Five-Toothed Swimming Crab

Lupocyclus quinquedentatus

The Five-toothed Swimming Crab is a member of the family Portunidae and is known for its presence in tropical waters of the Indo-Pacific region. This species can be found at depths ranging from 15 to 110 meters, inhabiting sublittoral to deep waters. Divers may encounter this crab on various substrates, as it is adapted to a benthic lifestyle. The Five-toothed Swimming Crab is part of the order Decapoda, which is characterized by its gonochoric nature, meaning individuals are distinctly male or female. The species engages in a precopulatory courtship ritual, using olfactory and tactile cues to facilitate mating. This behavior typically involves indirect sperm transfer, a common trait among decapods. Divers observing this crab may notice its active swimming behavior, as it is well adapted to life on the ocean floor. The conservation status of the Five-toothed Swimming Crab has not been evaluated by the IUCN.