Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Phaennidae ( Family )
            Xanthocalanus ( Genus )
Xanthocalanus agilis  Giesbrecht, 1892   (F,M)
Ref.:
Giesbrecht, 1892 (p.286, 775, figs.F,M); Giesbrecht & Schmeil, 1898 (p.50, Rem. F,M); Wolfenden, 1908 (p.33); A. Scott, 1909 (p.80, figs.F); Pesta, 1920 (p.515); Rose, 1933 a (p.133, figs.F); Owre & Foyo, 1967 (p.57, figs.F,M); Roe, 1975 (p.311, figs.M, Rem.M); Björnberg & al., 1981 (p.635, figs.F); Bradford & al., 1983 (p.71); Guangshan & Honglin, 1984 (p.136, figs.F,M); Bradford-Grieve & al., 1999 (p.881, 929, figs.F,M); Vives & Shmeleva, 2007 (p.696, figs.F,M, Rem.)
Species Xanthocalanus agilis - Plate 1 of morphological figuresissued from : A. Scott in Siboga-Expedition, 1909, XIX a. [Plate XXXIII, Figs.10-18].
Female (from Molucca Passage & Celebrs Sea): 10, habitus (dorsal); 11, forehead (lateral); 12, last thoracic and genital segments (left side); 13, rostrum; 14, A1; 15, Mx2 (distal portion); 16, P2; 17, P4; 18, P5.


Species Xanthocalanus agilis - Plate 2 of morphological figuresIssued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf. 37 , Figs 25-29 ].
Female: 25, urosome (ventral); 26, idem (lateral); 27, forehead (ventral); 28-29, habitus (lateral and dorsal, respectively).


Species Xanthocalanus agilis - Plate 3 of morphological figuresIssued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf. 12, Figs.22, 23, 24, 28 ].
Female: 22, A2; 23, A1; 24, Mx2 (basipods); 28, Mx2 (terminal segments).
L = lobe; S = seta.


Species Xanthocalanus agilis - Plate 4 of morphological figuresIssued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf. 12, Figs.33, 34 ].
Female: 33, P5; 34, Mx1 (anterior view).
B = basipodite; Ri = endopodite; Re = exopodite; Li = inner lobe; Le = outer lobe.


Species Xanthocalanus agilis - Plate 5 of morphological figuresIssued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf. 37, Figs.23, 24 ].
Male: 23, habitus (dorsal); 24, urosome (dorsal).


Species Xanthocalanus agilis - Plate 6 of morphological figuresIssued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf. 37, Fig.22 ].
Male: 22, forehead and A1 (dorsal view).


Species Xanthocalanus agilis - Plate 7 of morphological figuresIssued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf. 12 , Figs.18, 25-27 ].
Male: 18, P5; 25, P4 (part.), posterior view; 26, P1 (anterior surface); 27, P3 (part., posterior view).
B = basipodite; Ri = endopodite; Re = exopodite


Species Xanthocalanus agilis - Plate 8 of morphological figuresIssued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf. 12, Figs.29, 30, 31 ].
Male: 29, Md; 30, Mx1; 31, P2 (part.)
Ei = endopodite; Re = exopodite; L = lobe.


Species Xanthocalanus agilis - Plate 9 of morphological figuresissued from : H.S.J. Roe in Bull. British Mus. (Nat. Hist.) Zool., London, 1975, 28 (7). [p.312, Fig.9, a-d].
Male (from Cape Verde Islands): a, habitus (dorsal); b, last thoracic segment and urosome (right lateral side); c, P5; d, terminal segment of left P5.
Bar scale 0.1 mm unless indicated.

Nota: The right P5 has 5 segments very short, reaching only to the end of the 1st segment of left P5; Giesbrecht's description is probably an error concerning the lack of the right P5.


Species Xanthocalanus agilis - Plate 10 of morphological figuresIssued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. - Fauna Flora Golf. Neapel, 1892, 19 , Atlas von 54 Tafeln. [Taf.12, Fig.28].
Female: 28, distal segments of Mx2 (anterior view).


Species Xanthocalanus agilis - Plate 11 of morphological figuresIssued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. - Fauna Flora Golf. Neapel, 1892, 19 , Atlas von 54 Tafeln. [Taf.12, Figs.20, 21].
Female: 20, Mxp (anterior surface); 21, distal portion of Mxp (magnified).


Species Xanthocalanus agilis - Plate 12 of morphological figuresissued from : H.B. Owre & M. Foyo in Fauna Caribaea, 1, Crustacea, 1: Copepoda. Copepods of the Florida Current. [p.25, Fig.114].
Female: P5.


Species Xanthocalanus agilis - Plate 13 of morphological figuresissued from : H.B. Owre & M. Foyo in Fauna Caribaea, 1, Crustacea, 1: Copepoda. Copepods of the Florida Current. [p.57, Figs.354-356].
Female: 354, habitus (dorsal); 355, rostrum.

male: 356, P5.

Compl. Ref.:
Mazza, 1966 (p.70); Pavlova, 1966 (p.43); Deevey, 1971 (p.225); Apostolopoulou, 1972 (p.327, 350); Bainbridge, 1972 (p.61, Appendix Table II, vertical distribution %); Deevey & Brooks, 1977 (p.256, tab.2, Station "S"); Carter, 1977 (1978) (p.35); Dessier, 1979 (p.205); Kovalev & Shmeleva, 1982 (p.83); Vives, 1982 (p.291); Scotto di Carlo & al., 1984 (1044); Lozano Soldevilla & al., 1988 (p.58); Suarez & Gasca, 1991 (tab.2); Suarez, 1992 (App.1); Shih & Young, 1995 (p.71); Hure & Krsinic, 1998 (p.101); Suarez-Morales & Gasca, 1998 a (p.110); Siokou-Frangou, 1999 (p.476); Lopez-Salgado & al., 2000 (tab.1); Lapernat, 2000 (tabl.3, 4); Vukanic, 2003 (139, tab.1); Khelifi-Touhami & al., 2007 (p.327, Table 1); Mazzocchi & Di Capua, 2010 (p.427); Andersen N.G. & al., 2011 (p.71, Fig.3: abundance); Benedetti & al., 2016 (p.159, Table I, fig.1, functional characters); Belmonte, 2018 (p.273, Table I: Italian zones)
NZ: 9

Distribution map of Xanthocalanus agilis by geographical zones
Loc:
South Africa (E) (off Durban, Natal), Congo, off Lagos, G. of Guinea, Brazil S, Cape Verde Is., off NW Cape Verde Is., off Mauritania, Canary Is., Caribbean Sea, G. of Mexico, Florida, Sargasso Sea, off Bermuda: Station "S" (32°10'N, 64°30'W), Medit. (Algiers, Gulf of Annaba, Marseille, Ligurian Sea, Napoli, Adriatic Sea, Aegean Sea), SW Indian, Indonesia-Malaysia (in A. Scott, 1909, p.80), China Seas (East China Sea, South China Sea, in Shih & Young, 1995; W. Zhang & al., 2010), Pacif. (W equatorial) (in Guangshan & Honglin, 1984)
N: 31
Lg.:
(5) F: 2,68; (8) M: 2,58; (32) F: 2,4; (46) F: 2,4; M: 2,4-2,25; (449) F: 2,68-2,4; M: 2,4-2,25; (952) F: 2,14; M: 2,07-2,2; {F: 2,14-2,68; M: 2,07-2,58}
Rem.: epipelagic - ?. Sargasso Sea: 0-500 m (Deevey & Brooks, 1977, station "S");
Last update : 09/12/2020
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