Norbert Wu / Remora (Remora remora) trio, top of the head is modified with plates to stick onto animals, Bahamas, Caribbean

Piotr Naskrecki / Spiny Spider (Micrathena obtusospina) hanging from silk tread, Dominican Republic

Piotr Naskrecki / Spinybacked Orb-weaver Spider (Gasteracantha cancriformis) their abdomen, or opisthosoma, is heavily sclerotized and armed with hard spines possibly to protect against birds and lizards, Dominican Rep...

Piotr Naskrecki / Blue Land Crab (Cardisoma guanhumi) male, sporting giant claws used in territorial combat, Dominican Republic

Piotr Naskrecki / Atlantic Marsh Fiddler (Uca pugnax) males have one larger front claw which they use to attract females, Dominican Republic

Norbert Wu / Flying Gurnard (Dactylopterus volitans) unfolds large wings to confuse and threaten predators, Saba Island, Netherlands Antilles, Caribbean

Piotr Naskrecki / Atlantic Marsh Fiddler (Uca pugnax) males have one larger front claw and which they use to attract females, Dominican Republic