Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Clausocalanoidea ( Superfamille )
        Euchaetidae ( Famille )
            Paraeuchaeta ( Genre )
Paraeuchaeta russelli  (Farran, 1936)   (F,M)
Syn.: Euchaeta russelli Farran, 1936 a (p.91, figs.F,M); Sewell, 1948 (p.553); Chiba, 1953 a (p.613, figs.F,M); Vervoort, 1957 (p.77); Tranter, 1977 (p.596, 598); Srrickler, 1982 (Rem.: p.159); Madhupratap & Haridas, 1986 (p.105, tab.1); Williams D. & al., 1988 (p.580);
Euchaeta daitomarui Mori, 1937 (1964) (p.48, figs.F); Ohtsuka & al., 2015 (p.123, Rem.: p.125: as daitoumarui);
Pareuchaeta russelli : Tanaka, 1958 (p.334, figs.F,M); Chen & Zhang, 1965 (p.56, figs.F,M); Tanaka & Omori, 1968 (p.250, figs.F); Itoh, 1970 a (p.4:tab.1); Zheng & al., 1982 (p.37, figs.F,M); Yoo, 1991 (tab.1); Shih & Young, 1995 (p.70); Park & Choi, 1997 (Appendix); Mauchline, 1998 (tab.42); Hwang & al., 2003 (p.193, tab.2); Lo & al., 2004 (p.89, tab.1); Wang & Zuo, 2004 (p.1, Table 2, dominance, origin); Zuo & al., 2006 (p.162: tab.1); Guo & al., 2011 (p.567, fig.7, table 2, abundance vs spatial distribution, indicator)
Ref.:
Bradford & al., 1983 (p.23); Park, 1994 (p.320); 1995 (p.85, Rem.F, M, figs.F,M); Chihara & Murano, 1997 (p.802, Pl.107,113: F,M); Jeong & al., 2011 (p.117, 119, figs.F,M, Rem.: genital aperture); Soh & al., 2013 (p.42, figs.F,M); Ohtsuka & al., 2015 (p.123, Table 2).
Espèce Paraeuchaeta russelli - Planche 1 de figures morphologiquesissued from : T. Park in Bull. Scripps Inst. Oceanogr. Univ. California, San Diego, 1995, 29. [p.192, Fig.82].
Female: a, forehead (left side); b, urosome (left); c, d, e, genital somite (left, right, ventral, respectively); f, distal end of urosome (dorsal); g, Mx1 (first inner lobe omitted), posterior; h, P1 (anterior); i, P2 (anterior).

Male: j, forehead (left); k, P1 (anterior); l, P2 (anterior); m, distal exopodal segments of left 5th leg (anterior, tilted counterclockwise); n, idem (medial, tilted clockwise).


Espèce Paraeuchaeta russelli - Planche 2 de figures morphologiquesissued from : O. Tanaka in Publs Seto Mar. Biol. Lab., 1958, VI (3). [p.335, Fig.65]. As Pareuchaeta russelli.
Female: a, habitus (dorsal); b, forehead (lateral left side); c, last thoracic segment and genital somite (lateral left side); d, genital field (ventral); e, outer margin of exopod 3 of P2.
Nota: The proportional lengths of the first three urosome segments are 23:13:12. A1 reaches the posterior corner of the last thoracic segment.

Male: f, P5; g, terminal segments of left P5.


Espèce Paraeuchaeta russelli - Planche 3 de figures morphologiquesissued from: Q.-c Chen & S.-z. Zhang in Studia Marina Sinica, 1965, 7. [Pl.17, 1-8].
Female (from E China Sea): 1, habitus (dorsal); 2, forehead (lateral); 3, urosome (lateral right side); 4, genital complex (ventral); 5, outer marginal spines of 2nd and 3rd exopodal segments of left P2 (posterior).

Male: 6, urosome (dorsal); 7, P5 (anterior); 8, distal segment of left P5 (anterior).


Espèce Paraeuchaeta russelli - Planche 4 de figures morphologiquesIssued from : G.P. Farran in Great Barrier Reef Expedition 1928-1929, Scient. Rep., V, N°3, 1936. [p.92, Fig.7]. As Euchaeta russelli.
Female: a, habitus (dorsal); b, forehead (lateral); c-d, genital segment (lateral, right and left respectively); e, idem (ventral); f, P1; g, exopodal segment 3 of P2.

Male: h, P5; i, terminal segment of exopodite of left P5.


Espèce Paraeuchaeta russelli - Planche 5 de figures morphologiquesissued from : Z. Zheng, S. Li, S.J. Li & B. Chen in Marine planktonic copepods in Chinese waters. Shanghai Sc. Techn. Press, 1982 [p.38, Fig.22-1]. As Pareuchaeta russelli.
Female: a, habitus (dorsal); b, forehead (lateral); c, urosome (lateral, left side); d, genital segment (ventral); e, A1; f, P2; g, portion of exopodal segments 2 and 3 of P2.
Scale bar in mm.


Espèce Paraeuchaeta russelli - Planche 6 de figures morphologiquesissued from : Z. Zheng, S. Li, S.J. Li & B. Chen in Marine planktonic copepods in Chinese waters. Shanghai Sc. Techn. Press, 1982 [p.39, Fig.22-2]. As Pareuchaeta russelli.
Male: h, habitus (dorsal); i, forehead (lateral); j, urosome (lateral, left side); k, portion of exopodal segments 2 and 3 of P2; l, P5; m-n, terminal segments of left P5; o-r, another specimen; o, forehead (lateral); p, P5; q-r, distal segments of left P5.
Scale bar in mm.


Espèce Paraeuchaeta russelli - Planche 7 de figures morphologiquesissued from : M.-K. Jeong, H.-L. Suh & H.Y. Soh in Ocean Sci., 2011, 46 (2). [p.119, Fig.2].
Female (E Korea): A-B, habitus (dorsal and lateral, respectively); C, genital double-somite (dorsal); D, A1.

Male: E-F, habitus (dorsal and lateral, respectively); G, P5; H, 2nd exopodal segment of left P5; I, A1.

Scale bars in micrometers.


Espèce Paraeuchaeta russelli - Planche 8 de figures morphologiques
Paraeuchaeta russelli Female:
1 - See key to species Groups and independent species of Paraeuchaeta (p.30).
2 - Right genital flange small, not well defined (Fig.82-e).
3 - Laterally, lateral plate of genital operculum projecting only slightly bryond genital flange (Fig.82-d).


Espèce Paraeuchaeta russelli - Planche 9 de figures morphologiquesIssued from : H.Y. Soh, S.Y. Moon & J.H. Wi in Invertebrate Fauna of Korea (eds) Incheon: NIBR, 2013, 21 (28). [p.43, Fig.24].
Female (from Korean waters): A-B, habitus (dorsal and lateral, respectively); C, A1.
Scale bars: A, B = 500 µm; C = 400 µm.


Espèce Paraeuchaeta russelli - Planche 10 de figures morphologiquesIssued from : H.Y. Soh, S.Y. Moon & J.H. Wi in Invertebrate Fauna of Korea (eds) Incheon: NIBR, 2013, 21 (28). [p.44, Fig.25].
Female: A, P1; B, P2; C, P3; D, P4.
Scale bars: 200 µm.


Espèce Paraeuchaeta russelli - Planche 11 de figures morphologiquesIssued from : H.Y. Soh, S.Y. Moon & J.H. Wi in Invertebrate Fauna of Korea (eds) Incheon: NIBR, 2013, 21 (28). [p.45, Fig.26].
Male: A-B, habitus (dorsal and lateral, respectively); C, A1.
Scale bars: A, B = 500 µm; C = 200 µm.


Espèce Paraeuchaeta russelli - Planche 12 de figures morphologiquesIssued from : H.Y. Soh, S.Y. Moon & J.H. Wi in Invertebrate Fauna of Korea (eds) Incheon: NIBR, 2013, 21 (28). [p.46, Fig.27].
Male: A, P1; B, P2; C, forehead (lateral); D, last thoracic segment and 1st urosomal segment (lateral); E, P5; F, distal segment of left P5.
A-E = 200 µm; F = 100 µm.


Espèce Paraeuchaeta russelli - Planche 13 de figures morphologiquesIssued from : T. Mori inThe Pelagic Copepoda from the neighbouring waters of Japan, 1937 (1964), Eds. The Soyo CO., INC. [Pl. 23, Figs.4-8]. As Euchaeta daitomarui (non E. pacifica).
Female (35°40'N, 152°30'E): 4, genital pore (ventral); 5, same (right side); 6, P2; 7, P1; 8, habitus (lateral).

Ref. compl.:
Hwang & al., 2006 (p.943, tabl. I); Dur & al., 2007 (p.197, Table IV); Park & Ferrari, 2009 (p.143, Table 8, biogeography); Tseng L.-C. & al., 2011 (p.47, Table 2, occurrences vs mesh sizes); Hwang & al., 2014 (p.43, Appendix A: seasonal abundance)
NZ: 4

Carte de distribution de Paraeuchaeta russelli par zones géographiques
Espèce Paraeuchaeta russelli - Carte de distribution 2Issued from : D.-h. Guo, J.-q. Huang & S.-j. Li in Cont. Shelf Res., 2011, 31. [p.573, Fig.7].
Distribution of Paraeuchaeta russelli abundance (ind/m3) during August 31 to September 3, 1988 (a); August 29 to September 8, 1994 (b); July 4 to 15, 2005 (c); and June 20 to July 2, 2006 (d).

Nota: The same sampling procedure was used for all cruises. Zooplankton samples were collected by vertical tows from 3 m of the bottom to the surface (plankton net : 505 µm mesh size).
The aim of the research is the relationship between copepods and associated water masses in the southern Taiwan Strait.
Loc:
E Indian (in Guérédrat, 1974, p.15), W Australia, China Seas (Yellow Sea, East China Sea, Taiwan Strait, South China Sea), Taiwan (SW & NW), S & E Korea, Japan Sea, Japan (Izu region), Australia (Great Barrier)
N: 29
Lg.:
(3) F: 4,16-3,88; M: 3,7-3,5; (34) F: 4,38-4,24; ; M: 4,08-3,74; (63) F: 3,76-3,5; M: 3,61-3,24; (91) F: ± 3,7; (99) F: 4,06-3,14; M: 3,45-3,10; (290) F: 3,6-3,75; M: 3,35-3,5; (866) F: 3,14-4,06; (1023) F: 3,45-3,71; M: 3,43-3,54; (1106) F: 3,52-3,86; M: 3,31-3,63; (1174) F: 3,52-3,86; M: 3,31-3,63; {F: 3,14-4,38; M: 3,10-4,08}

The mean female size is 3.759 mm (n = 17; SD = 0.3537), and the mean male size is 3.513 mm (n = 14; SD = 0.2411). The size ratio (male : female) is 0.929 (n = 7; SD = 0.2650) or ± 93 %.
Rem.: epi-mesopelagic.
For Itoh (1970 a, fig.2, from co-ordonates) the Itoh's index value of the mandibular gnathobase = 850.
Dernière mise à jour : 25/04/2019

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Razouls C., Desreumaux N., Kouwenberg J. et de Bovée F., 2005-2020. - Biodiversité des Copépodes planctoniques marins (morphologie, répartition géographique et données biologiques). Sorbonne Université, CNRS. Disponible sur http://copepodes.obs-banyuls.fr [Accédé le 01 décembre 2020]

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