Brachycarpus biunguiculatus ( Lucas, 1846 )

Fransen, Charles H. J. M., 2023, The marine palaemonid shrimps (Crustacea, Deapoda, Caridea) of the Dutch Caribbean, Zootaxa 5387 (1), pp. 1-127 : 18-19

Brachycarpus biunguiculatus ( Lucas, 1846)

( Fig. 4 , video 2)

Macrobrachium savignyi — Rathbun 1920: 8 ( Bonaire); Schmitt 1924 a: ( Curaçao).

Brachycarpus biunguiculatus — Schmitt 1935: 157 ( Curaçao); Holthuis 1952: 6 ( Curaçao); Chace 1972: 18 ( Saba Bank); Faasse 2016: 52 ( Sint Eustatius); Poupin 2018: 105 ( Sint Maarten).

Material examined. Curaçao: RMNH. CRUS.D.23630: 1 ovigerous female, pocl. 8.1 mm; Piscaderabaai , SE part of bay, 18.xii.1963, collected by P. Wagenaar Hummelinck. RMNH. CRUS.D.28301: 3 males, pocl.7.0, 8.9, 9.0 mm; 1 ovigerous female, pocl. 7.8 mm; 1 non-ovigerous female, pocl. 7.6 mm; near Enoch , Piscaderabaai, 02.ii.1949, sublittoral, Rhizophora mud, collected by P. Wagenaar Hummelinck. RMNH. CRUS.D.28302: 1 male, pocl. 4.3 mm; 2 non-ovigerous females, pocl. 4.1, 4.6 mm; Entrance of Piscaderabaai , 12.xi.1956, depth 0–1 m, collected by L.B. Holthuis (fcn. 1002) . RMNH. CRUS.D.28303: 1 male, pocl. 7.8 mm; Piscaderabaai , i.1957, depth 0.5 m, in empty Pinna shell, collected by L.B. Holthuis (fcn. 1002) . ZMA. CRUS.D.103522: 1 male, pocl. 3.1 mm; St. Michielsbaai , 10.xi.1975, ca. 4 m depth, from Meandrina meandrites (Linnaeus, 1758) , collected by J.H. Stock. RMNH. CRUS.D.58069: 1 specimen; stn COA.14, Playa Boka Sami , 12°08′51.40″N 68°59′55.50″W, 05.xi.2013, depth 5 m, scuba diving, under stone, collected by B . T. Reijnen. RMNH. CRUS.D.58070: 1 specimen; stn COA.14, Playa Boka Sami , 12°08′51.40″N 68°59′55.50″W, 05.xi.2013, depth 25 m, scuba diving, in Niphates digitalis (Lamarck, 1814) , collected by C.H.J.M. Fransen. RMNH. CRUS.D.58071: 1 specimen; stn CAR.23, Boka pos spano, 12°16.700′N 69°08.591′W, 14.iv.2014, depth 12 m, scuba diving, in Aplysina cauliformis (Carter, 1882) , collected by C. Rauch. Bonaire: RMNH. CRUS.D.2331: 1 ovigerous female, pocl. 9.8 mm; locality unknown, 10.vii.1905 – vi.1920, collected by Prof. Boeke. RMNH. CRUS.D.57879: 1 specimen; stn BON.18, Red Slave , 12°01.605′N, 068°15.079′W, 28.x.2019, depth 10 m, scuba diving, in Callyspongia (Cladochalina) aculeata (Linnaeus, 1759) , collected by C.H.J.M. Fransen (photograph) . Stn BON.28, Something Special (Pali Grande), 12°09.696′N 068°17.016′W, 03.xi.2019, depth 1–5 m, scuba diving, night dive, between rocks on harbour head, C.H.J.M. Fransen (video 2), not collected . Aruba: RMNH . CRUS.D.4933: 2 males, pocl. 7.2, 9.2 mm; Aruba, vii.1883, collected by A.J. van Koolwijk.

Ecology. Free-living or associated with sponges and sea anemones among others ( De Grave & Anker 2017).

Distribution. Pantropical; from intertidal to around 100 m depth ( De Grave & Anker 2017).

Figures

FIGURE 4. Brachycarpus biunguiculatus (Lucas, 1846), stn BON.18, Bonaire, Red Slave, 12°01,605′N, 068°15,079′W, 28.x.2019, depth 10 m, from Callyspongia (Cladochalina) aculeata (Linnaeus, 1759). (Photograph by C.H.J.M. Fransen.)