Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Spinocalanoidea ( Superfamille )
        Spinocalanidae ( Famille )
            Spinocalanus ( Genre )
Spinocalanus similis  Brodsky, 1950   (F,M)
Syn.: Spinocalanus similis profundalis (M) Brodsky, 1955 a (p.185, figs.M)
Ref.:
Brodsky, 1950 (1967) (p.129, figs. F,M); Arashkevich, 1969 (p.700, figs.F); Damkaer, 1975 (p.44, figs.F,M); Brodsky & al., 1983 (p.292, figs.F,M, Rem.); Schulz, 1989 (p.189: Rem.); Bode & al., 2017 (p.600, Table I, fig. 2, 3, 4, morphology vs genetic).
Espèce Spinocalanus similis - Planche 1 de figures morphologiquesissued from : Brodsky K.A., Vyshkvartseva N.V., Kos M.S. & Markhaseva E.L. in Opred. Faune SSSR, 1983, 135. [p.293, Fig.141].
Female: a, habitus (diorsal view); b, idem (left lateral view); P. md: palp of Md; Md: masticatory edge of Md; Mxp: basipodal segments 1 and 2 of Mxp.


Espèce Spinocalanus similis - Planche 2 de figures morphologiquesissued from : Brodsky K.A., Vyshkvartseva N.V., Kos M.S. & Markhaseva E.L. in Opred. Faune SSSR, 1983, 135. [p.294, Fig.142].
Male: a, habitus (dorsal view); b, idem (left lateral view); Mxp: basipodas segments 1 and 2 of Mxp; Md: masticatory edge of Md. lb = left; np = right.


Espèce Spinocalanus similis - Planche 3 de figures morphologiquesissued from : D.M. Damkaer in NOAA Technical Report NMFS CIRC-391, Seattle, 1975. [p.45, Fig.86-97].
Female: 86, Female: habitus (dorsal); 87, idem (lateral left side); 88, basipod 1 and 2 of Mxp; 89, P1; 90, P2; 91, P3; 92, P4 (exopoddite incomplete); 154, terminal segments of A1.

Male: 93, habitus (dorsal); 94, idem (left lateral side); 95, masticatory edge of Md; 96, basipod segments 1 and 2 of Mxp; 97, P5.


Espèce Spinocalanus similis - Planche 4 de figures morphologiquesIssued 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.129 , Fig.47].
Female (from NW Pacif.): habitus (dorsal and lateral right side); posterior part of thoracic segments and urosome (dorsal); urosome (lateral right side); S1, P1; S3, P3.
Nota: Cephalothorax 2.25 times abdominal length. Anal segment long, slightly longer than preceeding segment and equal to caudal rami. Caudal rami sligthly asymmetrical with larger right ramus. Genital segment only slightly shorter than the following two segments, ventral process greatly protruding but rounded. 2nd exopodal segment of P3 and P4 bearing two rows of spines, lower row composed of wide lamellar spines; distal segments with three groups of spines. 2nd and 3rd endopodal segments bearing tworows of spines; Basipod with three groups of spines. Exopod of P1 bearing long thin outer spines with apex protruding beyond the bases of the next spines; distal segment with naked posterior surface.

Male: S5, P5.


Espèce Spinocalanus similis - Planche 5 de figures morphologiquesIssued from : M. Bode, S. Laakmann, P. Kaiser, W. Hagen, H. Auel & A. Cornils in J. Plankton Res., 2017, 39 (4). [p.604, Table I].
Species identified via morphological and molecular analyses, including the number of specimens used for each identification method (MI: morphological identification, COI: cytochrome c oxydase subunit I gene fragment, MS: MALDI-TOF analysis, 18 S: ribosomal 18 S gene fragment).
Cryptic lineages were revealed only after molecular analysis.
Sampling depth, latitude, total length (TL) and Prosome/Urosome ratio (Pr:Ur) of taxon were recorded.
morphological characters are only listed here, if the identification was ambiguous due to missing body parts or if cryptic or pseudocryptic lineages were revealed during molecular analyses.
For diagnostic character of species refer to the references: Park, 1970; Grice, 1971; Damkaer, 1975; Schulz, 1989, 1996.
C = coxa; B = basis; P = swimming legs.

Ref. compl.:
Hattori, 1991 (tab.1, Appendix); Yamaguchi & al., 2002 (p.1007, tab.1); Galbraith, 2009 (pers. comm.); Homma & Yamaguchi, 2010 (p.965, Table 2); Homma & al., 2011 (p.29, Table 2, 3, abundance, feeding pattern: suspension feeders); Sano & al., 2013 (p.11, Table 6, Rem.: p.21, food habits)
NZ: 5

Carte de distribution de Spinocalanus similis par zones géographiques
Loc:
Japan (off Sanriku), Station Knot (44°N, 155°E), NW Pacif., Kuril-Kamchatka, S Okhotsk Sea, Bering Sea, S Aleutian Basin, S Aleutian Is., British Columbia (rare), NW off Clipperton Is., SE Atlant. (25°S, 10°E)
N: 8
Lg.:
(13) F: 1,5-1,03; M: 1,6-1,4; (22) F: 1,5-1,4; M: 1,6-1,5; (1252) F: 1,63-1,76; {F: 1,03-1,76; M: 1,40-1,60}
Rem.: Bathy & abyssopélagique.
Voir aussi les remarques en anglais
Dernière mise à jour : 25/03/2020

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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 03 décembre 2020]

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