Palaemon concinnus Dana 1852
In: Notes on the shrimp genus Palaemon Weber, 1795 (Crustacea, Decapoda, Palaemonidae) and related genera from Taiwan, pp. 575-595 in Zootaxa 4446(4) 580-582, 2018, S. 575-595
unknown
Zugriff:
Palaemon concinnus Dana, 1852 (Figs. 5, 13C) Previous Taiwan records. Shy & Yu 1998: 45, 2 unnumbered photos; Jeng 1998: 37, unnumbered photo; Lin 2007: 168, 4 unnumbered photos. Material examined. Luodong, Yilan County, 1 male (pocl 8.1 mm), 4 ovig. females (pocl 8.1–12.0 mm), 14.VIII.1982 (NTOU M01180); same location, 1 female (pocl 10.5 mm), 03.V.1985 (NTOU M01183); Xiuguluanxi, Dagangkou, Hualien County, 1 male (pocl 6.0 mm), 07.XI.1992 (NTOU M01189); Donghe, Taitung County, 2 males (pocl 6.5–7.4 mm), 6 ovig. females (pocl 11.2–12.5 mm), 27.VIII.1992 (NTOUM01182); Jialeshuei Village, Pingtung County, 3 males (pocl 8.4–9.5 mm), 3 ovig. females (pocl 10.3–12.5 mm), 6 females (pocl 10.2–12.4 mm), 26.VII.2009 (OUMNH.ZC.2010-02-079); Wangshaxi, Pingtung County, 1 male (pocl 10.2 mm), 1 ovig. female (pocl 11.6 mm), 28 females (pocl 8.3–13.17 mm), 05.VIII.1992 (NTOUM01181). Diagnosis. Rostrum slightly ascendant in distal half, tapering gradually; rostral formula 1+5–8/3–7; basal antennular segment with disto-lateral spine distinctly overreaching adjacent convex distal margin of segment; free portion of shorter ramus of dorsal antennular flagellum 3.5–6.0 times as long as fused part; mandible with 3 segmented palp; first pereiopod with carpus 2.5–3.0 times as long as chela; second pereiopod with carpus 1.5–2.0 times length of chela; fifth abdominal pleuron with distoventral tooth; first pleopod of male with marginal appendix on endopod. Colour pattern. Rostrum largely transparent with few chromatophores distally; scattered chromatophores forming weak red-brown lines on carapace; more dense chromatophores forming a strong horizontal band across the abdominal pleurae; weak brown spot laterally on the joint between the fourth and fifth and fifth and sixth abdominal somites; a dark spot is present sub-cuticularly at the posterior end of the sixth abdominal somite; joint between the carpus and chela of second pereiopod orange, slight orange colouration at joint between carpus and merus; third to fifth pereiopods with ...
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Palaemon concinnus Dana 1852
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Autor/in / Beteiligte Person: | Ashelby, Christopher W. ; Lin, Wei-Cheng ; Grave, Sammy De ; Chan, Tin-Yam |
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Zeitschrift: | Notes on the shrimp genus Palaemon Weber, 1795 (Crustacea, Decapoda, Palaemonidae) and related genera from Taiwan, pp. 575-595 in Zootaxa 4446(4) 580-582, 2018, S. 575-595 |
Veröffentlichung: | 2018 |
Medientyp: | unknown |
DOI: | 10.5281/zenodo.5961745 |
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