Candacia cheirura - Fiche d'espèce - Copépodes planctoniques marins

Candacia cheirura Cleve, 1904 (F,M)

Taxonomy

Ordre Calanoida

détails

Superfamille Diaptomoidea

détails

Famille Candaciidae

détails

Genre Candacia

détails liste des espèces pour ce genre

Abréviations ou symboles

Synonymie

Candacia chirura : Fleminger & Bowman, 1956 (p.336, fig.F); Unterüberbacher, 1964 (p.31, figs.F,M))

Références

Liste des auteurs étudiés

Cleve, 1904 a (p.196: as chirura, p.198, F & M, Pl. I,II); Farran, 1929 (p.210, 273, figs.F,M, Rem.); Vervoort, 1957 (p.142, Rem.); Grice, 1963 (p.175, 182, 189); Unterüberbacher, 1964 (p.31, figs.F, M); Ramirez, 1971 (p.87); Bradford, 1972 (p.48, figs.F,M); Lawson, 1977 (p.71, tab.2, 3, 4, fig.5); Björnberg & al., 1981 (p.657, figs.F,M); Mazzocchi & al., 1995 (p.71, figs.F,M, Rem.); Bradford-Grieve & al., 1999 (p.885, 956, figs.F,M); Bradford-Grieve, 1999 b (p.166, figs.F,M, Rem., figs.182, 193); Park & Ferrari, 2009 (p.143, Table 3, Appendix 1, biogeography from Southern Ocean)

Figures

Planche 1 issued from : G.P. Farran in British Antarctic (\"Terra Nova\") Expedition, 1910. Natural History Reports. Zoology. Vol. VIII. Crustacea, 1929. [p.274, Fig.29].
Female: a, habitus (dorsal view); b, urosome (left lateral view).
Male: c, distal part of prosome and urosome (dorsal view); d, clasping joints of right A1; e, fifth feet.

Species Candacia cheirura - Planche 2 of morphological figures

Planche 2 issued from : Bradford-Grieve J.M. in The Marine Fauna of New Zealand: Pelagic Calanoid Copepoda. National Institute of Water and Atmospheric Research (NIWA). NIWA Biodiversity Memoir, 111, 1999. [p.162, Fig.113].
Female: A, habitus (left lateral side); B, idem (dorsal); C, genital somite (left lateral side); D, A1; E, A2; F, Md (mandibular blade); G, Md (mandibular palp); H, Mx1; I, Mx2; J, Mxp.

Species Candacia cheirura - Planche 3 of morphological figures

Planche 3 issued from : Bradford-Grieve J.M. in The Marine Fauna of New Zealand: Pelagic Calanoid Copepoda. National Institute of Water and Atmospheric Research (NIWA). NIWA Biodiversity Memoir, 111, 1999. [p163 (legend in Fig.113).
Female: K, P1; L, P2; M, P3; N, P4; O, P5.

Species Candacia cheirura - Planche 4 of morphological figures

Planche 4 issued from : Bradford-Grieve J.M. in The Marine Fauna of New Zealand: Pelagic Calanoid Copepoda. National Institute of Water and Atmospheric Research (NIWA). NIWA Biodiversity Memoir, 111, 1999. [p.164, Fig.114].
Male: A, habitus (left lateral side); B, idem (dorsal); C, right A1; D, A2; E, Md; F, Mx1; G, Mx2; H, Mxp.

Species Candacia cheirura - Planche 5 of morphological figures

Planche 5 issued from : Bradford-Grieve J.M. in The Marine Fauna of New Zealand: Pelagic Calanoid Copepoda. National Institute of Water and Atmospheric Research (NIWA). NIWA Biodiversity Memoir, 111, 1999. [p.165, (legend in Fig.114].
Male: I, P1; J, P2; K, P3; L, P4 (exopod segment 3 inner edge with 4 setae on one side and 5 on the other); M, P5 (L = left leg; R = right leg); N, terminal part of right P5.

Species Candacia cheirura - Planche 6 of morphological figures

Planche 6 Issued from: M.G. Mazzocchi, G. Zagami, A. Ianora, L. Guglielmo & J. Hure in Atlas of Marine Zooplankton Straits of Magellan. Copepods. L. Guglielmo & A. Ianora (Eds.), 1995. [p.72, Fig.3.8.1].
Female: A, urosome (dorsal); B, P5.
Nota: Proportional lengths of urosomites and furca 44 : 26 : 15 : 15 = 100.

Male: C, urosome (dorsal); D, P5.
Nota: Proportional lengths of urosomites and furca 18 : 24 : 21 : 13 : 10 : 14 = 100.

Species Candacia cheirura - Planche 7 of morphological figures

Planche 7 Issued from: M.G. Mazzocchi, G. Zagami, A. Ianora, L. Guglielmo & J. Hure in Atlas of Marine Zooplankton Straits of Magellan. Copepods. L. Guglielmo & A. Ianora (Eds.), 1995. [p.73, Fig.3.8.2].
Female (SEM preparation): A, habitus (sorsal); B, urosome (dorsal); C, urosome bearing spematophore (lateral right side); D, large protuberance on left side of 2nd urosomal somite; E, P5
Bars: A-D 0.100 mm; E 0.050 mm.

Species Candacia cheirura - Planche 8 of morphological figures

Planche 8 Issued from: M.G. Mazzocchi, G. Zagami, A. Ianora, L. Guglielmo & J. Hure in Atlas of Marine Zooplankton Straits of Magellan. Copepods. L. Guglielmo & A. Ianora (Eds.), 1995. [p.74, Fig.3.8.3].
Male (SEM preparation): A, habitus (dorsal); B, right corner of last thoracic and 1st urosomal somites; C, detail of flap-like projection on dorsal side of 1st thoracic somite (arrow in A); D, detail of acorn-like swelling on right corner of thorax (arrow in B).
Bars: A 0.100 mm; B 0.050 mm; C-D 0.010 mm.

Species Candacia cheirura - Planche 9 of morphological figures

Planche 9 issued from : F.C. Ramirez in Revta Mus. La Plata, Seccion Zool., 1971, XI.[Lam.II, Figs.4, 7, 11].
Male (from off Patagonia): 4, right P5 (distal segments); 7, urosome (dorsal); 11, posterior part cephalothorax.
Scale bars in mm: 0.4 (4, 7, 11).

Species Candacia cheirura - Planche 10 of morphological figures

Planche 10 issued from : J.M. Bradford in Mem. N. Z. Oceonogr. Inst., 1972, 54. [p.49, Fig.13, (3-6).
Female (from Kaikoura, New Zealand): 3, habitus (dorsal); 5, P5.

Male: 4, prortion of last thoracic segment and genital segment (dorsal); 6, P5.

Scale bars: 1 mm (3); 0.1 mm (4, 5, 6).

Species Candacia cheirura - Planche 11 of morphological figures

Planche 11 issued from : H.K. Unterüberbacher in Investl Rep. mar. Res. Lab. S.W. Afr., 1964, 11. [Pl.31]. As Candacia chirura.
Female (from off Namibia): habitus (dorsal); P5, genital segment and urosomal segment 2 (lateral, right side).

Species Candacia cheirura - Planche 12 of morphological figures

Planche 12 issued from : H.K. Unterüberbacher in Investl Rep. mar. Res. Lab. S.W. Afr., 1964, 11. [Pl.32]. As Candacia chirura.
Male: habitus (dorsal), P5.

Planche 13 issued from : A. Fleminger & T.E. Bowman in Proc. U.S. Natn. Mus. 1956, 106, No 3370. [p.335, Fig.2, n].
Female (after Farran, 1929): n, urosome (lateral, left side).

Planche 14 Issued from : J.M. Bradford-Grieve, E.L. Markhaseva, C.E.F. Rocha & B. Abiahy in South Atlantic Zooplankton, edit. D. Boltovskoy. 1999, Vol. 2, Copepoda; [p.1064, Fig. 7.364: Candacia cheirura ]. Ur = urosome; r = right leg; l = left leg.

Female characteristics (from key, p.956) :
- In lateral view, ventral protrusion of urosomal segment 2 directed obliquely posteriad; terminal segment of P5 with 2 small, outer, spine-like points and 3 spine-like points distally, middle one of which is longest.
- In dorsal view, protrusion on ventral surface or urosomal segment 2 not visible; apex of P5 ends in 2 or more points.
- In dorsal view, lateral margins of genital segment not pointed.
- Urosomal segment 2 with ventral protrusion.
- Posterior corners of prosome pointed.

Male characteristics (from key, p.956) :
Distal segment of left P5 longer than penultimate segment.
- In dorsal view, distal end of process on right side of genital segment ending in point.
- Right A1 with segments 2 and 3 separate.
- In dorsal view, genital segment with protrusion on right side.
- Left posterior corner of the prosome pointed.

Références complémentaires

Liste des auteurs étudiés

Sewell, 1948 (p.453, 454, 570, 573); De Decker, 1968 (p.45); Björnberg, 1973 (p.349, 385); Brenning, 1985 a (p.28, Table 2); 1987 (p.30, Rem.); Errhif & al., 1997 (p.422); Razouls & al., 2000 (p.343, tab. 3, Appendix); Berasategui & al., 2005 (p.313, fig.2); Schnack-Schiel & al., 2010 (p.2064, Table 2: E Atlantic subtropical); Tutasi & al., 2011 (p.791, Table 2, abundance distribution vs La Niña event); Bode M. & al., 2013 (p.1, Table 1, respiration rate & ETS activity); Acha & al., 2020 (p.1, Table 3: occurrence % vs ecoregions).

Distribution

NZ: 8

Carte de distribution de Candacia cheirura par zones géographiques

Distribution map of Candacia cheirura for the Zone Indian Ocean

Distribution map of Candacia cheirura and for the Zone Sub-Antarctic

Cartes et graphiques additionels

Espèce Candacia cheirura - Carte de distribution 4

Carte 4 issued from : T.J. Lawson in Marine Biology, 1977, 43. [Fig.5, p.81].
Distribution map for the Indian Ocean.

Carte 5 Issued from : M. Bode, A. Schukat, W. Hagen & H. Auel in J. Exp. Mar. Biol. Ecol., 2013, 444. [p.3, Table 1].
Dry mass, individual respiration rate from the northern Benguela Current upwelling system along transects at 23°S and 26°40'S, off Walvisbay and Lüderitz (Namibia).

Localisations

Glossaire géographique

sub-Antarct. (S Indian, S Tasmania, Auckland & Campbell Is., SE Pacif.), New Zealand (Kaikoura, S South Island, sub-Antarct.), Tasman Sea, S Indian (subtropical convergence), South Africa (W), Namibia, SE Atlant., Argentina-S Brazil, Chile, Straits of Magellan, Galapagos-Ecuador (in Tutasi & al., 2011 (p.97, Table 2)

Citations

N: 19 (sub-Antarct.: 2; S Atlant.: 10; Indian: 3; Pacif.: 4)

Dimensions (mm)

Références de auteurs concernant les dimensions

(35) F: 2,55-2,45; M: 2,4-2,34; (36) F: 3,12-2,27; M: 2,84-2,18; (116) F: 2,59; M: 2,45; (202) F: 3; M: 2,03; (432) F: 2,83-2,45; M: 2,55-2,4; (909) F: 2,25-2,7; M: 2,2; 2,35; (1110) F: 2,35-2,74; {F: 2,25-3,12; M: 2,03-2,84}

The mean female size is 2.650 mm (n = 12; SD = 0.2601), and the mean male size is 2.374 mm (n = 10; SD = 0.2219). The size ratio (male : female) is 0.88 (n = 6; SD = 0.1057.

Remarques

épi-mésopélagique.
Profondeur d'échantillonnage (sub-Antarct.) : 0-100 m.

Voir aussi les remarques en anglais

Dernière mise à jour : 28/11/2020