Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Aetideidae ( Family )
            Batheuchaeta ( Genus )
Batheuchaeta peculiaris  Markhaseva, 1983   (F,M)
Markhaseva, 1983 a (p.1741, Descr.F, figs.F); 1986 a (p.843, Descr.M, figs.M); 1996 (p.58, figs.F,M)
Species Batheuchaeta peculiaris - Plate 1 of morphological figuresissued from : E.L. Markhaseva in Trudy Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.62, Fig.42].
Male (from Markhaseva, 1986). R: rostrum; Ri: endopod.

Species Batheuchaeta peculiaris - Plate 2 of morphological figuresissued from : E.L. Markhaseva in Zool. Zh., 1986, LXV, 6. [p.845, Fig.3].
Male (from 45°48'N, 153°33'E): 1, habitus (dorsal); 2,rostrum (laterofrontal); 3, posterior prosome and urosome (dorsal); 4, A1; 5, Md (mandibular palp); 6, P1; 7, P2; 8, right P5; 9, left P5.

Species Batheuchaeta peculiaris - Plate 3 of morphological figuresissued from : E.L. Markhaseva in Zool. Zh., 1983, LXII (11). [p.1741, Fig.1].
Female (from 45°49'N, 153°33'E): 1-2, habitus (dorsal and lateral, respectively); 3, forehead (lateral); 4, rostrum (frontal view); 5, urosome (dorsal); 6, last thoracic segment and genital segment (right lateral); 7 same (left lateral); 8, genital field; 9, A1; 10, A2; 11, Md (mandibular palp); 12, Md (cutting edge of the mandibular blade); 13, Mx1; 14, Mx2.

Species Batheuchaeta peculiaris - Plate 4 of morphological figuresissued from : E.L. Markhaseva in Zool. Zh., 1983, LXII (11). [p.1742, Fig.2].
Female: 1, Mxp; 2, P1; 3, P2; 4, P3; 5, P4 (exopod missing).

Species Batheuchaeta peculiaris - Plate 5 of morphological figuresBatheuchaeta peculiaris female:
1 - Genital segment strongly asymmetrical, with deep excavation in the middle of left side (dorsal view).
2 - Left side of the last thoracic segment with pocket-like projection.

Species Batheuchaeta peculiaris - Plate 6 of morphological figuresBatheuchaeta peculiaris male:
1 - Exopodal segment 2 of P2 anterior surface with a row of minute denticles near the base of external spine. Denticles of endopodal segment 1 of P1 external lobe arranged apically.
2 - Left endopod of P5 with excavation, bilobated.
3 - Left endopod of P5 excavation not deeply concave, dividing endopod plate into 2 short lobes.

Compl. Ref.:
Razouls & al., 2000 (p.343, tab. 4, Appendix); Park & Ferrari, 2009 (p.143, Table 4, 6: bipolar distribution, Appendix 1, biogeography, Rem. p.167);
NZ: 2

Distribution map of Batheuchaeta peculiaris by geographical zones
Kuril-Kamchatka, Antarct. (SE Pacif.).

Type locality: 45°49'N, 153°33'E.
N: 3
(211) F: 4,6; (212) M: 4,15; {F: 4,60; M: 4,15}
Rem.: abyssopelagic.
Sampling depth (Antarct.) : 300 m.
Species probably bipolar.
Last update : 29/12/2014
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 Any use of this site for a publication will be mentioned with the following reference :

Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2024. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed May 25, 2024]

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