Anamixis cavatura Thomas, 1997

Figs 10, 23 A, B

Leucothoides pottsi: Shoemaker 1933: 249–250, fig. 3; Ledoyer 1967: 127, fig. 5 b; Ruffo 1969: 12–13; Sivaprakasam 1967 (1969): 373, fig. 1 e – g; Ledoyer 1978 a: 375; Ledoyer 1978 b: 300 –301; Ledoyer 1979 a: 169; Ledoyer 1979 b: 111, fig. 68 (II); Thomas 1979: 107–109; Barnard 1979: 130.

Anamixis pottsi: Ortiz and Lemaitre 1994: 124.

Anamixis hanseni: Pearse 1912: 370; Thomas 1979: 107–109; Thomas and Taylor 1981: 462–467, figs 1–5; Thomas and Barnard 1983: 154–157 [not A. hanseni Stebbing, 1897].

Anamixis cavatura Thomas, 1997: 47–50, figs 3, 4; LeCroy 2007: 506, fig. 447; White 2011: 25, fig. 1.

Material examined.

Panama • 1.7–4.9 mm • 2 anamorph ♂; Bocas del Toro, Cayo Solarte; 9.3336°N, 82.2189°W; depth 2 m; among red algae and Halimeda; 07 Aug 2005; R. Collin, M. Faust, E. Gaiser, S. LeCroy, S. Richardson, M. Sorenson leg.; GCRL 6678 • 1 leucomorph ♀; Bocas del Toro, mangrove island next to Isla Solarte; depth 2 m; among coral rubble; 08 Aug 2021; K. N. White leg.; USNM 1762922 • 1 leucomorph ♀; Bocas del Toro, Drago Beach; 9.4181°N, 82.3375°W; depth 2–3 m; among red algae; 09 Aug 2021; K. N. White leg.; USNM 1762923 • 1 leucomorph ♀; Bocas del Toro, San Cristobal; 9.2625°N, 82.2350°W; depth 15 m; among coral rubble; 10 Aug 2021; K. N. White leg.; USNM 1762924 • 1 leucomorph ♂, 2 leucomorph ♀; Bocas del Toro, Crawl Caye; 9.2376°N, 82.1438°W; depth 1.5–3 m; among Halimeda; 11 Aug 2021; K. N. White leg.; USNM 1762925 • 1 anamorph ♂, 1 leucomorph ♂, 16 leucomorph ♀; Bocas del Toro, Crawl Caye; 9.2475°N, 82.1290°W; depth 5 m; among coral rubble; 12 Aug 2021; K. N. White leg.; USNM 1762926 • 1 anamorph ♂; Bocas del Toro, Hospital Point, 9.3319°N, 82.2148°W; depth 1–3 m; among Halimeda; 22 June 2023; K. N. White leg.; USNM 1762927 • 2 anamorph ♂; Bocas del Toro, Crawl Caye; 9.2459°N, 82.1369°W; depth 1–4 m; among coral rubble and Halimeda; 25 June 2023; K. N. White leg.; USNM 1762928 • 1 anamorph ♂; Bocas del Toro, Cayo Zapatilla 1; 9.2699°N, 82.0587°W; depth 10–11 m; among coral rubble; 28 June 2023; K. N. White leg.; USNM 1762929 .

Diagnosis.

Anamorph male. Head anterior margin with small tooth-like projection; ventral keel elongate, subtriangular with pointed tip. Gnathopod 2 basis anteromedial margin with acute projection; propodus palm with several teeth; dactylus with distal serrations.

Leucomorph male and female. Head anterior margin quadrate; ventral keel subrectangular. Gnathopod 1 carpus finely serrate, apex with two serrate spines, larger spine with bifid tip. Gnathopod 2 palm transverse, irregularly serrate.

Distribution.

USA: Dry Tortugas, Florida (Shoemaker 1933), Fort Pierce to Tampa, including the Florida Keys (Thomas 1997; LeCroy 2007), Mississippi Delta (Pearse 1912); Colombia: Isla Barú (Ortiz and Lemaitre 1994); Bahamas; Mexico: Yucatan; Belize: Carrie Bow Caye; Cuba: Guanahacabibes (Varela et al. 2003); Venezuela (Martín et al. 2013); Honduras; Jamaica; Greater and Lesser Antilles (Thomas 1997); Panama: Bocas del Toro (White 2011; present study).

Ecology and remarks.

This species occurs among red algae, Halimeda, and coral rubble at depths of 1– 11 m. Panamanian anamorph males differ from the original description in having the gnathopod 2 basis and ischium bare (vs each with one seta) and dactylus distally serrate (vs entire margin serrate). Living anamorphs are translucent white with brown splotches and have a red eye. Living leucomorphs are translucent white with magenta stripes.