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This Concept Map, created with IHMC CmapTools, has information related to: Dichotomous Key - Fish, Is it a fish? Yes Does it have an under-slung jaw?, Does it have an under-slung jaw? No Is it a member of the catfish family?, Does it have red fins? Yes Red-tailed Catfish, Does it have an under-slung jaw? Yes Red-bellied Piranha, Is it a member of the catfish family? Yes Does it have red fins?, Does it have red fins? No Plecostomous, Is it a member of the catfish family? No Pacu