Decapoda - Brachyura - Xanthidae - Etisus

Etisus dentatus (Herbst, 1785)



World Distribution
(Davie, 2002: 530) - IWP, East Africa to Australia, Japan, Hawaii. Includes Wallis & Futuna, French Polynesia. Serène (1984 : 225) - Indo-ouest Pacifique. Mer Rouge et de l’Afrique du Sud, au Japon et aux Hawaii. Comprend, Madagascar, Réunion, Mayotte, premier signalement, Wallis & Futuna, Polynésie française.

Environnement : Marine - Substrat/Association : Hard bottom (rock and rubbles)

Vertical range : Shallow-waters (0-100 m) - Min-Max observed: 0-30 m

Mayotte data
Etisus dentatus (Herbst, 1785)
Material examined — Mayotte KUW 2009, st. 3, Trévani fringing reef (night), 1-8 m, 1 M 67 x 103 mm (photo), MNHN B32412, MNHN-IU-2009-1174.
Remarks — This big Etisus can be confused with E. splendidus Rathbun, 1906. The two species can be recognized by their live coloration, chocolate brown in E. dentatus instead of bright red in E. splendidus and by a single spine on the carpus of the cheliped in E. dentatus (2 in E. splendidus).
Other records — Poupin et al., 2013c: 11, Glorieuses, Expedition Glorieuses December 2012 (new record), st. BIO 37 (carapace). - Poupin, 2016, 50, Juan de Nova, Expedition Juan de Nova December 2013, outer-reef, st1, carapace (nr), st8, typical chela and carpus observed at 'Camp Sega' (photo).
Geographic and depth ranges — IWP, Red Sea, Mayotte (this work), South Africa to Hawaii, French Polynesia; shallow water to 30 m.

Réunion data
Etisus dentatus - Mission Poupin, avril 2008 (St. 5, l'Ermitage les Bains, coll. Sully, photographies J. Poupin, F. Trentin).

New Caledonia data
Nouvelle Caledonie, STATION — Edwards AM, Nouv Arch MNHN 8: 229-267

Central Pacific data (Wallis & Futuna, Polynesia, Clipperton, Easter Island)
WALLIS & FUTUNA - Etisus spendidus - Juncker, 2004: 62 (not. E. splendidus but E. dentatus, according to the photograph). - Etisus dentatus - Poupin & Juncker, in preparation (Wallis). - FRENCH POLYNESIA - Etisus dentatus - Boone, 1934: 119, pl. 62-63 (Tahiti). - Forest & Guinot, 1961: 86, fig. 80a-b (Tahiti); 1962: 64 (Biogeography "Tahiti-Tuamotu"). - Monteforte, 1984: 170, annex 1, tab. A (Moorea, Tahiti); 1987: 9 (Moorea). - Guinot, 1985: 450 (List). - Poupin, 1994a: 41, fig. 37, pl. 4h (Tahiti, Taiaro); 1996a: 52 (Checklist). - Moorea Biocode project. - Mission CRIOBE 2014 (Moorea) (P5 leg only), dry collection, exuvia.

References : PDF list, 214 pp (1.4 Mo)

This species in Worms Database