Ключевые слова: animal, anthropod, asymmetric, brackish water, calling crab, chela, claw, combat, courtship, crab, defend, dishonest, ebb, fiddler crab, fish, flow, freshwater crab, funny, ghost crab, guarding, heap, hill, isolated, king, lagoon, major, male, mangrove, marsh, minor, mountain, mud, mud flat, natural, nature, ocypode, ocypodidae, one, oversized, pet, ritualised, salt water, sand, scizzor, sea, signaling, small, tides, uca, war, waving, wild, wildlife,