Decapoda - Brachyura - Portunidae - Thalamita

Thalamita crenata Rüppell, 1830



World Distribution
Indo-West Pacific. From Madagascar to Japan and Hawaii. Includes French Polynesia, Wallis & Futuna.
Apel & Spiridonov (1998 : 235). Indo-ouest Pacifique. Mer Rouge, Golfe Oman, Golfe d'Arabie, Afrique orientale, Somalie, Madagascar, Seychelles, Maurice, Pakistan, Inde, Andaman, Malaisie, Singapour, Philippines, Japon, Australie, Nouvelle-Calédonie, Polynésie française, Hawaii. Comprend Mayotte, premier signalement. Europa, Juan de Nova.

Environnement : Marine - Substrat/Association : Soft bottom (mud or sand)

Vertical range : Shallow-waters (0-100 m) - Min-Max observed: 0-10 m

Mayotte data
Thalamita crenata Rüppell, 1830
Material examined — Mayotte KUW 2009, st. 16, Longoni bag, trap 2 m, in front of mangrove, 1 F 42 x 63.5 mm (photo dorsale et pinces), 1 F ov. 34.7 x 52 mm (photo pinces), 3 MM, MHNN B32477, MNHN-IU-2009-1239; st. 26, Mutsumbatsou reef flat, intertidal, 1 M 21.3 x 30.6 mm, MNHN B32478, MNHN-IU-2009-1240. - Fourmanoir, 1954: 10, Juan de Nova. - Poupin, 2016: Expedition Juan de Nova December 2013, st. 3 (nr), st. 4 (juv.), st/ 5 (several), st. 8 (photo in situ), reef-sand, st. 20; 1 juv. st. 20 (MNHN).
Remarks — Determination based on aspect of male pleopod, shape of 6th segment of telson and live coloration, with blue shades on chelae and orange tints at articulations of legs (see also color illustration in Vannini & Innocenti, 2000: 289, fig. 87).
Geographic and depth ranges — Red Sea, Mayotte (this work), South Africa to Hawaii, French Polynesia; intertidal, subtidal to 10 m.

Europa data
Thalamita crenata - Fourmanoir, 1952 : 176 (Europa). - Guinot, 1967 : 256 (Liste, avec Europa). - Europa, Mission BIORECIE, st. 9, petit lagon, photo in situ seulement ; St. 14, mangrove du grand lagon, photo in situ et un mâle 31.2x46. 2 mm (MNHN).

Réunion data
Thranita crenata - Réunion, 2024, littoral, photo T. Huet (exuvia).

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 - Thalamita crenata - Poupin & Juncker, in preparation (Wallis). - FRENCH POLYNESIA - Thalamita crenata - A. Milne Edwards, 1861: 365 (Marquesas). - Ortmann, 1893a: 86 (Marquesas). - Rathbun, 1907: 62 (Bora Bora). - Seurat, 1934: 59 (Marquesas). - Forest & Guinot, 1962: 60 (Biogeography "Tahiti-Tuamotu, Marquesas"). - Stephenson & Rees, 1967: 66 ("Maiai" = Tikehau, "Tikahau" = Tikehau). - Monteforte, 1984: 173, annex 1, tab. a (Mataiva, Moorea, Tahiti, Takapoto); 1987: 8 (Moorea). - Salvat & Richard, 1985: 356, 362 (Takapoto). - Poupin, 1996a: 34 (Checklist, with new records at Tahiti and Tikehau; coll. Frv Marara). - Thalamita (Thalaminella) crenata - Guinot, 1985: 449 (List; subgenus from Moosa, 1979: 51). - Mission CRIOBE 2014 (Moorea).

Comment(s) on data
New genus Thranita from Evans (2018, PeerJ).
Thranita not accepted in WoRMS (2023), junior subjective synonym of Thalamita (cf. Poore & Ahyong, 2023 - Marine decapod Crustacea: a guide to the families and genera of the world.)

References : PDF list, 214 pp (1.4 Mo)

This species in Worms Database