Periclimenes mclellandi Heard & Spotte, 1997

(Fig. 62)

Periclimenes mclellandi — Horká et al. 2016: supplementary table 1 (Curaçao). Material examined. Curaçao: ZMA. CRUS.D.103516: 15 damaged specimens, Piscaderabaai, 2 nd buoy, 14.iv.1978, collected by J.H. Stock. RMNH. CRUS.D.51647: 1 damaged specimen, pocl. 1.6 mm, R =1+4/0; stn CUR.01, south coast, Carmabi Reef / Hilton Pier, 12°16′19.2″N 068°58′09.0″W, 02.v.2005, depth 17.4 m, scuba diving, on Pseudoplexaura porosa forma a (fcn. F109), collected by N. Snijders (fcn. g040). RMNH. CRUS.D.51648: 1 ovigerous female, pocl. 1.5 mm, R =1+4/0; stn CUR.01, south coast, Carmabi Reef / Hilton Pier, 12°16′19.2″N 068°58′09.0″W, 02.v.2005, depth 17.4 m, scuba diving, on P. porosa forma a (fcn. F109), collected by N. Snijders (fcn. g041). RMNH. CRUS.D.58231: 1 specimen, stn CUR.04, south coast, West Side Piscaderabaai, 12°07′21.4″N 068°58′10.5″W, 29.iv.2005, depth 18.5 m, scuba diving, on Pseudopterogorgia sp., collected by N. Snijders (fcn. g032). RMNH. CRUS.D.58232: 1 specimen, stn CUR.04, south coast, West Side Piscaderabaai, 12°07′21.4″N 068°58′10.5″W, 29.iv.2005, depth 18.5 m, scuba diving, scuba diving, on Pseudopterogorgia sp., collected by N. Snijders (fcn. g033). RMNH. CRUS.D.58233: 1 ovigerous female, pocl. 1.6 mm, R =1+3/0, stn CUR.04, south coast, West Side Piscaderabaai, 12°07′21.4″N 068°58′10.5″W, 29.iv.2005, depth 18 m, scuba diving, on Pseudopterogorgia sp., collected by N. Snijders (fcn. g031). RMNH. CRUS.D.51650: 4 specimens; stn CUR.05, south coast, Marie Pampoen / Carpile, 12°05′42.1″N 068°54′43.0″W, 10.vi.2005, depth 15.6 m, scuba diving, on Plexaura nina Bayer & Deichmann, 1958 (F398), collected by N. Snijders (g112). RMNH. CRUS.D.51644: 1 ovigerous female, pocl. 1.9 mm, R =1+4/0; stn CUR.05, south coast, Marie Pampoen / Carpile, 12°05′42.1″N 068°54′43.0″W, 09.v.2005, depth 16.7 m, scuba diving, on Eunicea clavigera Bayer, 1961 (F174), collected by N. Snijders (g057). RMNH. CRUS.D.51645: 1 ovigerous female, pocl. 1.9 mm, R =1+4/0; stn CUR.05, south coast, Marie Pampoen / Carpile, 12°05′42.1″N 068°54′43.0″W, 09.v.2005, depth 16.8 m, scuba diving, on E. clavigera (F175),collected by N. Snijders (g058). RMNH. CRUS.D.58234: 1 specimen, stn CUR.05, south coast, Marie Pampoen / Carpile, 12°05′42.1″N 068°54′43.0″W, 09.v.2005, depth 10.6 m, scuba diving, on Plexaura sp. a (fcn. F176), collected by N. Snijders (fcn. g059). RMNH. CRUS.D.58235: 1 specimen, stn CUR.09, south coast, Jan Thiel / Diver’s Leap, 12°04′25.0″N 068°52′40.9″W, 23.v.2005, depth 16.3 m, scuba diving, on P. nina (fcn. F271), collected by N. Snijders (fcn. g081). RMNH. CRUS.D.58236: 1 specimen, stn CUR.12, south coast, Playa Jeremy, 12°19′44.1″N 069°09′00.2″W, 06.vi.2005, depth 18.5 m, scuba diving, on Pseudoplexaura sp., collected by N. Snijders (fcn. g105). RMNH. CRUS.D.58237: 1 specimen, stn CUR.15, south coast, Barank’I Karanito, 12°02′13.5″N 068°48′14.2″W, 19.v.2005, depth 14 m, scuba diving, on P. nina (F249), collected by N. Snijders (fcn. g076). RMNH. CRUS.D.51646: 1 ovigerous female, pocl. 1.3 mm, R =1+3/0; stn CUR.21, south coast, Sint Michielsbaai / Boka Sami, 12°08′50.9″N 068°59′56.6″W, depth 38.5 m, scuba diving, 31.v.2005, on Muricea laxa Verrill, 1864 (fcn. F332), collected by F. Stokvis (fcn. g091). RMNH. CRUS.D.51649: 3 ovigerous females, pocl. 1.8 mm, R =1+3/0; pocl. 1.6 mm, R =1+3/0; pocl. 1.6 mm, R =1+3/0; 2 males (DNA), pocl. 1.3 mm, R =1+3/0; pocl. 1.4 mm, R =1+3/0; stn CUR.25, south coast, Kleine Knip, 12°20′28.8″N 069°09′08.3″W, 08.vi.2005, depth 16.7 m, scuba diving, on P. nina (fcn. F387), collected by N. Snijders (fcn. g110). RMNH. CRUS.D.58238: 1 male, pocl. 1.0 mm, Tugboat, 19.vi.2017, depth 10 m, scuba diving, on soft coral, collected by C.H.J.M Fransen (fcn. CF19 A-2). Bonaire: RMNH. CRUS.D.58239: 5 specimens, Something Special (Pali Grande), 12°09.696′N 068°17.016′W, 6.xi.2019, depth unknown, scuba diving, on brown gorgonian, collected by Peter Wirtz (fcn. 9) (photo).

Remarks. The morphological characters of the present specimens agree well with the original description by Heard & Spotte (1997). Rostrum (Fig. 62A–C) straight, short, just overreaching midlength of basal segment of antennular peduncle in females, not extending midsection in males; dorsal lamina developed, with 4–5 dorsal teeth at equal distances, proximalmost tooth at level of orbital; ventral lamina slightly concave without teeth. Antennal tooth small (Fig. 62A, C); hepatic tooth (Fig. 62A–C) more robust, situated slightly below level of antennular tooth, directed forward. Third abdominal segment not produced posteriorly. Telson (Fig. 62D) with 2 pairs of small dorsal spines at about 0.6 and 0.85 of telson length which is slightly more distally in comparison to described for the type-material; lateral pair of distal spines as small as dorsal spines; posterior margin of telson (Fig. 62E) without median process in present material while present in type-material. Basal segment of antennular peduncle with distolateral tooth, without additional teeth on anterior margin. Maxilla with endite bilobed. Ischiomerus of third maxilliped without distomedial mobile spine; with rudimentary arthrobranch. Second pereiopods equal or subequal, undifferentiated, lacking teeth on cutting edges of fingers; fingers slender, about as long as palm, dactylus without longitudinal carina. Ambulatory pereiopods slender, with propodi straight, without spines on flexor margin except for distoventral one; dactyli (Fig. 62F) simple, not biunguiculate; unguis about 2/3 rd of corpus length, joint between corpus and unguis indistinct.

Ecology. The species is primarily associated with shallow water gorgonians: Antillogorgia americana (Gmelin, 1791) (cf. Heard & Spotte 1997 (as Pseudopterogorgia americana); De Grave & Anker, 2017); and Plexaurella cf. grandiflora Verrill, 1912 (cf. De Grave & Anker 2017). The species has also been recorded on sponges (De Grave & Anker 2017). The species is herein recorded from: Pseudoplexaura porosa; Plexaura nina; M. laxa; and E. clavigera for the first time.

Distribution. Previously known from two locations in the tropical western Atlantic: Turks and Caicos Islands (Heard & Spotte 1997; Debelius 1999) and Caribbean coast of Panama (De Grave & Anker 2017). Known to occur in depths between 1 and 43 m. Herein recorded for the first time from Bonaire.