone; moderately large and spineless nasal fossa; surface of nasal bone between fossa and edge of premaxillary groove with a prominent retrorse spine; median edge of nasal bone (margin of premaxillary groove) with a small recumbent retrorse spine; longest dorsal spine 2.05-2.75 in head length; third anal spine 1.5-1.6 in head length; broadly rounded caudal fin lobes (Ref. 27370). Strongly serrated scales (Ref. 37816).