Species Card of Copepod
Calanoida ( Order )
    Diaptomoidea ( Superfamily )
        Centropagidae ( Family )
            Centropages ( Genus )
Centropages longicornis  Mori, 1932   (F)
Ref.:
Mori, 1932 a (p.169, Descr.F, figs.F); 1937 (1964) (p.62, figs.F); Furuhashi, 1961 a (p.11, 22); Tanaka, 1963 (p.10, figs.F); Vervoort, 1964 b (p.309); Chen & Zhang, 1965 (p.77, figs.F); Chihara & Murano, 1997 (p.766, Pl.84: F); Bradford-Grieve & al., 1999 (p.884, 951, figs.F); Ohtsuka & al., 2015 (p.123, Table 2)
Species Centropages longicornis - Plate 1 of morphological figuresissued from : Mori T. in The pelagic Copepoda from the neignbouring waters of Japan. S. Shirai ed., Tokyo, 1937; 2nd edit. 1964. [Pl.30, Figs.8-11].
Female (25°16'N, 124°22'E): 8, P5; 9, habitus (dorsal view); 10, urosome (ventral view); 11, urosome (lateral view).

Nota:
- Corners of last thoracic segment rounded.
- Genital segment without spinules; largely swelled on the ventral side and makes a ball-like dilatation.
- Caudal rami symmetrical; ramus more than 3 times as long as its width.
- A1 extend beyond the end of caudal rami by the last 5 segments.
- P5 with a notch on the inner margin of the 1st exopodal segment; the inner marginal spine of the 2nd segment of exopodite not reaches to the end of the 3rd segment.


Species Centropages longicornis - Plate 2 of morphological figuresissued from : Tanaka O. in Publs Seto mar. biol. Lab., 1963, 11 (1). [Fig.152, p.10].
Female: a, habitus (dorsal view); b, Th5 and urosome with spermatophore attached (lateral view); c, P5.


Species Centropages longicornis - Plate 3 of morphological figuresissued from: Q.-c Chen & S.-z. Zhang in Studia Marina Sinica, 1965, 7. [Pl.28, 1-2].
Female (from E China Sea): 1, habitus (dorsal); 2, idem (lateral right side).


Species Centropages longicornis - Plate 4 of morphological figuresIssued from : M. Chihara & M. Murano in An Illustrated Guide to Marine Plankton in Japan, 1997. [p.771, Pl. 84, fig.116 a-c]. After Mori (1937).
Female: a, habitus (dorsal); b, P5; c, urosome (ventral).

Nota: numbers show remarkable characteristics of this species.

Compl. Ref.:
Itoh, 1970 (tab.1); De Decker, 1984 (p.316); Anraku & Azeta, 1965 (p.13, Table 2, fish predator); Chahsavar-Archad & Razouls, 1982 (p.38); Cervantes-Duarte & Hernandez-Trujillo, 1989 (tab.3); Yoo, 1991 (tab.1); Shih & Young, 1995 (p.69); Noda & al., 1998 (p.55, Table 3, occurrence); Suarez-Morales & Gasca, 1998 a (p109); Hernandez- Trujillo & Suarez-Morales, 2002 (p.748, tab.1); Lo & al., 2004 (p.89, tab.1); Lopez-Ibarra & Palomares-Garcia, 2006 (p.63, Tabl. 1, seasonal abundance vs El-Niño); Lopez Ibarra, 2008 (p.1, Table 1: abundance, Table 2: Rem.); Morales-Ramirez & Suarez-Morales, 2008 (p.519); C.-Y. Lee & al., 2009 (p.151, Tab.2); in CalCOFI regional list (MDO, Nov. 2013; M. Ohman, pers. comm.); Lopez-Ibarra & al., 2014 (p.453, Table 2, biogeographical affinity); Palomares-Garcia & al., 2018 (p.178, Table 1: occurrence not seen in La Paz)
NZ: 6

Distribution map of Centropages longicornis by geographical zones
Species Centropages longicornis - Distribution map 2
Chart of 1996
Loc:
China Seas (Yellow Sea, East China Sea), Taiwan, Mienhua Canyon, Nagazaki, Kuchinoerabu Is., Japan , California, W Baja California, Bahia Magdalena (rare), G. of California, W Costa Rica, S Cape Verde Is., South Africa (W) (off Walvis Bay)
N: 19 (Atlant. N: 1; Atlant. SE: 1; Pacif.: 17)
Lg.:
(26) F: 1,88; (151) F: 1,97; (290) F: 2; {F: 1,88-2,00}
Rem.: epipelagic.
For Mori (1937 [1964], p.62) this species is allied to C. violaceus and C. calaninus.
The locality records of this species outside the Sino-Japanese and Californian waters are suprising.
After Itoh (1970 a, fig.2 from co-ordinates), the Itoh 's index value of the mandibular gnathobase = 880.
Last update : 01/12/2020
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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 October 18, 2021]

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