Color Pattern Changes During Growth of Bodianus Pulchellus and B. Rufus (Pisces: Labridae)
Abstract:The two species of Bodianus are described in detail and characters are provided for their separation. B. pulchellus, the spotfin hogfish, is recorded for the first time from Central America northeast of Honduras and from Curaçao; many specimens are reported from the Florida Keys and Bahamas. Principal development of color pattern in B. pulchellus begins with a pure yellow phase which, at a length of approximately 35 mm, rapidly develops a red area on top of head and body followed by another on the lower portion of the body; concurrently, a white stripe appears between the two red areas, and a black smudge on each pectoral fin.
Color changes in B. rufus are not so abrupt. The blue area of the young fish covers the head and anterior half of the body, with a ventral posterior extension. With growth, the yellow pigment on the posterior half of the body displaces the blue area ventrally on the body and then on the head. Finally, the blue area occupies only the upper portion of the head and body and a portion of the dorsal and anal fins. The rest of the fish is yellow.
Document Type: Research Article
Publication date: January 1, 1963
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