Species Card of Copepod
Cyclopoida ( Order )
    Oithonidae ( Family )
        Oithona ( Genus )
Oithona colcarva  Bowman, 1975   (F,M)
Syn.: Oithona brevicornis : Fish, 1925; Wilson, 1932 (p.46, figs.F,M); 1932 a (p.315, figs.F); Deevey, 1948; 1952; Grice, 1960 a (p.487, figs.F); Anraku, 1964 (p.49)
Bowman,1975 (p.134, figs.F,M); Fonseca & Björnberg, 1975 (1976) (p.130); Shuvalov, 1980 (p.140, figs.F,M); McKinnon, 2000 (p.108, Rem.)
Species Oithona colcarva - Plate 1 of morphological figuresissued from : T.E. Bowman in Chesapeake Sc., 1975, 16 (1). [p.135, Fig.1, a-h].
Female (from Long Point: Patuxent River: a, habitus (dorsal); d, forehead (lateral); e, head (ventral); f, urosome (dorsal); g, Md; h, Md (setae of the 2nd basipod).
Nota: 2nd basipod of Md bearing 2 blunt setae armed with marginal setules; endopod with 5 setae. A1 reaching posterior margin of 2nd pediger segment. Rostrum ponted in lateral view, rounded in ventral view.

Male: b, habitus (dorsal); c, forehead (lateral).
Nota: Rostrum shorter and blunter than in female

Species Oithona colcarva - Plate 2 of morphological figuresissued from : T.E. Bowman in Chesapeake Sc., 1975, 16 (1). [p.136, Fig.2].
Female: a, P1; b, P2; c, P4; d, caudal ramus (ventral view).

Species Oithona colcarva - Plate 3 of morphological figuresissued from : G.D. Grice in Bull. mar. Sci. Gulf Caribb., 1960, 10 (4). [p.486, Figs.1-6]. As Oithona brevicornis. With doubt.
Female (from NE Gulf of Mexico: off Alligator Harbor): 1, habitus (dorsal); 2, forehead (lateral); 3, P1; 4, P2; 5, P3; 6, P4.

Compl. Ref.:
Lonsdale, 1981 (p.333); Ohlhorst, 1982 (p.1); 1985 (p.101); Ohlhorst & Liddell, 1985 (p.117); Mallin, 1991 (p.481); Roman & al., 1993 (p.1603, Oxygen effect); Uysal & Shmeleva, 2012 (p.909, Table I); Zamora-Terol & Saiz, 2013 (p.376, Rem.: Table 3, egg production)
NZ: 3

Distribution map of Oithona colcarva by geographical zones
Gulf of Mexico - Chesapeake Bay - Cape Cod, Jamaica, E Medit. (N Lebanon Basin)
N: 12
(45) F: 0,75-0,65; (632) F: 0,6; M: 0,55; (633) F: 0,6-0,48; {F: 0,48-0,75; M: 0,55}
Rem.: Estuaries.
For Bowman (1975, p.134) the common and abundant species in coastal and estuarine waters of the east and Gulf of Mexico coasts of the United States is incorrectly known as Oithona brevicornis Giesbrecht.
See in Oithona robertsoni Table 1 from McKinnon (2000, p.108).
According to Uysal & Shmeleva (2012, p.917) mention this species for the first time in Eastern Mediterranean Sea.
Last update : 24/01/2015
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Razouls C., de Bovée F., Kouwenberg J. et Desreumaux N., 2005-2019. - Diversity and Geographic Distribution of Marine Planktonic Copepods. Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed May 24, 2019]

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