Fiche d'espèce de Copépode
Cyclopoida ( Ordre )
    Oncaeidae ( Famille )
        Spinoncaea ( Genre )
Spinoncaea tenuis  Böttger-Schnack, 2003   (F,M)
Syn.: Oncaea sp.K Böttger-Schnack, 1992; 1995
Ref.:
Böttger-Schnack, 2003 (p.215, figs.F,M); Böttger-Schnack & al., 2004 (p.1130, tab.1, Rem.); Vives & Shmeleva, 2010 (p.333, figs.F,M, Rem.)
Espèce Spinoncaea tenuis - Planche 1 de figures morphologiquesissued from : R. Böttger-Schnack in Zool. J. Linnean Soc., London, 2003, 137. [p.216, Fig.12].
Female (from Red Sea): A, habitus (dorsal); B, idem (lateral left side); C, urosome (dorsal, setae V and VII on left side and setae IV-V on right side omitted); D, idem (lateral right side); E, A1; F, caudal ramus (dorsal, setae are numbered using Roman numerals); G, genital aperture; H, P5 (exopod, dorsal); I, idem (lateral).
Nota: Proportional lengths (%) of urosomites and caudal rami 7.2:54.6:5.1:5.1:15.0:13.0. Relative lengths (%) of segments of A1 measured along posterior non-setigerous margin 8.0:17.8:41.7:14.7:7.4:10.4. Anal somite about as wide as long, slightly shorter than caudal rami (measured along outer margin) or slightly longer than caudal rami (measured along inner margin). Caudal ramus 1.9 times longer than wide measured along inner margin and 2.3 times longer than wide measured along outer margin.


Espèce Spinoncaea tenuis - Planche 2 de figures morphologiquesissued from : R. Böttger-Schnack in Zool. J. Linnean Soc., London, 2003, 137. [p.217, Fig.13].
Female: A, A2; B, labrum (anterior); C, idem (posterior); D, Md (showing individual elements); E, Mx1; F, Mx2; G, Mxp (anterior); H, paragnaths (ventral).


Espèce Spinoncaea tenuis - Planche 3 de figures morphologiquesissued from : R. Böttger-Schnack in Zool. J. Linnean Soc., London, 2003, 137. [p.219, Fig.14].
Female: A, P1 (anterior); B, P2 (anterior); C, P3 (posterior); D, P4 (posterior).


Espèce Spinoncaea tenuis - Planche 4 de figures morphologiquesissued from : R. Böttger-Schnack in Zool. J. Linnean Soc., London, 2003, 137. [p.220, Fig.15].
Male (from Red Sea): A, habitus (dorsal); B, mxp (anterior, syncoxa missing) [b, inner margin of basis, posterior]; C, idem (medial view); D, urosome (dorsal, seta V omitted); E, idem (seta V on right side omitted); F, idem (lateral right side); G, A1 [g, inner margin of segments 1-3, showing ornamentation].
Nota: Proportional lengths (%) of urosomites and caudal rami 7.4:57.1:2.7:3.1:3.1:13.7:12.9. Relative lengths (%) of segments of A1 measured along posterior non-setigerous margin 9.5:16.9:45.9:27.7.


Espèce Spinoncaea tenuis - Planche 5 de figures morphologiquesissued from : R. Böttger-Schnack in Zool. J. Linnean Soc., London, 2003, 137. [p.222, Fig.16].
Female (from Adriatic Sea): A, habitus (dorsal, pore pattern on prosome not discerned); B, urosome (dorsal); C, P4 (posterior).

Male (from Adriatic Sea): D, habitus (dorsal, pore pattern not fully discerned).


Espèce Spinoncaea tenuis - Planche 6 de figures morphologiquesissued from : R. Böttger-Schnack in Zool. J. Linnean Soc., London, 2003, 137. [p.223, Table 8].
Variation in length-to-width ratio (measured dorsally) of urosomites and caudal rami in form variants of female from different geographical regions.
N = number of individuals measured; m = margin.

Ref. compl.:
Nishibe & al., 2009 (p.491, Table 1: seasonal abundance); Böttger-Schnack & Schnack, 2009 (p.131, Table 3, Rem.)
NZ: 5

Carte de distribution de Spinoncaea tenuis par zones géographiques
Loc:
Medit. (Alboran Sea, Adriatic Sea, Ionian Sea, Balearic Basin, Lebanon Basin), Red Sea, G. of Aqaba, G. of Aden, Strait of Bab al Mandab, N Arabian Sea, Japan (Tosa Bay, Kuroshio & Oyashio regions), NE Pacif. (off Monterey, California)
N: 4
Lg.:
(913) F: 0.28-0,3; M: 0,28-0,3; {F: 0,28-0,30; M: 0,28-0,30}
Rem.: epi-mesopelagic.
2 forms:
Spinoncaea tenuis "typical form": Böttger-Schnack, 2003 (p.222, Rem.)
Spinoncaea tenuis "elongate form": Böttger-Schnack, 2003 (p.222, Rem.)
Dernière mise à jour : 01/02/2015

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Razouls C., Desreumaux N., Kouwenberg J. et de Bovée F., 2005-2020. - Biodiversité des Copépodes planctoniques marins (morphologie, répartition géographique et données biologiques). Sorbonne Université, CNRS. Disponible sur http://copepodes.obs-banyuls.fr [Accédé le 03 décembre 2020]

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