519
12 Species Case Studies
biology of ocean surgeonfi sh and blue tang. They were found to spawn in both
aggregations and as pairs. Although ripe doctorfi sh were found near the study area
and some gonad data obtained, they were never seen to spawn. Colin and Clavijo
( 1988 ) and Colin ( 1985 ) provided some information on these aggregations, but did
Fig. 12.56 Colour patterns (differential shading) in courting Atlantic surgeonfi shes: ( a ) pairspawning male ocean surgeonfi sh, ( b ) pair-spawning male blue tang, ( c ) group spawning blue tang
(males and females?) (Photo: Patrick L. Colin)
12 Species Case Studies
biology of ocean surgeonfi sh and blue tang. They were found to spawn in both
aggregations and as pairs. Although ripe doctorfi sh were found near the study area
and some gonad data obtained, they were never seen to spawn. Colin and Clavijo
( 1988 ) and Colin ( 1985 ) provided some information on these aggregations, but did
Fig. 12.56 Colour patterns (differential shading) in courting Atlantic surgeonfi shes: ( a ) pairspawning male ocean surgeonfi sh, ( b ) pair-spawning male blue tang, ( c ) group spawning blue tang
(males and females?) (Photo: Patrick L. Colin)