Decapoda - Brachyura - Panopeidae - Panopeus

Panopeus occidentalis Saussure, 1857

11 Illustration(s)

World Distribution
Felder et al. (2009) - Western Atlantic. 1-20 m. Ber, NCar–GMx, Antil, Carib–Brazil.

North Carolina to Florida, southern Gulf of Mexico, Central America, West Indies, northern South America, Guianas and Brazil (Ceará to Santa Catarina);

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

Vertical range : Shallow-waters (0-100 m) - Min-Max observed: 1-20 m

Lesser Antilles data
Distribution: VGI (St Croix, St John), ICA (St Martin, Antigua, Guadeloupe, Trinidad), IOV (Margarita, Cubagua, Tortuga, Los Roques, Bonaire, Curaçao, Aruba). 1-20 m. WA.
Panopeus serratus Saussure, 1857: 502, Guadeloupe. - Desbonne, in Desbonne & Schramm, 1867: 29, Guadeloupe [Habite les Antilles, La Guadeloupe]. - A. Milne-Edwards, 1873-1880: 311, Guadeloupe [Le Panopeus serratus n'est suivant toutes probabilités qu'une variété du Panopeus herbstii à carapace plus aplatie et plus rugueuse qu'à l'ordinaire] - Accepted as Panopeus occidentalis Saussure, 1857 in WoRMS (2016).
Panopeus occidentalis Saussure, 1857: 502, Guadeloupe. - Saussure, 1858: 15, Guadeloupe [Nous possédons un assez grand nombre d'individus des deux sexes appartenant à cette espèce]. - Desbonne, in Desbonne & Schramm, 1867: 29, Guadeloupe [Habite les Antilles, La Guadeloupe]. - A. Milne-Edwards, 1873-1880: 310, Guadeloupe [Nous possédons un assez grand nombre d'individus des deux sexes; Le Panopeus occidentalis ne me paraît être qu'un jeune Panopeus herbstii à carapace plus bombée que d'ordinaire]. - Rathbun, 1920a: 19, St Martin, Bonaire, Curaçao [coll. J. Boeke]. - Rathbun, 1921: 69, Antigua [Barbados-Antigua Expedition 1918]. - Rathbun, 1924: 14, Curaçao [coll. C.J. van der Horst, 1920]. - Rathbun, 1930: 348: pl. 161, St John, St Croix, St Martin, Guadeloupe, Curaçao, Bonaire, Trinidad. - Rathbun, 1933: 61, St John, St Croix. - Rathbun, 1936: 385, Aruba [coll. P. Hummelinck, 1930]. - Chace, 1956: 156, Los Roques. - Rodríguez, 1980: 359, Trinidad, Margarita, Los Roques, Bonaire, Curaçao [Los Roques, from Chace, 1956, Curaçao, Bonaire, Trinidad, from Ratbhun, 1930]. - Hernández et al, 1999: tab. 2, Margarita [Laguna de Las Marites]. - Lira, 2004: tab. 1, Tortuga. - Tagliafico et al., 2005: tab. 1, Margarita (Los Frailes). - Hernández-Ávila et al., 2007: tab. 1, Cubagua.
Panopeus occidentalis forma serrata (Saussure) - Rathbun, 1936: 385, Aruba [coll. P. Hummelinck, 1930].
Panopeus occidentalis - Saint Martin, RNN Inventory, det J. Poupin, 2014; 10/04/2012, UF31874, photo dSTM_0675 (with ?); 15/04/2012, UF32100, photo dSTM_5256, UF32101, photo dSTM_5259, UF32128, photo dSTM_5472 - Guadeloupe; Karubenthos 2012, det. J. Poupin April 2014 (note September 2016, no MNHN number attributed), 1 juvenile 3.1 x 4.3 mm (photo labo, similar to GM24/JL1107), 1 female, JL41, st. GM01, 1 m; 1 juvenile, JL109c, 2 spp, JL79b, st. GM03, 1 m; 3 females, 1 male, photo, 1 female 19.0 x 25.5 mm (lost), lot JL1040, st. GM06, 1 m; 1 female ov. 15.0 x 19.4 mm, JL805, photo, st. GM15, 1 m (mangrove); 1 female juvenile 7.4 x 9.4 mm (color pattern as JL1200, both can be P. occidentalis fide Ratbhun (1930: 334, key), JL1107 (photo field, det . Based on marbled pattern alive), st. GM24, 2 m; 1 male 14.1 x 18.3 mm, JL1200 (photo), 1 male 20.0 x 26.7 mm, JL1196b, 2 females, 5 juveniles, JL1196a, st. GM26, 1 m; 1 male 18.4 x 24.3, JL1253 (photo), st. GM28, 2 m; 1 female 19.1 x 24.5 mm, JL1316 (with hesitation), st. GM31, 1 m; 4 females, 1 male juv, st. GM37, 2 m, (photos variation of shape of anterolateral teeth of carapace with size); 1 female ov. 5.1 x 6.4 mm, JL1188 (ovigerous despite small size; match smaller spp. JL1040), st. GS28, 5 m.

French Guiana and surroundings areas: Guiana, Suriname, Brazil (Amapà)
Panopeus occidentalis – Rathbun, 1930: 352, French Guiana [Cayenne, British Museum].
Distribution/Habitat – WA; Marine; 1–20 m.

Comment(s) on data
Determination using Rathbun (1930: 333) key, lead to Panopeus occidentalis forma serrata. Male pleopod (JL112) compared with Williams (1984: 418, fig. 331, m). First id. as P. lacustris, then all changed to P. occidentalis, MNHN April 2014, following remark by D. Felder.

References : PDF list, 214 pp (1.4 Mo)

This species in Worms Database