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Copépodes planctoniques marins
Corycaeus (Ditrichocorycaeus) amazonicus  F. Dahl, 1894   (F,M)
Taxonomy
Ordre Cyclopoida
Famille Corycaeidae
Sub-Genus Ditrichocorycaeus

Synonymie

no Corycaeus amazonicus : Wolfenden, 1905 (1906) (p.1029);
Ditrichococorycaeus amazonicus : Boxshall & Halsey, 2004 (p.495); Miyashita & al., 2009 (p.815, Tabl.II); Miyashita & al., 2012 (p.1557, Table 2: occurrence); Lopez-Ibarra & al., 2014 (p.453, fig.6, biogeographical affinity); Acha & al., 2020 (p.p.1, Table 3: occurrence % vs ecoregions, Table 5: indicator ecoregions).

Références

F. Dahl, 1894 (p.71); M. Dahl, 1912 (p.69, figs.F,M); Farran, 1929 (p.211, 296); Klevenhusen, 1933 a (p.92, chart 38); Cervigon, 1964 (p.192, figs.F,M); Gonzalez & Bowman, 1965 (p.266, figs.F,M, Rem.); Ramirez, 1969 (p.96, figs.F,M, Rem.); Björnberg, 1972 (figs.,N); Dawson & Knatz, 1980 (p.10, figs.F,M); Björnberg & al., 1981 (p.676, figs.F,M); Sazhina, 1985 (p.95, figs.N); Bowxshall, 1998 (p.223); Bradford-Grieve & al., 1999 (p.888, 974, figs.F,M);

Figures

Planche 1 issued from : F.C. Ramirez in Contr. Inst. Biol. mar., Buenos Aires, 1969, 98. [p.94, Lam. XIX, figs. 160, 162].
Female (from off Mar del Plata): 160, habitus (dorsal).

Male: 162, habitus (dorsal).
Scale bars in mm: 0.3 (160, 162).
Planche 2 issued from : M. Dahl in Ergebnisse der Plankton-Expedition der Humboldt-Stiftung. Bd II, G. f1. I. Die Corycaeinen 1912. [Taf.X, Figs.1, 2, 3].
Female: 1, habitus (dorsal); 2, urosome (ventral); 3, habitus (lateral right side).
Planche 3 issued from : M. Dahl in Ergebnisse der Plankton-Expedition der Humboldt-Stiftung. Bd II, G. f1. I. Die Corycaeinen 1912. [Taf.X, Fig.6].
Female: 6, A2.
Planche 4 issued from : M. Dahl in Ergebnisse der Plankton-Expedition der Humboldt-Stiftung. Bd II, G. f1. I. Die Corycaeinen 1912. [Taf.X, Figs.8, 9].
Female: 8, P4; 9, P2 (d-terminal part of exopod)
Planche 5 issued from : M. Dahl in Ergebnisse der Plankton-Expedition der Humboldt-Stiftung. Bd II, G. f1. I. Die Corycaeinen 1912. [Taf.X, Figs.4, 5].
Male: 4,habitus (dorsal); 5, idem (lateral left side).
Planche 6 issued from : M. Dahl in Ergebnisse der Plankton-Expedition der Humboldt-Stiftung. Bd II, G. f1. I. Die Corycaeinen 1912. [Taf.X, Fig.7].
Male: A2.
Planche 7 issued from : M. Dahl in Ergebnisse der Plankton-Expedition der Humboldt-Stiftung. Bd II, G. f1. I. Die Corycaeinen 1912. [Taf.X, Fig.10].
Male: 10, P1 (terùinal part of exopod).
Planche 8 issued from : F. Cervigon iin Mem. Soc. Cienc. nat. La Salle, 1964, 24 (68). [p.193, Lam.20]. As Ditrichocorycaeus amazonicus.
Female (from Venezuela): 1-2, habitus (dorsal and lateral, respectively); 3, A2; 4, P4.

Nota: Length prosome: 0.63-0.66; length urosome: 0.34-0.38. Lengths ratio genital , anal segments and caudal rami 35:29:35; 35:27:38 and 34:26:40.
Planche 9 issued from : F. Cervigon iin Mem. Soc. Cienc. nat. La Salle, 1964, 24 (68). [p.194, Lam.22]. As Ditrichocorycaeus amazonicus.
Male: 1, habitus (dorsal); 2, abdomen (lateral); 3, A2; 4, P4.

Nota: Length prosome: 0.48-0.50; length urosome: 0.33-0.37. Lengths ratio genital , anal segments and caudal rami 46:26:28; 43:24:32 and 41:28:31.

Références complémentaires

Grice, 1956 (p.53); Deevey, 1960 (p.5, Table II, annual abundance); Björnberg, 1963 (p.83, Rem.); Peterson & Miller, 1976 (p.14, Table 1, 3, abundance vs interannual variations); 1977 (p.717, Table 1, seasonal occurrence); Turner & al., 1984 (p.191, feeding); Turner, 1986 (p.289, fig. 7: pellet-content): Santos & Ramirez, 1991 (p.79); Lindo, 1991 (tab.3); Suarez Morales, 1994 b (tab.1); Lopes, 1994 (tab.1); Palomares Garcia & Vera, 1995 (tab.1); Webber & al., 1996 (tab.1); Suarez-Morales & Gasca, 1997 (p.1525); Lopes & al., 1998 (p.195, tab.2); Alvarez-Cadena & al., 1998 (t.1,2,3,4); Hopcroft & Roff, 1996 (p.789, diel egg production); Hopcroft & al., 1998 (tab.2); Suarez-Morales & Gasca, 1998 a (p.112); Lavaniegos & Gonzalez-Navarro, 1999 (p.239, Appx.1); Lopes & al., 1999 (p.215, tab.1); Lopez-Salgado & al., 2000 (tab.1); Dunbar & Webber, 2003 (tab.1); Choi & al., 2005 (p.710: Tab.III); Lavaniegos & Jiménez-Pérez, 2006 (p.140, tab.2, Rem.); Sterza & Fernades, 2006 (p.95, Table 1, occurrence); Lopez Ibarra, 2008 (p.1, Table 1, fig.11); Hernandez-Trujillo & al., 2010 (p.913, Table 2); Hidalgo & al., 2010 (p.2089, Table 2); Medellin-Mora & Navas S., 2010 (p.265, Tab. 2); Lavaniegos & al., 2012 (p. 11, Table 1, fig.3, seasonal abundance, Appendix); in CalCOFI regional list (MDO, Nov. 2013; M. Ohman, comm. pers.); Melo Jùnior & al., 2013 (p.363, Table 2, egg production); Fierro Gonzalvez, 2014 (p.1, Tab. 3, 5, occurrence, abundance); Marquez-Rojas & al., 2014 (p.6, Rem., %); Ben Ltaief & al., 2017 (p.1, Table III, Summer relative abundance); Atique & al., 2017 (p.1, Table 1); Palomares-Garcia & al., 2018 (p.178, Table 1: occurrence)

Distribution

NZ: 5

Carte de distribution de Corycaeus (Ditrichocorycaeus) amazonicus par zones géographiques


Localisations

off Mar del Plata, Rio de la Plata, Brazil (S, Guarau, Paranagua estuary, Rio de Janeiro, Vitoria Bay, Caeté Estuary, Amazon mouths), G. of Mexico, off W Mississipi River mouth, Caribbean Sea, Caribbean Colombia, Venezuela (Cariaco Gulf), Guajira, Yucatan (Chetumal Bay), Porto Rico, Jamaica (Kingston Harbour), Yucatan, Florida, off Beaufort Inlet, Delaware Bay (outside), E Medit. (G. of Gabes), Oregon (off Newport); California (San Pedro Bay: in Dawson & Knatz, 1980), W Baja California (Bahia Magdalena), La Paz, G. of California, Chile (N-S)

Citations

N: 47

Dimensions (mm)

(35) F: 1,02; (237) F: 0,9; M: 0,82; (254) F: 0,9; M: 0,85; (666) F: 1,04; M: 0,84; (668) F: 1,04-0,98; M: 0,87-0,81; {F: 0,90-1,04; M: 0,81-0,87}

Remarques

coastal.
Observé dans les ballasts des navires à San Francisco.

Voir aussi les remarques en anglais
Dernière mise à jour : 12/02/2021