6
M.L. Domeier
Fig. 1.2 ( a ) Rays, Taeniura melanospilus , aggregating to mate, Cocos Island, Costa Rica, Pacifi c
(Photo: © Mark Conlin/SeaPics.com). ( b ) Temporary gatherings of fi sh can only be confi rmed as
formed for spawning using clear indicators. An aggregation of king angelfi sh, Holocanthus passer ,
was observed in the Galapagos Islands but no spawning was observed and gonads could not be
collected for inspection. This is important since no pomacanthid (angelfi sh) has been reported as
an aggregation spawner. See text for detail (Photo: © Michael L. Domeier)
M.L. Domeier
Fig. 1.2 ( a ) Rays, Taeniura melanospilus , aggregating to mate, Cocos Island, Costa Rica, Pacifi c
(Photo: © Mark Conlin/SeaPics.com). ( b ) Temporary gatherings of fi sh can only be confi rmed as
formed for spawning using clear indicators. An aggregation of king angelfi sh, Holocanthus passer ,
was observed in the Galapagos Islands but no spawning was observed and gonads could not be
collected for inspection. This is important since no pomacanthid (angelfi sh) has been reported as
an aggregation spawner. See text for detail (Photo: © Michael L. Domeier)