Metridia okhotensis - Fiche d'espèce - Copépodes planctoniques marins

Metridia okhotensis Brodsky, 1950 (F,M)

Taxonomy

Ordre Calanoida

détails

Famille Metridinidae

détails

Genre Metridia

détails liste des espèces pour ce genre

Abréviations ou symboles

Synonymie

Metridia ochotensis : Motoda, 1966 (p.260); Brodsky, 1964 (p.105, 107); 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); Pinchuk & Paul, 2000 (p.4, table 1, % occurrence, biomass: fig.5, 6, 7, 5, 9, 10, 23);
? Metridia longa : Davis, 1949

Références

Liste des auteurs étudiés

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)

Figures

Planche 1 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.

Species Metridia okhotensis - Planche 2 of morphological figures

Planche 2 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.

Species Metridia okhotensis - Planche 3 of morphological figures

Planche 3 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.

Species Metridia okhotensis - Planche 4 of morphological figures

Planche 4 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 to habitus only.

Références complémentaires

Liste des auteurs étudiés

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.); Chiba & al., 2009 (p.1846, Table 1, occurrence vs temperature change); 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); Homma & al., 2011 (p.29, Table 2, abundance, feeding pattern: suspension feeders); Takenaka & al., 2012 (p.1669, fig.2, 3, Table 1, bioluminescence); Kobari & al., 2013 (p.78, Table 2); Chiba S. & al., 2015 (p.968, Table 1: length vs climate)

Distribution

NZ: 3

Carte de distribution de Metridia okhotensis par zones géographiques

Cartes et graphiques additionels

Espèce Metridia okhotensis - Carte de distribution 2

Carte 2 Issued from : A.I. Pinvhuk & A.J. Paul in Univ. Alaska Sea Grant College Progr., 2000. [p.7, Fig.5].
A = vertical distribution of water temperazture. B = total zooplankton biomass (mg.m3). C = Metridia ochotensis biomass (mg.m3) on the profile along 54°19'N in summer 1965; mesh = 0.168. (from Kotlyar & Chernyavskiy, 1970b)

Espèce Metridia okhotensis - Carte de distribution 3

Carte 3 Issued from : A.I. Pinvhuk & A.J. Paul in Univ. Alaska Sea Grant College Progr., 2000. [p.7, Fig.6].
A = vertical distribution of water temperature. B = total zooplankton biomass (mg.m3). D = Metridia ochotensis biomass (mg.m3) on the profile along 57°16'N in summer 1967; mesh = 0.168. (from Kotlyar & Chernyavskiy, 1970b)

Espèce Metridia okhotensis - Carte de distribution 4

Carte 4 Issued from : A.I. Pinvhuk & A.J. Paul in Univ. Alaska Sea Grant College Progr., 2000. [p.11, Fig.9].
A = vertical distribution of water temperature. B = total zooplankton biomass (mg.m3). D = Metridia ochotensis biomass (mg.m3) on the profile along 151°20' E E in summers 1964 and 1965; mesh = 0.168. (from Kotlyar & Chernyavskiy, 1970b).

Espèce Metridia okhotensis - Carte de distribution 5

Carte 5 Issued from : A.I. Pinvhuk & A.J. Paul in Univ. Alaska Sea Grant College Progr., 2000. [p.9, Fig.7].
A = vertical distribution of water temperature. B = total zooplankton biomass (mg.m3). D = Metridia ochotensis biomass (mg.m3) on the profile along 147°33' E in summer 1964; mesh = 0.168. (from Kotlyar & Chernyavskiy, 1970b)

Espèce Metridia okhotensis - Carte de distribution 6

Carte 6 Issued from : A.I. Pinvhuk & A.J. Paul in Univ. Alaska Sea Grant College Progr., 2000. [p.10, Fig.8].
A = vertical distribution of water temperature. B = total zooplankton biomass (mg.m3). D = Metridia ochotensis biomass (mg.m3) on the profile along 147°35' E in summer 1967; mesh = 0.168. (from Kotlyar & Chernyavskiy, 1970b).

Espèce Metridia okhotensis - Carte de distribution 7

Carte 7 Issued from : A.I. Pinvhuk & A.J. Paul in Univ. Alaska Sea Grant College Progr., 2000. [p.12, Fig.10].
A = vertical distribution of water temperature. B = total zooplankton biomass (mg.m3). D = Metridia ochotensis biomass (mg.m3) between Cape Evreinov and Cape Hayryuzov in summers 1965 and 1967; mesh = 0.168. (from Kotlyar & Chernyavskiy, 1970b)

Carte 8 Issued from : A.I. Pinvhuk & A.J. Paul in Univ. Alaska Sea Grant College Progr., 2000. [p.20, Figs.22, 23]. From Kotlyar, 1965.
left chart (fig.22): Distribution of zooplankton biomass (mg.m3) in the 0-100 m layer in the northern Okhotsk Sea during August 1964.
Right chart (fig.23): Distribution of Metridia ochotensis biomass (mg.m3) in the 0-100 m layer in the northern Okhotsk Sea during August 1964.

Espèce Metridia okhotensis - Carte de distribution 9

Carte 9 Issued from : A.I. Pinvhuk & A.J. Paul in Univ. Alaska Sea Grant College Progr., 2000. [p.30, Fig.35 C].
Distribution of Metridia ochotensis biomass (mg.m3) in the 0-100 m layer in the Okhotsk Sea.
See legend in Metridia pacifica (fig.35 D) 1: September-October 1652 (extended line); 2: June-July 1951 (dotted line). (from Lubny-Gertsik, 1959).

Nota: Compare with Metridia pacifica (Fig. 35 D).

Localisations

Glossaire géographique

Japan (Izu, Onagawa, off Sanriku), Kuroshio region, Hokkaido, off SE Hokkaido, Oyashio region), off SE Kuril Is., Okhotsk Sea, Bering Sea, S Aleutian Basin, Station Knot, Alaska (Auke Bay, Icy Strait), British Columbia , Fjord system (Alice Arm & Hastings Arm), Portland Inlet, Vancouver Is.

Citations

N: 38

Dimensions (mm)

Références de auteurs concernant les dimensions

(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: 4,11-4,80; M: 2,75-3,10}

The mean female size is 4.410 mm (n = 5; SD = 0.2877), and the mean male size is 2.880 mm (n = 4; SD = 0.1610). The size ratio (male : female) is about 0.65.

Remarks: the size difference between male and female is not usual.

Chiba S. & al., 2015 (p.971, Table 1: Total length female (June-July) = 4.7 mm [optimal SST (°C) = 5.9].

Remarques

épi-méso-bathypélagique.

Voir aussi les remarques en anglais

Dernière mise à jour : 26/02/2019