Decapoda - Anomura - Chirostylidae - Chirostylus

Chirostylus dolichopus Ortmann, 1892



World Distribution
(Baba et al., 2008, Catalog, Zootaxa) - IWP, Somali, Mozambique channel, Mauritius, Japan, Sulu, Timor Sea - Shallow water to 238 m

Environnement : Marine - Substrat/Association : Associated with corals (obligate)

Vertical range : Shallow to deep-waters (e.g. 10-190 m) - Min-Max observed: 10-238 m

Mayotte data
Chirostylus aff. dolichopus - Poupin et al., 2022, Naturae, MNHN, https://doi.org/10.5852/naturae2022a8 : 145. - Mayotte, outer slope, 70-100 m, photo Gabriel Barathieu, November 2018, tentative det. J. Poupin from photo only, not C. dolichopus, probably a new species.
Chirostylus aff. dolichopus - Poupin, 2022 - Determination of mesophotic Crustacea (70-90 m) around Mayotte collected during MESOMAY3 (11/12-2021), photos only, at
http://poupin.joseph.free.fr/pdf/Poupin-2022-crustaces-mesophotiques-Mayotte-Mesomay3-2021.pdf

KWD - Mesophotic, Undetermined, First for Mayotte, Associated coral, Spnov

Chirostylus dolichopus - Mayotte, outer slope, 120 m, specimen captured in a trap, 09-04-2023-DBE, CRUMMA, coll. & photo G. Barathieu [Date : 09/04/2023 / Lat/long : Station 1 CORCOMA : 12°52.964’ S - 45°16.557’E / Profondeur : 120 m
Plongeur : Thomas Gautier / Gabriel BARATHIEU / Type de casier : Nasse a écrevisse de commerce]. Two specimens (Lc 4.0 and Lc 5.4 mm) sent to J. Poupin (2023). Transmitted by Poupin, in June 2024 to Keiji Baba, Professor Emeritus, c/o Prof. Tsutomu Tanabe, Kumamoto University, Faculty of Education, 2-40-1 Kurokami, Kumamoto 860-8555, Japan, for the description of a new species, in prep.

Réunion data
Chirostylus dolichopus - MNHN collection record, MNHN-IU-2009-558, det. K. Schnabel, MD32 Réunion, 08/09/1982, st. CP172, 105-120 m, 20° 51' 47.9988'' S ; 55° 37' 41.9988'' E .
Chirostylus dolichopus sensu lato - Poupin, 2021, Rapport Scientifique Ecole Navale : 15, Réunion program MESORUN, det. J. Poupin, 1 mâle Lc 3,1 mm, largeur postéro carapace 2,5 mm, échantillon 170c, 13 janvier 2021, Saint Leu, 21.16904 S / 55.27030 E, 97 m, substrat dur colonisé éponges, hydraires — Sans spécimen, photo seulement, échantillon 159, 5 janvier 2021, Sainte Rose, 21.11783 S / 55.78518 E, 93 m, vase et substrat dur.

Comment(s) on data
WIO specimens of Chirostylus dolichopus have a live color different from topotypic specimens (Japan, Sagami Bay). They represent a new species still not described (Poupin et al. 2022, in press, Naturae, MNHN; Baba et al. in press, TDSB).

References : PDF list, 214 pp (1.4 Mo)

This species in Worms Database