Species Card of Copepod
Cyclopoida ( Order )
    Corycaeidae ( Family )
        Corycaeus ( Genus )
            Monocorycaeus ( Sub-Genus )
Corycaeus (Monocorycaeus) robustus  Giesbrecht, 1891   (F,M)
Syn.: Corycaeus venustus : Brady, 1883 (p.115, figs.F); 1888 (part.);
Corycäus robustus Giesbrecht, 1891; 1892 (p.660, 673, 772, figs.F,M);
Monocorycaeus robustus : Dessier, 1983 (p.89, Tableau 1, Rem., %); Boxshall & Halsey, 2004 (p.492: fig.F); Lan Y.-C. & al., 2009 (p.1, Table 2, % vs hydrogaphic conditions); Vives & Shmeleva, 2010 (p.229, figs.F,M, Rem.); in CalCOFI regional list (MDO, Nov. 2013; M. Ohman, comm. pers.)
Ref.:
F. Dahl, 1894 (p.69); Thompson & Scott, 1903 (p.240, 286); A. Scott, 1909 (p.251, Rem.); Wolfenden, 1911 (p.359); M. Dahl, 1912 (p.27, figs.F,M); Farran, 1936 a (p.135); Tanaka, 1957 (p.81, figs.F); Motoda, 1963 (p.222, figs.F,M); Chen & al., 1974 (p.55, figs.F); Zheng & al., 1982 (p.136, figs.F); Bradford-Grieve & al., 1999 (p.888, 974, figs.F,M); Chihara & Murano, 1997 (p.962, figs.F,M); Conway & al., 2003 (p.249, figs.F,M, Rem.); Marquez-Rojas & al., 2014 (p.11, Descr.F,M, figs.F,M, Rem., %);
Species Corycaeus (Monocorycaeus) robustus - Plate 1 of morphological figuresissued from : O. Tanaka in J. Fac. Agricult. Kyushu Univ., 1957, 11 (1). [Pl.4, Figs.5-8].
Female (from Japanese waters): 5, habitus (dorsal); 6, urosome (lateral lright side); 7, A2; 8, P4.
Nota: The abdominal segments and furca in the proportional lengths 59:12:29. Genital segment 1.4 times as long as wide (10:7).


Species Corycaeus (Monocorycaeus) robustus - Plate 2 of morphological figuresissued from : Q.-c Chen & S.-z. Zhang & C.-s. Zhu in Studia Marina Sinica, 1974, 9. [Pl.15, Figs.9-11].
Female (from China Seas): 9, habitus (dorsal); 10, A2; 11, P4.


Species Corycaeus (Monocorycaeus) robustus - 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.51, Fig.38]. As Corycäus robustus.
Female: habitus (dorsal).


Species Corycaeus (Monocorycaeus) robustus - 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.51, Fig.42]; As Corycäus robustus.
Male: habitus (dorsal).


Species Corycaeus (Monocorycaeus) robustus - Plate 5 of morphological figuresissued from : M. Dahl in Ergebnisse der Plankton-Expedition dre Humbold-Stiftung. Bd II, G. f1. I. Die Corycaeinen 1912. [Taf.IV, Figs.3, 4, 5, 7].
Female: 3, habitus (dorsal); 4, idem (lateral right side); 5, Mxp; 7, A2.


Species Corycaeus (Monocorycaeus) robustus - Plate 6 of morphological figuresissued from : M. Dahl in Ergebnisse der Plankton-Expedition dre Humbold-Stiftung. Bd II, G. f1. I. Die Corycaeinen 1912. [Taf.IV, Figs.1, 2].
Male: 1, habitus (dorsal); 2, idem (lateral right side).


Species Corycaeus (Monocorycaeus) robustus - Plate 7 of morphological figuresissued from : M. Dahl in Ergebnisse der Plankton-Expedition der Humbold-Stiftung. Bd II, G. f1. I. Die Corycaeinen 1912. [Taf.IV, Fig.8].
Male: 8, A2.


Species Corycaeus (Monocorycaeus) robustus - Plate 8 of morphological figuresissued from : M. Dahl in Ergebnisse der Plankton-Expedition der Humboldt-Stiftung. Bd II, G. f1. I. Die Corycaeinen 1912. [Taf.IV, Fig.6].
Male: 6, Mxp.


Species Corycaeus (Monocorycaeus) robustus - Plate 9 of morphological figuresissued from : Z. Zheng, S. Li, S.J. Li & B. Chen in Marine planktonic copepods in Chinese waters. Shanghai Sc. Techn. Press, 1982 [p.137, Fig.85].
Female (from SE Korea): a, habitus (dorsal); b, urosome (lateral, left side); c, A2.
Scale bar in mm.


Species Corycaeus (Monocorycaeus) robustus - Plate 10 of morphological figuresIssued from : F. Vives & A.A. Shmeleva in Fauna Iberica, 2010, 33. [p.230, Fig.106]. After Dahl, 1912.
Female: A-B, habitus (dorsal and lateral, respectively); C, A2;

Male: D-E, habitus (dorsal and lateral, respectively); F, A2.


Species Corycaeus (Monocorycaeus) robustus - Plate 11 of morphological figuresIssued from : B. Marquez-Rojas, O. Diaz-Diaz, L. Troccoli, J. Morales & L.M. Marcano in Métod Ecol. Sistemat., 2014, 9 (3). [p.21, Fig.3, a-f].
Female (from Caraco Gulf, Venezuela): a, habitus (dorsal); b, A2; c, P4.

Male: d, habitus (dorsal); e, A2; f, P4.

Compl. Ref.:
Cleve, 1904 a (p.188); Wilson, 1932 (p.42); 1942 a (p.182); Sewell, 1948 (p.393, 398, 461); C.B. Wilson, 1950 (p.196); Guangshan & Honglin, 1984 (p.118, tab.); M. Lefèvre, 1986 (p.33, 40); Renon, 1987 (tab.2); Jimenez-Perez & Lara-Lara, 1988; Yoo, 1991 (tab.1); Shih & Young, 1995 (p.76); Suarez-Morales & Gasca, 1998 a (p.112); Noda & al., 1998 (p.55, Table 3, occurrence); Fernandez-Alamo & al., 2000 (p.1139, Appendix); Lo & al., 2001 (1139, tab.I); Hwang & al., 2003 (p.193, tab.2); Lan & al., 2004 (p.332, tab.1); Lopez-Ibarra & Palomares-Garcia, 2006 (p.63, Tabl. 1, seasonal abundance vs El-Niño); Ayon & al., 2008 (p.238, Table 4: Peruvian samples); Hernandez-Trujillo & al., 2010 (p.913, Table 2); Hsiao S.H. & al., 2011 (p.475, Appendix I); Maiphae & Sa-ardrit, 2011 (p.641, Table 2, 3, Rem.); Mendoza Portillo, 2013 (p.37: Fig.7, seasonal dominance); Hwang & al., 2014 (p.43, Appendix A: seasonal abundance)
NZ: 11 + 2 doubtful

Distribution map of Corycaeus (Monocorycaeus) robustus by geographical zones
Loc:
South Africa (E), off N St. Helena Is. (in Wolfenden, 1911), ? Chesapeake Bay (in Wilson, 1932); Medit. (Algiers) (in Rose, 1927), Red Sea, Arabian Sea, Seychelles, off S Socotra , Christmas Is., G. of Thailand, Indonesia-Malaysia, Philippines, Viet-Nam, China Seas (Yellow Sea, East China Sea, South China Sea), Taiwan Strait, Taiwan (E, SW, NW), S. Japan (Kuchinoerabu Is.), Japan (rare), Pacif. (W equatorial), Australia (Great Barrier), I. Moorea (lagon), off Hawaii, off W Baja California (Bahia Magdalena: abundant), G. of California, G. of Tehuantepec, Clipperton Is., Peru, Aleutian Is. (in C. B. Wilson, 1950), Venezuela (Cariaco Gulf)
N: 47
Lg.:
(34) F: 2,18; (46) F: 2,1-2; M: 1,6; (107) F: 2,11; (109) F: 2,12; (666) F: 2,08-2,02; M: 1,647; (667) F: 2,4-2,1; M: 1,95-1,83; (991) F: 2,1-2,4; M: 1,83-1,95; (1023) F: 2,06-2,3; {F: 2,00-2,40; M: 1,60-1,95 }
Rem.: Farran, 1911 a (p.289) reports, among others, distributions in: The Red Sea, Arabian Sea, Cape of Good Hope, all localisations for which we have no references (maybe from Dana of whom the descriptions appear unsure).
For Boxshall & Halsey (2004, p.491) the subgenus (Dahl, 1912) is considered as full generic status pending phylogenetic revision of the whole family at the generic level.

See in DVP Conway & al., 2003 (version 1)
Last update : 04/12/2020
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Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2021. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed September 28, 2021]

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