Species Card of Copepod
Calanoida ( Order )
    Spinocalanoidea ( Superfamily )
        Spinocalanidae ( Family )
            Spinocalanus ( Genus )
Spinocalanus magnus  Wolfenden, 1904   (F,M)
Syn.: Spinocalanus latifrons Sars, 1907 a (p.5);
Spinocalanus heterocaudatus Rose, 1937 (p.151, figs.F); Mazza, 1966 (p.70); no Rose, 1942 a (p.315, figs.M);
Spinocalanus pacificus Mori, 1942;
no S. magnus : Bradford, 1971 b (p.18, figs.F)
Ref.:
Wolfenden, 1904 (p.118, Descr.F); Farran, 1905 (p.30, figs.F); Wolfenden, 1906 (p.42, figs.F, Descr.F); Farran, 1908 b (p.27); Wolfenden, 1911 (p.216, figs.F); With, 1915 (p.72, Rem.); Lysholm & Nordgaard, 1921 (p.11); Sars, 1925 (p.33, figs.F); Farran, 1926 (p.243); 1929 (p.208, 227, Rem.); Sewell, 1929 (p.95); Rose, 1933 a (p.85, figs.F); Jespersen, 1934 (p.52); Lysholm & al., 1945 (p.11); Vervoort, 1946 (p.150, Rem.); Davis, 1949 (p.22, figs.F); Brodsky, 1950 (1967) (p.125, figs. F); Farran & Vervoort, 1951 g (n°39, p.3, figs.F); Vervoort, 1951 (p.71, Rem.); Tanaka, 1956 c (p.391, figs.F,M); Vervoort, 1957 (p.41, Rem.); Harding, 1966 (p.33, figs.M, juv.F); Grice & Hulsemann, 1967 (p.21, Rem.M); Park, 1970 (p.475, 491, Rem.); Minoda, 1971 (p.21); Grice, 1971 (p.275, 280, figs.F); Vidal, 1971 a (p.18, 23, 119, figs.F,M, Rem.M); Damkaer, 1975 (p.26, figs.F, M, Rem.); Brodsky & al., 1983 ( p.257, figs.F,M, Rem.); Bradford-Grieve, 1994 (p.104, figs.F,M); Lapernat, 1999 (p.27, 55, Rem.); Bradford-Grieve & al., 1999 (p.878, 914, figs.F,M); Boxshall & Halsey, 2004 (p.197: fig.M); Vives & Shmeleva, 2007 (p.836, figs.F,M, Rem.); Park & Ferrari, 2009 (p.143, Appendix 1)
Species Spinocalanus magnus - Plate 1 of morphological figuresissued from : Brodsky K.A., Vyshkvartseva N.V., Kos M.S. & Markhaseva E.L. in Opred. Faune SSSR, 1983, 135. [p.258, Fig.118].
Female.
Gnb = first inner lobe of Mx1; Gn = genital somite (ventral view).


Species Spinocalanus magnus - Plate 2 of morphological figuresissued from : O. Tanaka in Publ. Seto Mar. Biol. Lab., V (3). [p.392, Fig.15].
Female: a, habitus (dorsal); b, head (left lateral view); c, last thoracic segment and urosome; (left side); d, P1; e, P2.
Male: f, last thoracic segment with P5 and urosome (left lateral view); g, P5.


Species Spinocalanus magnus - Plate 3 of morphological figuresissued from : D.M. Damkaer in NOAA Technical Report NMFS CIRC-391, Seattle, 1975. [p.27, Fig.35-41; p.63, Fig.150].
Female: 35, habitus (right lateral side); 36, idem (dorsal); 37, idem (dufferent specimen); 38, distal part of prosome and urosome (dorsal); 150, terminal segments of A1.

Male: 39, habitus (dorsal); 40, idem (left lateral side); 41, P5.


Species Spinocalanus magnus - Plate 4 of morphological figuresissued from : G.D. Grice in Cah. Biol. Mar., 1971, XII. [p.278, Fig.3 G-H].
Female (from Medit.): G, habitus (lateral right side); H, Mxp.


Species Spinocalanus magnus - Plate 5 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.125, Fig.43].
Female (from NP: NW Pacif; Ar: Arctic): habitus (dorsal and lateral left side); S1, P1; S3, P3; CDo, anal segment and caudal rami (dorsal).
Nota: Caudal rami asymmetrical (left ramus longer than right ramus).


Species Spinocalanus magnus - Plate 6 of morphological figuresissued from : G.P. Farran in Ann. Rep. Fish. Brch., Ireland, 1902-1903, II, App. 2, 1905. [Plate III, Figs.1-12].
Female (from W Ireland): 1-2, habitus (dorsal and lateral, respectively); 3, proximal portion of A1; 4, A2; 5, Md; 6, Mx1; 7, Mx2; 8, Mxp; 9-111, P1 to P3; 12, basal segment of P4.


Species Spinocalanus magnus - Plate 7 of morphological figuresissued from : M. Rose in Annls Inst. océanogr., Monaco, n. ser., 1937, XVII, 2. [p.152, Fig.1]. As Spinocalanus heterocaudatus.
Female (from Alger Bay, Algeria): habitus (lateral and dorsal, respectively); Abd, urosome; A. G., genital segment (ventral); F, caudal rami.
Nota: corners of the last thoracic segment reaching end of the genital segment. asymmetrical setae of the caudal rami very asymmetrical and curved. Endopodite of P1 with 5 setae.


Species Spinocalanus magnus - Plate 8 of morphological figuresissued from : M. Rose in Annls Inst. océanogr., Monaco, n. ser., 1937, XVII, 2. [p.153, Fig.2]. As Spinocalanus heterocaudatus.
Female: A1; A2; Mx2 (as Mxp1); Mxp (as Mxp2); P4.


Species Spinocalanus magnus - Plate 9 of morphological figuresissued from : M. Rose in Annls Inst. océanogr., Monaco, n. ser., 1937, XVII, 2. [p.155, Fig.3]. As Spinocalanus heterocaudatus.
Female: Mx1 (as Mx); Md; P1; P2; P3.


Species Spinocalanus magnus - Plate 10 of morphological figuresissued from : R.N. Wolfenden in Die Marinen Copepoden der Deutschen Südpolar-Expedition 1901-1903, 1911. [217, Fig.8].
Female: a, habitus (dorsal); b, posterior part cephalothorax and urosome (lateral).


Species Spinocalanus magnus - Plate 11 of morphological figuresIssued from : G.O. Sars in Résult. Camp. Scient. Prince Albert I, 69, pls.1-127 (1924). [Pl.IX, figs. 8-9].
Female: 8, habitus (lateral); 9, idem (dorsal).


Species Spinocalanus magnus - Plate 12 of morphological figuresIssued from : G.O. Sars in Résult. Camp. Scient. Prince Albert I, 69, pls.1-127 (1924). [Pl.IX, figs. 10-11].
Female: 10, A2; 11, Mxp.


Species Spinocalanus magnus - Plate 13 of morphological figuresIssued from : G.O. Sars in Résult. Camp. Scient. Prince Albert I, 69, pls.1-127 (1924). [Pl.IX, figs. 12-15].
Female: 12, P1; 13, P2; 14, P3 (exopod inciomplete); 15, P4.


Species Spinocalanus magnus - Plate 14 of morphological figuresissued from : P.E. Lapernat & C. Razouls in Vie Milieu, 2002, 52 (1). [p.28, Pl. VI, fig.5].
Masticatory edge of Md gnathobase female (from off Malta, Mediterranean Sea).

Nota: Itoh's index: 498.1 (number of teeth : 9).


Species Spinocalanus magnus - Plate 15 of morphological figuresissued from : P.E. Lapernat & C. Razouls in Vie Milieu, 2002, 52 (1). [p.20, Pl. I, fig.5].
Masticatory edge of Md gnathobase female (from off Malta, Mediterranean Sea).

Compl. Ref.:
Damas & Koefoed, 1907 (p.400, tab.II); Massuti Alzamora, 1942 (p.110); Sewell, 1948 (p.347, 508, 555, 566, 569); C.B. Wilson, 1950 (p.341); Østvedt, 1955 (p.14: Table 3, p.59); Fagetti, 1962 (p.17); Grice, 1962 a (p.101); M.W. Johnson, 1963 (p.89, Table 1, 2); V.N. Greze, 1963 a (tabl.2); Harding, 1966 (p.17, 65, 66, 71); Sewell, 1948 (p.347, 495, 508, 513, 526, 545, 548, 555, 566, 568, 574); Grice, 1963 a (p.495); Unterüberbacher, 1964 (p.20); De Decker & Mombeck, 1964 (p.14); Grice & Hulsemann, 1965 (p.223); Fleminger, 1967 a (tabl.1); Dunbar & Harding, 1968 (p.319, 320); Vinogradov, 1968 (1970) (p.266, 258); Roe, 1972 (p.277, tabl.1, tabl.2); 1972 a (p.329); Björnberg, 1973 (p.322, 389); Harding, 1974 (p.141, Table 2, 3, gut contents); Vives & al., 1975 (tab.II, XII); Deevey & Brooks, 1977 (p.256, tab.2, Station "S");Vives, 1982 (p.290); Kovalev & Schmeleva, 1982 (p.83); Roe, 1984 (p.356); Scotto di Carlo & al., 1984 (1042); Guangshan & Honglin, 1984 (p.118, tab.); Brenning, 1985 a (p.28, Table 2); Lozano Soldevilla & al., 1988 (p.58); Scotto di Carlo & al., 1991 (p.270); Hattori, 1991 (tab.1, Appendix); Mumm, 1993 (tab.1, fig.2); Shih & Young, 1995 (p.74); Hure & Krsinic, 1998 (p.41, 100); Padmavati & al., 1998 (p.349); Hure & Krsinic, 1998 (p.41, 100); Razouls & al., 2000 (p.343, tab. 5, Appendix); Lapernat & Razouls, 2001 (tab.1); Weikert & al., 2001 (p.229, fig.7, Rem.); Holmes, 2001 (p.42); Yamaguchi & al., 2002 (p.1007, tab.1); Vukanic, 2003 (139, tab.1); Ikeda & al., 2006 (p.1791, Table 2); Gaard & al., 2008 (p.59, Table1, N Atlantic Mid-Ridge); Darnis & al., 2008 (p.994, Table 1); Galbraith, 2009 (pers. comm.); Homma & Yamaguchi, 2010 (p.965, Table 2); Schnack-Schiel & al., 2010 (p.2064, Table 2: E Atlantic subtropical/tropical); Mazzocchi & Di Capua, 2010 (p.427); Medellin-Mora & Navas S., 2010 (p.265, Tab. 2)
NZ: 20

Distribution map of Spinocalanus magnus by geographical zones
Species Spinocalanus magnus - Distribution map 4issued from : W. Vervoort in B.A.N.Z. Antarctic Reseach Expedition, Reports - Ser. B, Vol. III, 1957 [Fig.11]
Chart showing the geographical distribution (white circle) in the seas surrounding the Antarctic continent.
Nota: In this chart the area frequented by whaling vessels has been hatched. The Antarctic circle (66°.5 S) has been drawn as a broken line. The numbers I to VI refer to the sectors into which the Antarctic seas are divided according to Mackintosh (1942) (after Vervoort, 1951).
Loc:
Antarct. (Péninsule, Mer de Weddell, Atlant. SW, Indien, Pacif. SW, Mer de Ross), sub-Antarct. (Indien, Pacif. SE), Afr. S (E), Namibie, Atlant. SE, Mauritanie, Canaries, off Cap Finisterre W, G. de Gascogne, Açores, Mer des Antilles, Caribbean Colombia, G. du Mexique, Mer des Sargasses, Station "S" (32°10'N, 64°30'W), off E Cape Cod, Davis Strait, Baie de Baffin, Arct. (Fletcher's Ice Is., SE Beaufort Sea), Féroé, off Irlande W, Mer de Norvège, Mer du Nord*, Baie Ibéro-marocaine, Médit. (Mer d'Alboran, Médit. W, Ligurian Sea, Tyrrhenian Sea, off Malte, Adriatique S, Ionienne, Médit. E), Mer Arabe, off Laquedives S, Indien, Indonésie-Malaisie, mers de Chine (East China Sea, South China Sea), Japon, off Sanriku, Pacif. NW, Mer de Béring, Arct., bassin polaire, Mer de Chukchi, Pacif. W (équatorial), Pacif. (équatorial), off British Columbia, off Californie, Is. Tuamotu, off Galapagos, Chili
N: 82
Lg.:
(1) F: 2,4; (7) F: 2,8; (10) F: 2,8-2,6; (13) F: 3,1-1,87; M: 2,43-1,8; (22) F: 3-2,6; (25) F: 2,75-2,35; (28) F: 2,45-1,88; (31) F: 2,65-2,4; (35) F: 2,76-2,4; (38)?F : 2,67-2,58; (55) F: 2,5; M: 2,13; (58) F: 2,9; (59) F: 2,9-2,2; (67) M: 2; (88) F: 2,44-2,16; (199) F: 2,96-2,28; M: 2,43; (208) F: 2,5; (229) F: 2,75; (238) F: 2,8-2,75; (340) F: 2,35; 2,1; (432) F: 2,95-2,87; (545) F: 2; {F: 1,87-3,10; M: 1,80-2,43}
Rem.: epi-mesopelagic to abyssal.
Sampling depth (Antarct., sub-Antarct.) : 400-1000 m. Sargasso Sea: 500-2000 m. In vertical tow 2000-1000 m (slope) and 4000-3000 m (Sargasso Sea) (Harding, 1974).
Brodsky & al. (1983, p.260) consider that there is no synonymy between the males of this species and those of S. spinipes.
For Rose (1937, p.157) Spinocalanus heterocaudatus differs from S. magnus, also observed in Alger's Bay.
For Vervoort (1957, p.42) this species is closely allied with Spinocalanus antarcticus. According to Wolfenden's description the female of S. anracticus have the A1 slightly shorter (they reach the 3rd urosomal somite), the lateral thoracic margin is less produced, whilst there are additional small differences in the proportional lengths and shape of the cephalothorax and urosome. Comparison of the drawings of females of both forms in dorsal aspect in Wolfenden (1911, textfigs. 8, 9) gives the impression that two widely different species have been figured. In spite of these discrepancies in general outline of the body, Vervoort is not fully convinced that the two forms are really so very different.
: R. Stephen, 2007 : Data sheets of NIO, Kochi, India (on line).
Last update : 26/03/2013
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