Figure 4: Top panel: Interspecific variation in fluorescent emission pattern (from top: lateral, ventral, and dorsal views) in two congeneric and sympatric members of the lizardfish genus Synodus. A, S. synodus. B, S. saurus. Bottom panel: Interspecific variation in coloration and pigmentation pattern under white light (top: lateral; bottom: dorsal) in same two congeneric and sympatric members of the lizardfish genus Synodus. A, S. synodus. B, S. saurus.