Periclimenes aleator Bruce, 1991

Li, Xinzheng & Bruce, Alexander J., 2006, Further Indo-West Pacific palaemonoid shrimps (Crustacea: Decapoda: Palaemonoidea), principally from the New Caledonian region, Journal of Natural History 40 (11 - 12), pp. 611-738 : 673-674

Periclimenes aleator Bruce, 1991

( Figure 14 )

Periclimenes aleator Bruce 1991a, p 315 –322, Figures 10–14 ; Li 2000, p 152, Figure 185.

Material examined

Indonesia: KARUBAR, (i) Kai Islands, stn CP16, 5 ° 179S, 132 ° 509E, 315–349 m, 24 October 1991, 1 ovig. ♀ (MNHN-Na 14869); (ii) Tanimbar Islands , stn CP38, 7 ° 409S, 132 ° 279E, 620–666 m, 28 October 1991, 1♀ (MNHN-Na 14868) . Solomon Islands: (iii) SALOMON 1, stn CP 1786, 9 ° 21.39S, 160 ° 24.69E, 387 m, 30 September 2001, 1 „ (MNHN-Na 15532). SALOMON 2, (iv) Vella Gulf , stn CP2260, 8 ° 03.59S, 156 ° 54.59E, 399–427 m, November 2004, 2 ovig. ♀♀ (MNHN-Na 15946). Vanuatu: (v) MUSORSTOM 8, stn CP1136, 15 ° 40.629S, 167 ° 01.609W, 398–400 m, 11 October 1994, 1 ovig. ♀ (MNHN-Na 15873). New Caledonia: SMIB 8 , (vi) stn DW146, 24 ° 55.209S, 168 ° 21.739E, Banc Éponge (Mont B), 514–522 m, 27 January 1993, 1 ovig. ♀ (MNHN-Na 14946). BATHUS 4, (vii) stn DW899, 20 ° 16.689S, 163 ° 50.269W, 500– 600 m, 3 August 1994, 1 ovig. ♀ (MNHN-Na 15870); (viii) stn DW912, 18 ° 55.619S, 163 ° 07.689W, 702– 690 m, 5 August 1994, 1♀ (MNHN-Na 15867); (ix) stn DW923, 18 ° 51.519S, 163 ° 24.179W, 502– 470 m, 6 August 1994, 1 ovig. ♀ (MNHN-Na 15868). LITHIST, (x) stn CP09, 24 ° 52.89S, 168 ° 21.89E, 518–540 m, Banc Éponge, 11 August 1999, 1 ovig. ♀ (MNHN-Na 15891). NORFOLK 2, (xi) Norfolk Ridge, Kaimon Maru Bank, stn DW 2098, 24 ° 429S, 168 ° 069W, 550–668 m, 29 October 2003, 1 ovig. ♀ (MNHN-Na 15934); (xii) Norfolk Ridge , Antigonia Bank , stn CP 2122, 23 ° 229S, 168 ° 009W, 560–577 m, 1 November 2003, 1 ovig. ♀ (MNHN-Na 15935). Loyalty Islands: (xiii) MUSORSTOM 6, stn CP467, 21 ° 05.139S, 167 ° 32.119E, 575 m, 21 February 1989, 1 „ (MNHN-Na 14870) . Fiji: BORDAU 1 , (xiv) stn DW 1499, 18 ° 409S, 178 ° 279W, 389–400 m, 12 March 1999, 1 ovig. ♀ (MNHN-Na 15525); (xv) stn CP 1504, 18 ° 139S, 178 ° 349W, 427–440 m, 13 March 1999, 1 ovig. ♀ (MNHN-Na 15526) .

Parasites

The Loyalty Islands male (xiii) had a ventral abdominal hemiarthrinid parasite, Paraphrixus nigrocinctus (Chopra) ( Isopoda : Bopyridae ).

Remarks

Previously known only from the type material from the Loyalty Islands from 570–610 m. The record from 315–349 m depth from the Kai Islands (i) represents not only a new locality, but also a much shallower bathymetric range than that of type locality .

The ovigerous female from stn DW146 (vi) with the cornea large, about 0.18 of posterior orbital carapace length, pereiopod with the distoventral and subdistoventral spines of propod finely pectinate distodorsally, the second pereiopods similar and subequal.

Distribution

Type locality: Loyalty Islands . Now also known from Indonesia, Solomon Islands, Vanuatu, New Caledonia , and Fiji.

Figures

Figure 10. Palaemonella komaii, new species, holotype male (MNHN-Na 15482). (a) Mandible; (b) maxillula; (c) maxilla; (d) first maxilliped; (e) second maxilliped; (f) third maxilliped.

Figure 11. Palaemonella komaii, new species. (a–c, g–i) Holotype male (MNHN-Na 15482); (d–f) paratype male (MNHN-Na 15600). (a) First pereipod; (b) same, chela; (c) same, coxa, basis and ishium; (d) second pereiopod, right; (e) same, chela; (f) third pereiopod, left; (g) fifth pereiopod, left; (h) same, distal propodal subsegment and dactyl; (i) uropod.

Figure 12. Palaemonella pusilla Bruce, 1975, male (MNHN-Na 14839). (a) Carapace; (b) rostrum; (c) telson; (d) same, distal; (e) antennule; (f) antenna.

Figure 13. Palaemonella pusilla Bruce, 1975, male (MNHN-Na 14839). (a) Mandible; (b) same, incisor process; (c) first pereiopod; (d) second pereiopod; (e) same, fingers; (f) same, carpus; (g) endopod of second pleopod.

Figure 14. Periclimenes aleator Bruce, 1991, ovigerous female (MNHN-Na 14946). (a) Carapace and anterior appendages; (b) telson; (c) right (major) second pereiopod; (d) same, fingers; (e) third pereiopod, distal propod and dactyl.