Halichoeres cyanocephalus reaches 32 cm. Largest Caribbean Halichoeres. Spectacular terminal males with yellow-green body with distinctive electric blue head (hence cyanocephalus), black band on flanks. Females more discreet yellow-brown. Protogynous hermaphrodite. Lives from 15 to 90 m on deep coral reefs of Caribbean. Rarer and deeper than cousins. Predator of small invertebrates. Sought-after photo subject at depths of technical diving.
