Palaemon pacificus ( Stimpson, 1860 )

Li, Xinzheng, Bruce, Alexander J. & Manning *, Raymond B., 2004, Some Palaemonid Shrimps (Crustacea: Decapoda) From Northern South China Sea, With Descripitions Of Two New Species, Raffles Bulletin of Zoology 52 (2), pp. 513-553 : 522

Palaemon pacificus ( Stimpson, 1860)

( Fig. 10)

Leander pacificus Stimpson, 1860: 40 . Palaemon (Palaemon) pacificus - Holthuis, 1950: 87, Fig. 19 . Palaemon pacificus - Liu et al., 1990b: 236, Fig. 29 ; Nguyen van

Xuan, 1992: 43-47, Figs. 10, 11 ; Chace & Bruce, 1993: 41;

Hayashi, 1999b: 525.

Material examined. – 1 male, CN 55 -K275, Hele , Guangdong, coll. Y. Wang, 24 Apr.1955 ; 2 males, 3 ovig females, CN 56 -K947, Weizhou Is., Beibu Bay, coll. J. Y. Liu, 23 Feb.1956 ; 1 female (ovig), Beiao , Hainan Is., 12 Jul.1957 ; 3 females, CN 90 C-032, Qukou, Hainan Is. , intertidal, coll. J. Y. Liu, 3 Nov.1990 ; 1 juv., CN 90 C-047A3, Haikou, Hainan Is. , algae culture field, coll. X. Ren, 4 Nov.1990 ; 17 males, 29 females ( IOCAS) , 1 male, 1 female ( ZRC) , 1 male, 1 female (SI), CN 90 C-349, Meixia, Lingao , Hainan Is., intertidal, coll. J. Y. Liu, 2 Dec.1990 ; 1 female (ovig), CN 92 C-009, Qukou , Hainan Is., coll. X. Li, 13 Mar.1992 .

Diagnosis. – Rostrum usually ascending slightly in distal half, tapering gradually to subapical dorsal tooth, with 2-3 + 5-8 + 1/3-5 teeth. Antennule with distolateral spine of proximal segment distinctly over-reaching adjacent convex distal margin of segment, dorsal antennular flagellum with free part of shorter ramus 3-4 times as long as fused part. Mandible with 3 segmented palp covered with sparse long setae.

Distribution. – Red Sea, eastern Africa and South Africa to India, coast of southern China, Japan, Indonesia, New Caledonia and Hawaii; littoral.

Figures

Fig. 19. Kemponia platycheles (Holthuis, 1952). a-d, major (left) 2nd pereiopod; b, same, tip of merus and carpus; c, d, same, fingers; e, regenerate 2nd pereiopod.

Fig. 29. Periclimenes hirsutus Bruce, 1971a, lateral view.

Fig. 11. Palaemon serrifer (Stimpson, 1860). a, carapace and rostrum, lateral view; b, antennule; c, mandible.