Decapoda - Brachyura - Portunidae - Atoportunus
Japan (Kume-Jima Island, Ryukyu archipelago). Also Mayotte (this database).
Environnement : Marine - Substrat/Association : Hard bottom (rock and rubbles)
Vertical range : Shallow-waters (0-100 m) - Min-Max observed: 30-80 m
Atoportunus dolichopus - Barathieu et al. submitted to WIOJMS, 2019: Mayotte, det. J. Poupin, 2018 from in situ photograph only (in cave). Photo by Olivier Konieczny, transmitted by B. Thomassin November 2018. In marine cave, entrance at a depth of 50 m, length of cave 130 m (max depth in cave 80 m). The crab was 120 m from the entrance, approximately 70 m depth, in total darknes (details kindly transmitted by Gabriel Barathieu, December 2018) (Mesophotic). Additional close-up photos by G. Barathieu.
Comment(s) on data
Short note submitted to WIOJMS (2019) - Barathieu, G., Konieczny, O., Poupin, J. - The cavernicolous swimming crab Atoportunus dolichopus Takeda, 2003 reported for the first time in the Western Indian Ocean during technical dives in the mesophotic zone (Crustacea, Decapoda, Portunidae).
References : PDF list, 214 pp (1.4 Mo)
This species in Worms Database