How do you say “fiddler crab” in Vietnamese?

Vietnamese words for “fiddler crab”

• cáyListennoun
  Hanoi [kaj˧˦] · Saigon [ka(ː)j˦˥]cáy rising

  fiddler crab; mangrove crab

  for “fiddler crab” meaning: Any of the various species of crab of the family Ocypodidae, of which the male crabs have a major claw significantly larger than their minor claw.

• còngListennoun
  Hanoi [kawŋ͡m˨˩] · Saigon [kawŋ͡m˨˩]còng falling

  handcuffs

  for “fiddler crab” meaning: Any of the various species of crab of the family Ocypodidae, of which the male crabs have a major claw significantly larger than their minor claw.