Ericthonius pugnax
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Genus: Ericthonius
Name
Ericthonius pugnax (Dana, 1853) – Wikispecies link – Pensoft Profile
- Pyctilus macrodactylus Synonymy: Dana, 1853: 974.
- Ericthonius macrodactylus Stebbing, 1906: 672; Walker 1904[1]: 292, fig. 48.
- Ericthonius pugnax Stebbing, 1906: 672; Pirlot 1938[2]: 352; Hurley 1954[3]: 445, figs 40–61; Nagata 1960[4]: 179, pl. 179, figs 99–102; Nagata 1965b[5]: 320, fig. 40; Nayar 1967[6]:162; Ledoyer 1969[7]: 179, fig. 1; Hirayama 1985[8]: 52, Ledoyer 1982a[9]: 628, fig. 239; Moore 1988[10]: 727–730, fig. 14; Kim and Kim 1991[11]: 246–247, figs 13–14.
Material
2 specimens, TIO 5, Monkey Bay, Pulau Tioman, 2 2°49'33"N, 104°9'45"E, coral rubble, Azman, Josim, 22 August 1996; 86 specimens, TIO 15, Renggis, Pulau Tioman, 2°48'35"N, 104°8'6"E, seagrass, Azman, Rayida, 15 July 1999, UKM I.D. 5712–5719; 2 specimens, TIO 33, Tomok, Pulau Tioman, 2°47'38"N, 104°7'16"E, live corals (Porites sp., Montipora sp., Acropora sp.), Azman, B.A.R, Kee, A.A., Zuhaimi, S., Maekawa, T., Okashita, T., 22 March 2004.
Remarks
The Pulau Tioman specimens agree well with figures of Ericthonius pugnax from Walker (1904)[1], Nagata (1960[4], 1965c), Ledoyer (1982c)[12] and Moore (1988)[10]. This species seems to have a wide-ranging distribution as far as the Arabian Sea. From closer examination of the specimens, the males not only have distally bidentate carpal spur of gnathopod 2 but also a mixture of single dentate carpal spur (see also Nagata 1960[4]; Ledoyer 1969[7], 1986[13]). As mentioned by Moore (1988)[10] the carpal bidentate spur of ganthopod 2 will eventually be lost in hyperadult males. Unfortunately the stipulation over hyper adult morphological changes has brought several descriptions of new species that actually represented a single species (i.e Ericthonius macrodactylus). Prior to this, Ledoyer (1969)[7] synonymized Ericthonius macrodactylus as a hyperadult form of Ericthonius pugnax. Examination of the Pulau Tioman specimens confirms the presence of this hyper adult morphology: that the basis of pereopod 5 possesses a strongly developed posterodistal lobe. The Pulau Tioman specimens are undoubtedly assigned to Ericthonius pugnax and constitute the first record of this species for Peninsular Malaysia.
Taxon Treatment
- Azman, B; Othman, B; 2013: Shallow water marine gammaridean amphipods of Pulau Tioman, Malaysia, with the description of a new species ZooKeys, 335: 1-31. doi
Other References
- ↑ 1.0 1.1 Walker A (1904) Report on Amphipoda collected by Professor Herdman, at Ceylon, in 1902. Report of the Government of Ceylon Pearl Oyster Fishery of the Gulf of Manaar 17: 229-300.
- ↑ Pirlot J (1938) Les amphipodes de l’expedition du Siboga. Deuxieme partie. Les amphipodes gammarides III. Les amphipodes littoraux. 2. Familles des Dexaminidae, Talitridae, Aoridae, Photidae, Ampithoidae, Corophiidae, Jassidae, Cheluridae et Podoceridae. Siboga-Expeditie 33f: 329–359.
- ↑ Hurley D (1954) Transactions of the Royal Society of New Zealand 82: 431-460.
- ↑ 4.0 4.1 4.2 Nagata K (1960) Preliminary notes on benthic gammaridean Amphipoda from the Zostera region of Mihara Bay, Seto Inland Sea, Japan. Publications of the Seto Marine Biological Laboratory 8: 163-182.
- ↑ Nagata K (1965b) Studies on marine Gammaridean Amphipoda of the Seto Inland Sea III. Publication of Seto Marine Biological Laboratory 13(4): 291-322.
- ↑ Nayar K (1967) On the Gammaridean Amphipoda of the Gulf of Mannar, with Special Reference to those of the Pearl and Chank Beds. Proc. Symp. Crustacea, Ernakulam: 133–168.
- ↑ 7.0 7.1 7.2 Ledoyer M (1969) Amphipodes tubicoles des feuilles des herbiers de phanérogames marines de la région de Tulear (Madagascar). Recueil des Travaux de la Station Marine Endoume, Fascicule hors série Supplement 9: 179-182.
- ↑ Hirayama A (1985) Taxonomic studies on the shallow water Gammaridean Amphipoda of west Kyushu, Japan. IV. Dexaminidae (Guernea), Eophiliantidae, Eusoridae, Haustoriidae, Hyalidae and Ischyroceridae. Publication of Seto Marine Biological Laboratory 30(1/3): 1–53.
- ↑ Ledoyer M (1982a) Les Oedicerotidae (Crustacea Amphipoda) De La Mer Mediterranee. Memorie del Museo Civico di Storia Naturale di Verona 9: 45-84.
- ↑ 10.0 10.1 10.2 Moore P (1988) Taxonomic observations on the genera Xenocheria Haswell and Ericthonius Milne-Edwards (Crustacea: Amphipoda) from Australian coastal waters. Journal of Natural History 22: 705-732. doi: 10.1080/00222938800770461
- ↑ Kim W, Kim C (1991) The Marine Amphipod Crustaceans of Ulreung Island, Korea: Part 1. Korean J. Zool. 34: 232-252.
- ↑ Ledoyer M (1982c) Faune de Madagascar. Crustaces Amphipodes Gammariens; Families des Haustoriidae a’ Vitjazianidae. Centre National de la Recherche Scientifique-Paris 59(2).
- ↑ Ledoyer M (1986) Faune mobile des herbiers de phanerogames marines (Holodule et Thalassia) de la lagune de terminus (Mexique,Campeche). II. Les Gammariens (Crustacea). An. Inst. Cienc. del Mar y Limnol. Univ. Nal. Auton. Mexico 13(3): 171-200.
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