Decapoda - Brachyura - Pilumnidae - Echinoecus

Echinoecus pentagonus (A. Milne-Edwards, 1879)

7 Illustration(s)

World Distribution
Chia et al. (1999 : 816) - Indo-ouest Pacifique. Mer Rouge, Afrique orientale, Madagascar, Seychelles, Maurice, à Hawaii, Polynésie française. Comprend Réunion, premier signalement, Polynésie française.
(Castro, 2000, MUSORSTOM V21) - Papua New Guinea and across the Indo-West Pacific region from the Red Sea to the Hawaiian Is and French Polynesia (Chia et al. 1999). Symbiont of shallow-water echinoids (mostly family Diadematidae). Adult females typically live in the rectum of their host, where they form a calcified, gall-like structure (Castro 2015).

Environnement : Marine - Substrat/Association : Associated with echinoderms

Vertical range : Shallow-waters (0-100 m) - Min-Max observed: 0-22 m

Mayotte data
Echinoecus pentagonus - Mayotte, det. from photo Frédéric Ducarme, May 2018. No specimen examined.

Réunion data
Echinoecus pentagonus - Mission Poupin, avril 2008 (D'après photographie du programme BIOTAS, det. confirmée par P. Castro). - Réunion - photo P. Bourjon, 2018

Central Pacific data (Wallis & Futuna, Polynesia, Clipperton, Easter Island)
Eumedon convictor Bouvier & Seurat, 1905: 629 (Hao). - Nobili, 1907: 382 (Hao). - Seurat, 1934: 58 (Hao). - Eumedonus convictor - Holthuis, 1953: 6 (Raroia). - Morrison, 1954: 6 (Raroia). - Eumedonus pentagonus - Forest & Guinot, 1962: 58 (Biogeography "Tahiti-Tuamotu"). - Echinoecus pentagonus - Serène et al., 1958: 152 (Syn.). - Guinot, 1985: 453 (List). - Poupin, 1996a: 29 (Checklist). - Chia et al., 1999: 811 (Hao, Raroia; 'commensal on the anal plate region of banded spined poisonous sea urchin'). - AAMP, Marquesas, 2012, Leg 3, St. MQ27-GR, Hatu Iti, 5-22 m, coll. Starmer et al., sample LC359, in rectum of sea urchin Heterocentrotus trigonarius.

References : PDF list, 214 pp (1.4 Mo)

This species in Worms Database