Species Card of Copepod
Cyclopoida ( Order )
    Oithonidae ( Family )
        Oithona ( Genus )
Oithona longispina  Nishida, 1977   (F)
Syn.: Oithona atlantica : Shuvalov, 1972 (1975) (p.181, part.: small forms)
Ref.:
Nishida & al., 1977 (p.136, figs.F, Rem.); Nishida, 1985 a (p.52, figs.F, Rem., p.124); Yoo & Lim, 1993 (p.91, 95, 97, Table 1, fig.2); Chihara & Murano, 1997 (p.937, Pl.195: F); Avancini & al., 2006 (p.122, Pl. 90, figs.F, Rem.); Vives & Shmeleva, 2010 (p.63, figs.F, Rem.)
Species Oithona longispina - Plate 1 of morphological figuresIssued from : S. Nishida in Bull. Ocean Res. Inst., Univ. Tokyo, 1985, No 20. [p.53, Fig.25].
Female: a, habitus (dorsal); b, forehead (lateral); c, A1; d, thoracic segment 5 and genital segment (lateral right side); e, anal segment and caudal rami 'dorsal); f, idem (ventral); g, Md; h, Md (biting edge).


Species Oithona longispina - Plate 2 of morphological figuresIssued from : S. Nishida in Bull. Ocean Res. Inst., Univ. Tokyo, 1985, No 20. [p.54, Fig.26].
Female: a, A2; b, Mx1; c, Mx2; d, Mxp; e, P1; f, P2; g, P3; h, P4.


Species Oithona longispina - Plate 3 of morphological figuresIssued from : S. Nishida, O. Tanaka & M. Omori in Bull. Plankton Soc. Japan, 1977, 24 (2). [p.137, Fig.10].
Female (from Suruga Bay and adjacent waters): a, habitus (dorsal), b, forehead (lateral); c, Md; d, Mx1; e, P1; f, P2; g, P3; h, P4.

Nota: Setae formula of exopod P1 to P4 (outer setae in first, inner setae in second). P1: 1,1,2; 1,1,4. P2: 1,0,2; 0,1,5. P3: 1,0,1; 0,1,5. P4: 0,0,1; 0,1,5.
Prosome length/urosome length = 1.15-1.34.


Species Oithona longispina - Plate 4 of morphological figuresIssued from K.-I. & D.-H. Lim in The Korean J. Syst. Zool., 1993, 9 (2). [Key of female]: ]Morphological characters of Oithona longispina female in Korean waters :
1 - Anterior part of prosome produced into pointed rostrum in dorsal view.
2 - Exopod 3rd segment of P1 with 2 outer marginal spines.
3 - Number of setae in exopod of Md more than 3, and prosome length than 3.0 times of prosome width.
4 - Outer marginal spine in exopod 3rd segment of P4 curved straight near base.
5 - Length of marginal spine in exopod 3rd segment of P2 less than 0.7 times of that of terminal spine.


Species Oithona longispina - Plate 5 of morphological figuresIssued from : K.-I. Yoo & D.-H. Lim in The Korean J. Syst. Zool., 1993, 9 (2) [p.99, Fig.2, F, J]
Female (from East and South Korean Waters): F, Md; J, P4 (Note the form of outer margin spine on the 3rd exopodal segment.)

Compl. Ref.:
Hirakawa & al., 1990 (tab.3); Yoo, 1991 (tab.1); Kim & al., 1993 (p.271); Ragosta & al., 1995 (Appendix A); Shih & Young, 1995 (p.75); Hsieh & Chiu, 1998 (tab.2); Hajdëri, 1998 (p.119); Siokou-Frangou, 1999 (p.478); Ueda & al., 2000 (tab.1); Lo & al., 2004 (p.468, tab.2); Mazzocchi & al., 2005 (p.155); Isari & al., 2006 (p.250: tab.II); C.-Y. Lee & al., 2009 (p.151, Tab.2); Chiba & al., 2009 (p.1846, Table 1, occurrence vs temperature change); Mazzocchi & Di Capua, 2010 (p.428); Mazzocchi & al., 2011 (p.1163, Table II, fig.6, long-term time-series 1984-2006); Mazzocchi & al., 2012 (p.135, annual abundance 1984-2006); Tachibana & al., 2013 (p.545, Table 1, seasonal change 2006-2008); Mazzocchi & al., 2014 (p.64, Table 3: occurrence); Benedetti & al., 2016 (p.159, Table I, fig.1, functional characters); Benedetti & al., 2018 (p.1, Fig.2: ecological functional group)
NZ: 7

Distribution map of Oithona longispina by geographical zones
Species Oithona longispina - Distribution map 3Issued from : S. Nishida in Bull. Ocean Res. Inst., Univ. Tokyo, 1985, No 20. [p.124, Fig.71].
Indo-Pacific geographical distribution of Oithona longispina. Arrows indicate the stations where the form intermediate between O. atlanticaO. longispina have been collected. Dotted line: AC, Arctic Convergence; SC, Subtropical Convergence.
Loc:
S Atlant., Medit. (Ligurian Sea, Tyrrhenian Sea, G. of Napoli, N & S Adriatic Sea, Aegean Sea, G. of Saronikos), S Indian, China Seas (Yellow Sea, East China Sea, South China Sea), Taiwan (NW), Tapong Bay), S & E Korea, Japan, Tokyo Bay, Kuroshio/Oyashio regions, Pacif. (tropical), SE Pacif.
N: 28
Lg.:
(155) F: 1,55-0,93; (627) F: 1,07-0,92; (1239) F: 0,98-1,07; {F: 0,92-1,55}
Rem.: epipelagic.
After Nishida & al. (1977) this species is the same as Shuvalov's (1972) southern, smaller form of O. atlantica. See Remarks in Yoo & Lim (1993, p.93) in Oithona atlantica in the Korean Waters.
After Benedetti & al. (2018, p.1, Fig.2) this species belonging to the functional group 6 corresponding to small ambush feeding omnivorous.
Last update : 29/11/2019
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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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