Notes on Selected
AQUATIC ANIMALS
OF YUCATAN'S COASTAL WETLANDS (except fish & mollusks)

 SHORTCUTS TO IMPORTANT GROUPS OF AQUATIC ANIMALS: 
  BARNACLES | CRABS | POLYCHAETES | VERTEBRATES 
ARTHROPODS:

VERTEBRATES:

MISC. INERTEBRATES:

IDENTIFY SPONGES at http://www.spongeguide.org
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consistency and morphology