Antecaridina lauensis (Edmondson, 1935)

Cai, Yixiong, Choy, Satish & Ng, Peter K. L., 2009, Epigean And Hypogean Freshwater Shrimps Of Bohol Island, Central Philippines (Crustacea: Decapoda: Caridea), Raffles Bulletin of Zoology 57 (1), pp. 65-89 : 66

Antecaridina lauensis (Edmondson, 1935)

Mesocaris lauensis Edmondson, 1935a: 13 , Fig. 4 [type locality: Namuka and Wangava Island, Lau Archipelago, Fiji]; Edmondson, 1935b: 4.

Antecaridina lauensis – Edmondson, 1954: 368; Holthuis, 1955: 25, Fig. 8d–f ; 1956: 51; 1963: 267; 1965: 4, Figs. 2a–r ; 1973: 19; Shokita, 1975: 118; 1979: 201; Suzuki, 1980: 47, Figs. 1–5 ; Smith & Williams, 1981: 49; Hayashi, 1989a: 378, Figs. 172–174; Sket, 1997: 62; Leberer & Cai, 2003: 355; Cai & Shokita, 2006b: 2124.

Material examined. – One male, cl 2.8 mm, 16 females, cl 1.8–2.6 mm, 12 juveniles, ZRC 2007.0267 , Cave Hinaganan , Panglao, coll. Y. Cai et al., 17 Dec.2000 ; 60 juveniles, UOL, Cave Hinaganan , Panglao, coll. B. Sket, Feb.1995 .

Remarks. – Antecaridina lauensis , an anchialine species with a wide but disjunct distribution, has been reported from the Lau Archipelago, Fiji Islands, ( Edmondson, 1935a, b), Europa Island, Madagascar ( Holthuis, 1965), Sinai Peninsular, Red Sea ( Holthuis, 1963), Hawaii Island ( Holthuis, 1973), Solomon Islands (Smith & Williams, 1981), Guam (Leberer & Cai, 2003) and the Ryukyus ( Shokita, 1975; 1979; Suzuki, 1980). It has previously been reported from Bohol by Sket (1997).

Figures

Fig. 4. Caridina lobocensis, new species: A, telson; B, endopod of male first pleopod; C, appendix masculina and appendix interna of male second pleopod; D, first pereiopod; E, second pereiopod; F, third pereiopod; G, dactylus of third pereiopod; H, fifth pereiopod; I, dactylus of fifth pereiopod. Scale bars: A, D–F, H = 1 mm; B, C, G, I = 0.2 mm (A–C, male, cl 5.7 mm, paratype, ZRC, Bohol Island, Philippines; D–I, female, cl 6.9 mm, paratype, ZRC, Bohol Island, Philippines).

Fig. 8. Caridina boholensis, new species: A, cephalothorax and cephalic appendages, lateral view; B, first pereiopod; C, second pereiopod; D, third pereiopod; E, dactylus of third pereiopod; F, fifth pereiopod; G, dactylus of fifth pereiopod; H, male first pleopod; I, appendix masculina and appendix interna of male second pleopod; J, uropodal diaeresis. Scale bars: A = 1 mm; B–D, F = 0.5 mm; E, G = 0.1 mm; H–J = 0.2 mm (A–C, ovig. females, cl 3.8 mm, paratype, ZRC; D–J, male, cl 3.7 mm, paratype, ZRC, Cave Bongkawi, Antequrra).

Fig. 2. Caridina lobocensis, new species: A, cephalothorax and cephalic appendages, lateral view; B, scaphocerite; C, mandible; D, maxillula; E, maxilla; F, first maxilliped; G, second maxilliped; H, third maxilliped. Scale bars: A = 2 mm, B–H = 1 mm (female, cl 6.9 mm, Paratype, ZRC, Philippines).

Fig. 1. Map of the Bohol Island, Philippines, showing the collection sites.

Fig. 3. Caridina lobocensis, new species: A, cephalothorax and cephalic appendages, lateral view; B, distal portion of telson; C, first pereiopod; D, second pereiopod; E, third pereiopod; F, dactylus of third pereiopod; G, fifth pereiopod; H, dactylus of fifth pereiopod; I, preanal carina; J, uropodal diaeresis. Scale bars: A = 2 mm, B, F, H, J = 0.2 mm; C–E, G = 1 mm; I = 0.5 mm (male, cl 5.7 mm, paratype, ZRC, Bohol Island, Philippines).

Fig. 5. Caridina liaoi, new species. A: cephalothorax and cephalic appendages, lateral view; B, first pereiopod; C, second pereiopod; D, third pereiopod; E, dactylus of third pereiopod; F, fifth pereiopod; G, dactylus of fifth pereiopod; H, endopod of male first pleopod; I, appendix masculina and appendix interna of male second pleopod. Scale bars: A–D, F = 1 mm; E, G = 0.1 mm; H, I = 0.2 mm (male, cl 4.0 mm, paratype, ZRC, Bilar river).