Species Card of Copepod
Calanoida ( Order )
    Calanoidea ( Superfamily )
        Paracalanidae ( Family )
            Paracalanus ( Genus )
Paracalanus denudatus  Sewell, 1929   (F,M)
Syn.: no Calanus pygmaeus Claus, 1863 (p.174) (not clear);
Paracalanus pygmaeus : Sars, 1925 (p.24, figs.F); Rose, 1929 (p.16); 1933 a (p.74, figs.F); Massuti Alzamora, 1940 (p.4); 1942 (p.110); Vervoort, 1946 (p.126); Wilson, 1942 a (p.201); Sewell, 1948 (p.400); Farran & Vervoort, 1951 c (n°35, p.3, figs.F); Marques, 1961 (p.52); Fagetti, 1962 (p.12); Djordjevic, 1963 (p.576); Mazza, 1966 (p.69); Razouls, 1972 (p.17, figs.F); Vives & Shmeleva, 2007 (p.973, figs.F,M, Rem.)
Ref.:
Sewell, 1929 (p.66, Descr.F, figs.F); Farran, 1936 a (p.80, fig.F, Rem.); Sewell, 1947 (p.51, Rem.); Tanaka, 1956 c (p.368, figs.F, Rem.); 1960 (p.24, Rem.); Vervoort, 1963 b (p.106, figs.F, Rem.); De Decker, 1964 (p.16); Grice & Hulsemann, 1967 (p.14: Rem.); Corral Estrada, 1970 (p.86, Descr.M, figs.F,M, Rem.); Park, 1970 (p.475); Silas, 1972 (p?645); Andronov, 1977 (p.154, Rem.); Vives, 1982 (p.290); Chahsavar-Archad & Razouls, 1982 (p.27); Scotto di Carlo & al., 1984 (p.1043); Alvarez-Cadena, 1985 (tab.2); Hiromi, 1987 (p.153, Rem.); Chihara & Murano, 1997 (p.845, Pl.135: F); Bradford-Grieve & al., 1999 (p.878, 910, figs.F); Vives & Shmeleva, 2007 (p.966, figs.F,M, Rem.); Kesarkar & Anil, 2010 (Rem.: p.405, fig.F)
Species Paracalanus denudatus - Plate 1 of morphological figuresissued from : J. Corral Estrada in Tesis Doct., Univ. Madrid, A-129, Sec. Biologicas, 1970. [Lam.17].
Female (from Canarias Is.): 1, habitus (lateral right side); 2, idem (dorsal); 3, P5; 4,habitus (lateral right side, another specimen); 5, P5; 6, forehead (lateral , another specimen); 7, posterior part cephalothorax and urosome (dorsal); 8, P5.


Species Paracalanus denudatus - Plate 2 of morphological figuresissued from : J. Corral Estrada in Tesis Doct., Univ. Madrid, A-129, Sec. Biologicas, 1970. [Lam.18, figs.1-6].
Female (another specimen): 1, P1; 2, P2; 3, P3; 4, P4; 5, P5; 6, forehead (lateral).


Species Paracalanus denudatus - Plate 3 of morphological figuresissued from : J. Corral Estrada in Tesis Doct., Univ. Madrid, A-129, Sec. Biologicas, 1970. [Lam.15].
Male: 1, habitus (lateral right side); 2, idem (dorsal); 3, P1; 4, P5.


Species Paracalanus denudatus - Plate 4 of morphological figuresissued from : J. Corral Estrada in Tesis Doct., Univ. Madrid, A-129, Sec. Biologicas, 1970. [Lam.16].
Male: 1, A1; 2, posterior part cephalothorax and urosome (dorsal); 3, P2; 4, P4; 5, P5.


Species Paracalanus denudatus - Plate 5 of morphological figuresissued from : R.B.S. Sewell in Mem. Indian Mus., 1929, X. [p.67, Fig.23].
Female (from Nankauri Harbour): a, habitus (lateral left side); b, urosome (dorsal); c, genital segment (ventral); d, P2; e, P3; f, P4; g, P4 (in another specimen); h, P5.


Species Paracalanus denudatus - Plate 6 of morphological figuresissued from : W. Vervoort in Atlantide Report., 1963, 7. [p.107, Fig.9].
Female (from off W Portugal): a-b, habitus (lateral and dorsal, respectively) (x135): c-d, posterior part cephalothorax and urosome (dorsal and lateral, respectively) (x240).


Species Paracalanus denudatus - Plate 7 of morphological figuresissued from : C. Razouls in Th. Doc. Etat Fac. Sc. Paris VI, 1972, Annexe. [Fig.26, B, I-J].
As Paracalanus pygmaeus.
Female (from Banyuls, G. of Lion): B, urosome (dorsal); I-J, P5 (from two specimens).


Species Paracalanus denudatus - Plate 8 of morphological figuresissued from : K.S. Kesarkar & A.C. Anil in J. mar. Biol. Ass. UK, 2010, 90 (2); [p.405, Table 2].
Characteristics of females.


Species Paracalanus denudatus - Plate 9 of morphological figuresissued from : K.S. Kesarkar & A.C. Anil in J. mar. Biol. Ass. UK, 2010, 90 (2); [p.407, Fig.5, J].
Female: J, P5.


Species Paracalanus denudatus - Plate 10 of morphological figuresIssued from: G.O. Sars in Résult. Camp. Scient. Prince Albert I, 69, pls.1-127 (1924). [Pl.VI, figs. 1-4].
Female: 1, habitus (lateral); 2, same (dorsal); 3, forehead (lateral), showing labrum and labiums ventrally; 4, genital segment (ventral).


Species Paracalanus denudatus - Plate 11 of morphological figuresIssued from: G.O. Sars in Résult. Camp. Scient. Prince Albert I, 69, pls.1-127 (1924). [Pl.VI, figs. 5-9]. As Paracalanus pygmaeus.
Female: 5, P1; 6, endopodite of P2; 7, P3; 8, P4; 9, P5.

Compl. Ref.:
Sewell, 1948 (p.357, 418, 426); Ahlstrom & Thrailkill, 1963 (p.57, Table 5, abundance); De Decker, 1964 (p.16, 23, 27); Fleminger, 1967 a (tabl.1); Delalo, 1968 (p.137); Park, 1970 (p.475); Apostolopoulou, 1972 (p.327, 336); Corral Estrada & Pereiro Muñoz, 1974 (tab.I); Patel, 1975 (p.659); Vives, 1982 (p.290); Kovalev & Schmeleva, 1982 (p.83); Scotto di Carlo & al., 1984 (1043); Madhupratap & Haridas, 1986 (p.105, tab.1); Lozano Soldevilla & al., 1988 (p.57); Othman & al., 1990 (p.561, 563, Table 1); Siokou-Frangou, 1997 (tab.1); Hure & Krsinic, 1998 (p.26, 100); Suarez-Morales & Gasca, 1998 a (p.110); Ueda & al., 2000 (tab.1); Fragopoulu & al., 2001 (p.49, tab.1); Uysal & al., 2002 (p.17, tab.1); Paffenhöfer & Mazzocchi, 2003 (p.1151, fig.8); Vukanic, 2003 (139, tab.1); Rezai & al., 2004 (p.486, tab.2, 3, abundance, Rem., p.495, tab.8); Pusch & al., 2004 (251, tab.3); Shimode & Shirayama, 2004 (p.607, tab.1, 2); Smith & Madhupratap, 2005 (p.214, tab.4,6); Prusova & Smith, 2005 (p.75, 78); Isari & al., 2006 (p.241, tab.II); Humphrey, 2008 (p.84: Appendix A); Wishner & al., 2008 (p.163, Table 2, fig.8, oxycline)); Ohtsuka & al., 2008 (p.115, Table 4); C.E. Morales & al., 2010 (p.158, Table 1: ?); Cornils & al., 2010 (p.2076, Table 3, Fig.5); Schnack-Schiel & al., 2010 (p.2064, Table 2: E Atlantic subtropical/tropical); Mazzocchi & Di Capua, 2010 (p.426); Fazeli & al., 2010 (p.153, Table 1); Salah S. & al., 2011 (Tableau 1); Maiphae & Sa-ardrit, 2011 (p.641, Table 2, 3, Rem.); Saitoh & al., 2011 (p.85, Table 5); Selifonova, 2011 (p.77, Table 1, alien species in Black Sea); Uysal & Shmeleva, 2012 (p.909, Table I); DiBacco & al., 2012 (p.483, Table S1, ballast water transport); Johan & al., 2012 (2013) (p.1, Table 1));
NZ: 15

Distribution map of Paracalanus denudatus by geographical zones
Loc:
Afr. S (SE), Namibie, Atlant. SE,? G. de Guinée, off Is. du Cap Vert S, off Maroc-Mauritanie, Cap Ghir, Great Meteor Seamount, Canaries, Madère, off Amazone, G. du Mexique, Médit. (Médit. W, Ligurian Sea, Tyrrhenian Sea, Adriatique, Mer Egée, Black Sea, Bassin Levantin), Mer Rouge, Gulf of Oman, G. d'Aden, Indien (Mer Arabe, Andaman & Nicobar Is.), NW India (Saurashtra coast), Macpherson Strait, Straits of Malacca, G. of Thailand, Malaysia (Sarawak: Bintulu coast), SW Celebes, Viet-Nam (Baie de Cauda), mers de Chine, Japan, Palau Is., Australia (G. of Carpentaria, Grande Barrière), California, W Baja California, G. de Californie, Mexique (Mazatlàn), Chili
N: 57
Lg.:
(14) F: 0,935-0,7; (29) F: 0,64; (34) F: 0,96-0,73; (55) F: 0,81-0,74; (66) F: 0,56; (180) F: 0,8-0,7; M: 0,745; (786) F: 0,83; {F: 0,56-0,96; M: 0,75}
Rem.: epipelagic. According to Vervoort (1963b, p.108) there is little doubt that Sars' P. pygmaeus and P. denudatus Sewell are conspecific; the shape of the body is practically identical in both species and the differences in the spinulation of the legs fall within the normal degree of variability.
For Andronov (1977, p.154) and Bradford-Grieve (1994, p.67) this species is a synonym of Paracalanus pygmaeus (Claus,1863), in contrary to the opinion of Vervoort (1963 b, p.109) for whom this latter species is not identifiable. Vives & Shmeleva (2007, p.673) consider the female of P. pygmaeus different from P. denudatus referring to the length of the terminal seta of the P5 in proportion to the second segment, which does not carry the conviction.
R. Stephen, 2007 : Data sheets of NIO, Kochi, India (on line).
Last update : 13/05/2013
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