Sesarmid crabs of the genus Karstarma Davie & Ng, 2007 are reported for first time in Western Indian Ocean: they were discovered lava tubes volcano ‘Piton de la Fournaise’, Réunion Island. A new species, morphologically similar to jacksoni (Balss, 1934) from Christmas Island, Eastern Ocean, is recognized and described. redescription K. also provided. second species recognized, but being represented collection by a single juvenile, it cannot be identified level until more collections made...

The genus Pachygrapsus Randall, 1840 is revised with particular attention to the five Southwest Pacific species: P. fakaravensis Rathbun, 1907, laevimanus Stimpson, 1858, minutus A. MilneEdwards, 1873, planifrons De Man, 1888, and plicatus (H. Milne Edwards, 1837). 1858 redescribed a neotype designated because of confusion this species transversus (Gibbes, 1850). Seven other were examined: corrugatus (von Martens, 1872), crassipes 1840, gracilis (de Saussure, 1858), loveridgei Chace, 1966,...

A preliminary assessment of the deep-sea Decapoda is proposed for Guadeloupe Island based solely on high definition macro photographs taken during KARUBENTHOS 2015 Expedition to (R/V Antea, 7-29 June 2015). Overall, 190 species are recognized, several which depicted with their fresh color first time. Previous records in Lesser Antilles documented and geographic distribution these Islands given. The historical contribution steamer Blake (1878-1879) emphasized. All inventoried were already...

A new species of fiddler crab, Austruca citrus n. sp. from Fiji, Wallis & Futuna, and Samoa, in the South Pacific is described based on morphological molecular evidence. This closely related to perplexa (H. Milne Edwards, 1852), but can be distinguished by a suite characters, including adult size, carapace morphology, shape coloration major chela, ratio pollex length as function width, male first gonopod form. The evidence mitochondrial 16S rDNA cytochrome oxidase subunit I (COI) supports...

A documented and illustrated checklist of land, mangrove rivers Decapoda is proposed for Mayotte region. The study area situated between longitudes 43-48° E latitudes 11-13°10' S. It includes Island, Comoros Islands, Glorioso Islands. Records the species are from a fieldwork at in November 2009, complemented by literature review. 58 listed including 24 new records inventory 42 crabs, 11 shrimps 5 coenobitids (Birgus latro, Coenobita spp.). Crabs Grapsoidea (Cardisoma, Geograpsus, Grapsus,...

A collection of crabs assembled during the KUW 2009 expedition to Mayotte Island and deposited in Muséum national d'Histoire naturelle Paris is studied. In total 202 species are recognized, 138 them being new records for a list brachyuran documented illustrated with photographs. complementary all previously taxonomic literature from its nearest Islands (Comoros Islands, Glorieuses marine banks Zélée, Geyser Leven) also provided. 298 identified region, richness this fauna discussed...

A collection of Majoidea Samouelle, 1819 crabs carried out during the KARUBENTHOS 2012 Expedition to Guadeloupe Island and sorted an international workshop at Besse-et-Saint-Anastaise in 2013 is reported. total 60 species are identified, 30 being new records for Island. Each presented with notes on habitat, geographical distribution previous Lesser Antilles. documented list 42 additional also proposed Antilles Islands based a bibliographic research. 102 currently reported from Antilles,...

In the present contribution, five species of Ptychognathus Stimpson, 1858 are reported from Polynesia: P. crassimanus Finnegan, 1931, easteranus Rathbun, 1907, riedelii (A. Milne-Edwards, 1868) and two new species. The first named ngankeeae sp. nov. is close to barbatus 1873) New Caledonia, which here redescribed for comparison purposes. second similis hachijoensis Sakai, 1955.

A documented checklist of the Crustacea (Stomatopoda, Decapoda) is provided for southern Guianas region (sGuianas), a homogeneous ecoregion including Guyana, Suriname, French Guiana and Brazilian State Amapá. The history crustacean collections undertaken there between 1759 2022 summarized. In total, 529 species are listed. Biodiversity varies countries: 165 in Guyana; 317 343 Guiana, 315 Brazil Amapá, as direct result different sampling efforts. There 22 Stomatopoda 507 Decapoda, ranked by...

A documented and illustrated checklist of the Anomura is presented for Mayotte region, Western Indian Ocean. The study area situated between longitudes 43-48° E latitudes 11-13°10’ S. It includes Comoros, Mayotte, Glorioso Islands plus three marine banks (Zélée, Geyser, Leven). Records included are from fieldwork in during November 2009, complemented by a review literature. In total 75 species listed including 43 new records region. inventory 51 Paguroidea, 22 Galatheoidea, 1...

Decapod crustaceans were studied in the Marquesas Islands, French Polynesia, between 50–550 m by using a remotelyoperated vehicle (ROV) equipped with high resolution cameras and an articulated arm. Careful examination of videos andphotographs combined previous inventories made area conventional gears allowed identification of30 species, including 20 species-level determinations. Species identified belong to shrimps (Penaeoidea, Stenopodidea,and Caridea), lobsters (Astacidea Achelata),...

Six new monotypic genera and eight species of hermit crabs the family Paguridae Latreille, 1802 are fully described based on specimens obtained during two separate, intensive biodiversity studies islands Guadeloupe, Curaçao, Dominica in Lesser Antilles, Caribbean Sea. The study Guadeloupe utilized a broad variety sampling techniques, including dredging, baited traps, SCUBA-operated vacuum device; Curaçao Dominica, manned submersible was used. high number taxa discovered is surprising given...

Huit Calcinus etaient jusqu'alors connus de Polynesie francaise : elegans (H. Milne Edwards, 1836) ; C. gaimardii 1848) sensu lato laevimanus (Randall, 1840) latens minutus Buitendijk, 1937 nitidus Heller, 1865 seurati Forest, 1951 et spicatus 1951. De nouvelles recoltes permettent d'en ajouter quatre guamensis Wooster, 1984 haigae imperialis Whitelegge, 1901 vachoni 1958. Trois especes sont par ailleurs reconnues, gouti, isabellae orchidae n.spp., ce qui porte a quinze le nombre total...

Poupin J. & Malay M. C. 2009. — Identification of a Ciliopagurus strigatus (Herbst, 1804) species-complex, with description new species from French Polynesia (Crustacea, Decapoda, Anomura, Diogenidae). Zoosystema 31 (2): 209-232.Four hermit crabs the genus are recognized as complex named "strigatus complex". They found in low intertidal or shallow waters Indo-West Pacific. is characterized by striped legs and chelae alternate yellow red transverse colour bands. It commonly on reef habitats...

Three species of the pagurid hermit crab genus Pagurixus Melin, 1939, are reported from Europa Island in Mozambique Strait, western Indian Ocean: P. haigae Komai & Osawa, 2007, annulus n. sp., and europa sp. is recorded Ocean for first time. referred to boninensis (Melin, 1939) group anceps (Forest, 1954) group, respectively. Diagnostic characters these two new discussed.