Pi 118 Abudefduf cyaneus
Phylum: Chordata
Class: Teleostei
Order: Ovalentaria incertae
sedis
Family: Pomacentridae
Genus: Abudefduf
Species: Abudefduf
cyaneus
Description
Dorsal
rays XIII, 12-13; Anal rays II, 12-14; pectoral rays 18-19; lateral-line scales
16-19; Gill rakers 17-19; body depth 2.2-2.4 in standard length. Body moderate
to slender. Posterior margin of preopercle smooth. No scales on infraorbitals;
cheek with 2 rows of scales. Body brilliant light-blue. This species exhibits a
marked sexual dichromatism: juveniles and females usually with a small black
spot at the rear base of the dorsal fin and (at least in Micronesia) lack
yellow; males sometimes with a bright yellow snout and tail, latter all orange
in some regions; also lack the black spot.
IUCN Status:
Not evaluated
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