Leander tenuicornis (Say, 1818)

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 : 618-619

Leander tenuicornis (Say, 1818)

Palaemon tenuicornis Say 1818, p 249 .

Leander tenuicornis: Kingsley 1878, p 66 ; Kemp 1925, p 302 –304, Figure 11 ; Holthuis 1952b, p 155 –167, Plates 41–42; Bruce 1991b, p 223, Figures 1b , 2 ; Chace and Bruce 1993, p 6; Bruce 1996, p 202; Bruce 2002a, p 80; Davie 2002, p 292; Li et al. 2004, p 516, Figure 3 .

Material examined

Madagascar: Tuléar, coll. R. Hipeau-Jacquotte, 1960, (i) 1 „ (MNHN-Na 15926); (ii) 1 ovig. ♀ (MNHN-Na 15927); (iii) 2 ovig. ♀♀ (MNHN-Na 15925). New Caledonia: (iv) MONTROUZIER, Koumac, Infernet Reef, coll. B. Richer de Forges, scuba, 13 m, 5 October 1993, 1 ovig. ♀ (MNHN-Na 14820); (v) Ricaudy Reef, intertidal, coll. B. Richer de Forges, 12 July 1995, 1 ovig. ♀ (MNHN-Na 15875); (vi) lagoon, Ricaudy reef flat, low tide, coll. B. Richer de Forges, 22 June 1997, 1 „ (MNHN-Na 15821); (vii) lagoon (Seiche Croissant), seagrass, small trawl, coll. B. Richer de Forges, 7 May 1998, 3♀♀ (1 ovig.) (MNHN-Na 15815). Loyalty Islands: (viii) ATELIER LIFOU, Lifou, Santal Bay : Enu , near wharf, stn 1417, 20 ° 46.99S, 167 ° 08.39E, 1–4 m, slabs with sediment cover and coral blocks, 8–24 November 2000, 1♀ (MNHN-Na 15431) .

Remarks

Not previously recorded from Loyalty Islands. The association with anemones may have been accidental. The Madagascar material (i–iii) was collected from shelter of an actinarian Actinodendron sp.

Distribution

Type localities: Newfoundland Bank. Also known from Red Sea and South Africa to South China Sea , Japan, Philippines, Indonesia, Australia, Caroline Islands, New Zealand, and the Atlantic Ocean from Newfoundland to Brazil, and Mediterranean. Associated with floating weed in the open sea and with attached plants in shallow water .

Figures

Figure 1. Palaemonetes atrinubes Bray, 1976, ovigerous female (MNHN-Na 14843). (a) Carapace and anterior appendages; (b) anterior carapace; (c) distal part of proximal peduncular segment; (d) antennal scale; (e) distal telson; (f) mandible; (g) first pereiopod; (h) same, chela; (i) second pereiopod; (j) same, chela; (k) third pereiopod; (l) same, propod and dactyl; (m) same, distal propod and dactyl.

Figure 2. Harpiliopsis spinigera (Ortmann, 1880), male (MNHN-Na 15838). (a) Second pereiopod; (b) same, fingers.

Figure 3. Kemponia agag (Kemp, 1922), male (MNHN-Na 14877). (a) Carapace and anterior appendages; (b) antennal scale; (c) second pereiopod, ischium, merus, and carpus; (d) same, chela; (e) same, fingers; (f) same, article of carpus and chela; (g) proximal fingers; (h) third pereiopod, propod and dactyl; (i) same, distal propod and dactyl.

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.