Species Card of Copepod
Calanoida ( Order )
    Metridinidae ( Family )
        Metridia ( Genus )
Metridia longa  (Lubbock, 1854)   (F,M)
Syn.: Calanus longus Lubbock,1854;
Metridia armata Boeck,1864;
Cf.: in Shih & al., 1971 (p.148)
Ref.:
Giesbrecht, 1892 (p.339, 345, figs.F,M); Giesbrecht & Schmeil, 1898 (p.106); Sars, 1900 (p.99, figs.F,M); 1902 (1903) (p.112, figs.F,M); Lysholm, 1913 (p.6); Willey, 1920 a (p.15); Lysholm & Nordgaard, 1921 (p.23); Sars, 1925 (p.198); Campbell, 1929 (p.316, Rem.); Wilson, 1932 a (p.120, figs.F,M); Rose, 1933 a (p.177, figs.F,M); Jespersen, 1934 (p.93, fig.25, 26, Rem.); 1940 (p.44, fig.5); Lysholm & al., 1945 (p.32); Farran, 1948 c (n°14, p.3, figs.F); ? Davis, 1949 (p.49, fig.F, Rem.); Brodsky, 1950 (1967) (p.292, figs.F,M); Marques, 1953 (p.109); Vidal, 1971 a (p.13, 23, 115, figs.F,M); Arcos, 1975 (p.17, figs.F,M); Szabo & Gardner, 1986 (p.1560: Appendix, Rem.); Lapota & al., 1988 (fig.N, bioluminescence); Razouls, 1994 (p.142, figs.F,M, Rem.); Karlson & Bamstedt, 1994 (p.79, fig.2: Md); Bucklin & al., 1995 (p.658); Bradford-Grieve & al., 1999 (p.884, 948, figs.F,M); Vives & Shmeleva, 2007 (p.362, figs.F,M, Rem.)
Species Metridia longa - Plate 1 of morphological figuresissued from : G.O. Sars in An Account of the Crustacea of Norway. Vol. IV. Copepoda Calanoida. Published by the Bergen Museum, 1903. [Pl.LXXV].
Female & Male.
Nota: Sens.app = aesthetasc on A1 male.


Species Metridia longa - Plate 2 of morphological figuresissued from : G.O. Sars in An Account of the Crustacea of Norway. Vol. IV. Copepoda Calanoida. Published by the Bergen Museum, 1903. [Pl.LXXVI].
Female.
Nota: R = rostrum (frontal view); M = Md; m = Mx1; mp1 = Mx2; mp2 = Mxp.


Species Metridia longa - Plate 3 of morphological figuresIssued 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.292, Fig.198].
Female (from Arctic): habitus (dorsal and lateral left side); Do, urosome (dorsal); S5, P5.

Male: habitus (dorsal and lateral left side); S5, P5.


Species Metridia longa - Plate 4 of morphological figuresissued from : D.F.R. Arcos in Gayana, Zool., 1975, 32. [Lam.V, Figs.42-45].
Female (from Bahia de Concepcion, Chile): 44, P5; 45, P2.

Male: 42-43, habitus (dorsal and lateral, respectively).

Compl. Ref.:
Mrazek, 1902 (p.515, 523); Damas & Koefoed, 1907 (p.396, tab.II, III); Bogorov, 1939 b (p.706); Wilson, 1942 a (p.194); Sewell, 1948 (p.349, 512, 514, 526, 548, 559, 567, 568); C.B. Wilson, 1950 (p.264); King & Hida, 1955 (p.11); Fagetti, 1962 (p.26); Grice, 1962 a (p.101); 1963 a (p.496); M.W. Johnson, 1963 (p.89, Table 1, 2); De Decker & Mombeck, 1964 (p.13); Sherman & Schaner, 1965 (p.618, parasitisme); Grice & Hulsemann, 1965 (p.224); Harding, 1966 (p.17, 65, 66); Pertsova, 1967 (p.240); Dunbar & Harding, 1968 (p.319); Vinogradov, 1968 (1970) (p.61, 65, 90, 266); Paulmier, 1971 (p.168); Shih & al., 1971 (p.40, 205); Björnberg, 1973 (p.337, 387); Deevey & Brooks, 1977 (tab.2); Vives, 1982 (p.293); Tande & Grønvik, 1983 (p.43); Peruyeva, 1984 (p.613); Sameoto & al., 1986 (p.53); Groendahl & Hernroth, 1986 (tab.1); Lapota & al., 1986 (p.887); Tiselius, 1988 (p.221); Smith, 1988 (p.145, fig.9); Kosobokova, 1989 (p.27); Fransz & al., 1991 (p.9); Conover & al., 1991 (p.178); Hattori, 1991 (tab.1, Appendix); Hirche, 1991 (p.351); Buskey, 1992 (p.691, tab.1); Mumm, 1993 (tab.1, fig.2); Vinogradov & al., 1994 (tab.1); Richter, 1994 (tab.4.1a); Petryashov & al., 1995 (tab.1); Pedersen & al., 1995 (p.266, tabl.II); Kotani & al., 1996 (tab.2); Hanssen, 1997 (tab.3.1); Weslawski & Legezynska, 1998 (p.1238); Kosobokova & al., 1998 (tab.2); Mauchline, 1998 (tab.19, 21, 33, 38, 48, 58, 63, 64); Conover & Gustavson, 1999 (p.41, tab.6); Thibault & al., 1999 (p.1391); Razouls & al., 2000 (p.343, Appendix); Halvorsen & Tande, 1999 (p.279, figs.3, 5); Kosobokova & Hirche, 2000 (p.2029, tab.2); Holmes, 2001 (p.18, Rem.); Lischka & al., 2001 (p.186); Sameoto & al., 2002 (p.13); Beaugrand & al., 2002 (p.1692); Beaugrand & al., 2002 (p.179, figs.5, 6); Auel & Hagen, 2002 (p.1013, tab.2, 3); Kosobokova & al., 2003 (p.697, tab.2); Ashjian & al., 2003 (p.1235, figs.); Gislason & Astthorsson, 2004 (p.472, tab.1); CPR, 2004 (p.56, fig.164); Hopcroft & al., 2005 (p.198, table 2); Dmoch & Walczowski, 2005 (p.102 + poster); Blachowiak-Samolyk & al., 2006 (p.101, tab.1); Durbin & Casas, 2006 (p.2537, Table 2a, 2b); Lane & al., 2008 (p.97, Tab.4); Stepanyuk & al., 2008 (p.142, bioluminescence); Gaard & al., 2008 (p.59, Table 1, N Mid-Atlantic Ridge); Galbraith, 2009 (pers. comm.)
NZ: 17

Distribution map of Metridia longa by geographical zones
Loc:
Antarct. (Péninsule), Afr. S (E), Brésil, Angola, off Mauritanie, G. de Gascogne (Belon estuary), Gibraltar, Açores (rare), Mer des Sargasses, off Bermuda, off Cap Hatteras, G. du Maine, Baie de Fundy, Nouvelle-Ecosse, G. du St. Laurent, Terre-Neuve, off Nova Scotia E, Groenland W, Baffin (Lancaster Sound), Mer du Groenland, Islande, Féroé, Spitsbergen Is., Mer de Barents, Mer Blanche, Mer de Kara, Mer de Laptev, Mer de Chukchi, Arct. (central, Fletcher's Ice Is.), Nansen Basin, Canadian abyssal plain, Lomonosov Ridge, Barrow Strait, Bassin de Foxe, Mer de Norvège, Nordvestbanken, Balsfjorden, Raunefjorden, Skagerrak, Mer du Nord, Irlande W, Indien SW, Japon (Onagawa, off Sanriku), Japon N, Alaska, Mer de Béring, Colombie Britannique, off Californie, Hawaii, Pacif. équatorial central, off Is. de Pâques NE, Galapagos S, Chili
N: 112
Lg.:
(22) F: 4,5-4,1; M: 3,7-3,1; (45) F: 4,5-4; M: 4-3,5; (47) F: 4,1; M: 3,5; (59) F: 4,5-3,7; M: 4-3,1; (65) F: 4,3; M: 3,7; (75) F: 2,25; 1,64; M: 1,66; 1,59; (134) F: ± 4,3; (377) F: 4,8; M: 3,75; (787) M: 3,3; (796) F: 4-3,55; {F: 1,64-4,50; M: 1,59-4,00}
Rem.: Meso-bathypelagic.
Sampling depth (Antarct.) : 0-200 m.
The dimensions given by Marques (1953) seem abnormally small, but the temperature is also higher than for the other geographical distribution data.
For Brodsky (1967, p.293) this species plays a role in the nutrition of planktophagous fishes.
See remarks in M. okhotensis.
According to Willey (1920, p.15) A.E. Nordenskiold (1881) points to << during the wintering at Mussel Bay the small crustacea can live by millions in water-drenched snow at a temperature of from – 2° to – 10°. An exceedingly intense bluish-white flash of light appears, which in the spectroscope gives a one-coloured labrador-blue spectrum. When the temperature [of the snow-sludge] sinks below – 10° C, the power of this animal to emit light appears to cease >>.
Last update : 23/04/2010
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