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Calanoida ( Order ) |
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Metridinidae ( Family ) |
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Metridia ( Genus ) |
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Metridia okhotensis Brodsky, 1950 (F,M) | |
| | | | | | | Syn.: | Metridia ochotensis : Motoda, 1966 (p.260); Vinogradov, 1968 (1970) (p.54, 56, 58, 60, 65, 109, 124, 291); Coyle & al., 1990 (p.763); Park, W & al., 2004 (p.464, tab.1);
? Metridia longa : Davis, 1949 | | | | Ref.: | | | Brodsky, 1950 (1967) (p.293, Descr.F, figs.F); Tanaka, 1963 (p.19, figs.F); Shih & al., 1971 (p.148, Rem.); Minoda, 1971 (p.35); Brodsky, 1977 (p.4, Descr.M, figs.M, juv.M); Gardner & Szabo, 1982 (p.326, figs.F); Szabo & Gardner, 1986 (p.1555, figs.F,M, juv., Appendix); Chihara & Murano, 1997 (p.837, tab.6, Pl.129: F) |  issued from : O. Tanaka in Publs Seto Mar. Biol. Lab., 1963, XI (1). [p.20, Fig.158]. Female: a, habitus (dorsal); b, A1 (segments 1-14); c, last thoracic segment and genital somite (left lateral side); d, P5. Nota: The urosome segments and furca are in the proportional lengths: 38:22:19:21 = 100.
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 Issued from : K.A. Brodskii in Calanoida of the Far Eastern Seas and Polar Basin of the USSR. Opred. Fauna SSSR, 1950, 35 (Israel Program for Scientific Translations, Jerusalem, 1967) [p.293, Fig.199]. Female (from S Okhotsk Sea): habitus (dorsal and lateral left side); Do, urosome (dorsal); S5, P5.
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 issued from : I. Szabo & G.A. Gardner in Can. J. Zool., 1986, 64 (7). [p.1559, Fig.3]. Female (from British Columbia): habitus (dorsal and lateral right side) and swimming legs. Nota: Prosome: urosome ratio 1.81 ±0.09 (at 95% confidence interval). metasome 3-segmented. A1 22-segmented, symmetrical, no longer than prosome Scale bar refers tu habitus only.
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 issued from : I. Szabo & G.A. Gardner in Can. J. Zool., 1986, 64 (7). [p.1559, Fig.3]. Male (from British Columbia): habitus (dorsal and lateral right side), A1 (distal portion), and swimming legs. Nota: Prosome:urosome ratio 1.70 ± 0.08 (at 95% confidence interval). A1 20-segmented, left geniculate (articulating between segments 17-18).< Scale bar refers tu habitus only.
| | | | | Compl. Ref.: | | | Omori, 1969 (p.5, Table 1); Morris, 1970 (p.2301); Gordon & al., 1985 (p.89, Table 2, 3, 4, fish diet); Mackas & Anderson, 1986 (p.115, Table 2); Sasaki al., 1988 (p.505, tab.1, fecal pellets flux); Hattori, 1989 (p.39); Hattori, 1991 (tab.1, Appendix); Shih & Marhue, 1991 (tab.2); Kotani & al., 1996 (tab.2); Bragina, 1999 (p.196); Yamaguchi & al., 2002 (p.1007, tab.1); Yamaguchi & al., 2004 (p.480, tab.2); Ikeda & al., 2006 (p.1791,Table 2); Liu & Hopcroft, 2008 (p.931: Table IV); Kobari & al., 2008 (p.1648, coppodids I-VI, depth distribution); Takahashi & al., 2008 (p.222, Table 2, grazing impact); Galbraith, 2009 (pers. comm.); Takahashi & al., 1777, vertical distribution, downward carbon transport); Kobari & al., 2010 (p.1703: feeding, fig.3); Yamaguchi & al., 2010 (p.1679, figs.4, 10, population structure); Yamaguchi & al., 2010 (p.1691, figs.2, 5, 9, Table 2, vertical distribution); Homma & Yamaguchi, 2010 (p.965, Table 2) | | | | NZ: | 3 | | | | | | | Loc: | | | Japon (Izu, Onagawa, off Sanriku), Hokkaido, off Hokkaido SE, Oyashio region), off Kouriles SE, Mer d'Okhotsk, Mer de Béring, off Aléoutiennes S, Station Knot, Alaska (Auke Bay, Icy Strait), British Columbia , Fjord system (Alice Arm & Hastings Arm), Portland Inlet, Vancouver Is. | | | | N: | 32 | | | | Lg.: | | | (22) F: 4,5; (26) F: 4,8; (208) F: 4,5; (834) M: 2,9-3,1; (869) F: 4,14-4,11; M: 2,77-2,75; {F: 4,11-4,50; M: 2,75-3,10} | | | | Rem.: | épi-méso-bathypelagic.
The species is allied to M. longa.For Szabo & Gardner (1986 (p.1560) M. okhotensis males are smaller (ca. 2.8 mm vs. 3.6 for M. longa) and the A1 is no longer than the prosome, whereas in M. longa the A1 reaches the urosome. Both species have 3 free thoracic segments, but in M. longa an incomplete fusion line on the cephalothorax demarcates a fused 4th segment. The terminal segment of the left P5 is much more slender in M. longa than in M. okhotensis. | | | Last update : 17/04/2013 | |
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 Any use of this site for a publication will be mentioned with the following reference :
Razouls C., de Bovée F., Kouwenberg J. et Desreumaux N., 2005-2012. - Diversity and Geographic Distribution of Marine Planktonic Copepods. Available at http://copepodes.obs-banyuls.fr/en
[Accessed May 18, 2013] © copyright 2005-2012 CNRS, UPMC
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