Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Diaixidae ( Family )
            Diaixis ( Genus )
Diaixis hibernica  (A. Scott, 1896)   (F,M)
Syn.: Scolecithrix hibernica A. Scott, 1896 (p.362, figs.F,M); Giesbrecht & Schmeil, 1898 (p.47, Rem.F,M); T.Scott, 1902 (p.451)
Ref.:
Sars, 1902 (1903) (p.59, figs.F,M); Rose, 1933 a (p.160, figs.F,M); Marques, 1959 (p.212, figs.F,M); Vervoort, 1965 (p.87, Rem.); Marques, 1966 (p.3, fig.M); Vives, 1966 (p.80, figs.F,M); Vilela, 1968 (p.20, figs.F,M); Corral Estrada & Genicio de Corral, 1970 (p.26, figs.F); Razouls, 1972 (p.94, Annexe: p.58, figs.F,M); Andronov, 1979 (p.98-99); Bradford & al., 1983 (p.123); Ferrari & Markhaseva, 1996 (p.280, figs.F,M); Andronov, 2002 (p.20, figs.F,M, Juv.M); Boxshall & Halsey, 2004 (p.96, 97: figs.F,M); Vives & Shmeleva, 2007 (p.640, figs.F,M, Rem.); Blanco-Bercial & al., 2011 (p.103, Table 1, Biol. mol, phylogeny); Laakmann & al., 2019 (p.330, fig. 2, phylogenetic relationships)
Species Diaixis hibernica - Plate 1 of morphological figuresissued from : G.O. Sars in An Account of the Crustacea of Norway. Vol. IV. Copepoda Calanoida. Published by the Bergen Museum, 1903. [Pl. XXXIX].
Female & Male.


Species Diaixis hibernica - Plate 2 of morphological figuresissued from : G.O. Sars in An Account of the Crustacea of Norway. Vol. IV. Copepoda Calanoida. Published by the Bergen Museum, 1903. [Pl. XL].
Female.
Nota: M = Md; m = Mx1; mp1 = Mx2; mp2 = Mxp.


Species Diaixis hibernica - Plate 3 of morphological figuresissued from : F.D. Ferrari & E.L. Markhaseva in Proc. Biol. Soc. Washington, 1996, 109 (2). [p.281, Fig.9].
Female (from Raunefjord, Norway): A, Mx1 (posterior); B, Mx2 inner lobes 1-4 on syncoxa (posterior), lobe 5 with 1 seta cutoff also shown; C, Mx2 (inner lobe 5 on basis and inner lobe 6 + exopod (anterior); D, Mxp (setation of endopod not shown); E, Mxp (endopod, b= distal tip of basis, numbers indicate relative appearance of ramal segments during development); F, P1 (endopod, anterior; arrow indicates approximate position of presumptive boundary between endopod 1 and 2, between proximal two medial setae); G, P1 (endopod, posterior).
bars: 1 = 0.1 mm (A-D); 2 = 0.1 mm (E); 3 = 0;1 mm (F, G).
Nota: Mx1 with outer lobe with 8 setae; exopod 1-segmented with 8 setae; baseoendopod with sets of 3, 3, 3, and 3 setae; inner lobes: 1 with 8 apical setae, 2 with 2 setae, 3 with 3 setae. Mx2 with innerl lobes 1-4 on coxa each with 4, 3, 3, 3 setae, respectively; inner lobe 5 on basis with 4 setae; inner lobe 6 + exopod an indistintly segmented complex with 8 Bradford's setae (terminal 3thick without setules, 5 thinner with apical setules)


Species Diaixis hibernica - Plate 4 of morphological figuresissued from : F.D. Ferrari & E.L. Markhaseva in Proc. Biol. Soc. Washington, 1996, 109 (2). [p.282, Fig.10].
Male: A, Mx1 (posterior); B, Mx2; C, Mxp (coxa and basis).
Bars: 1 = 0.1 mm (A, B); 2 = 0.1 mm (C)


Species Diaixis hibernica - Plate 5 of morphological figuresissued from : V.N. Andronov in Arthropoda Selecta, 2002, 11 (1). [p.22, Figs.56-63]. After Sars, 1903.
Female: 56-57, habitus (dorsal and lateral, respectively); 58, corners of thoracic segment 5 and urosome (dorsal); 59, P1; 60, P4.

Male: 61, habitus (lateral); 62, P5; 63, distal end of left P5.


Species Diaixis hibernica - Plate 6 of morphological figuresissued from : V.N. Andronov in Arthropoda Selecta, 2002, 11 (1). [p.23, Figs.64-69].
Female: 64, thoracic segment 5, genital segment and urosomal segment 2 (dorsal); 65, genital segment (ventral); 66-67, thoracic segments 4 and 5 (left and right views, respectively); 68, Mx2; 69, one of brush-like setae on endopod of Mx2.


Species Diaixis hibernica - Plate 7 of morphological figuresssued from : V.N. Andronov in Byull. Mosk. Obshch. Ispyt. Prir. , Otdel Biol., n. ser., 1979, 84 (4). [p.98, Figs.1-5]. As Diaixis hibernica tropica.
Female: 1, genital segment (ventral); 2, 4, last thoracic segments (lateral left and right side, respectively); 3, last thoracic segment and urosomal segments 1 and 2; 5, one of the brush-like setae of Mx2.


Species Diaixis hibernica - Plate 8 of morphological figuresissued from : C. Razouls in Th. Doc. Etat Fac. Sc. Paris VI, 1972, Annexe. [Fig.46].
Female (from Banyuls, G. of Lion): B, posterior part of metasome (lateral).

Male: A, P5; A'-B', distal end of terminal segments (enlarged).

Compl. Ref.:
Pearson, 1906 (p.19, Rem.); Djordjevic, 1963 (p.576, 578: Rem.); Mazza, 1966 (p.71); Neto & Paiva, 1966 (p.24, Table III); Matthews, 1967 (p.159, Table 1, Rem.); Bainbridge, 1972 (p.61, Appendix Table I: vertical distribution vs day/night); Binet & al., 1972 (p.69); Dessier, 1979 (p.132, 201, 205); Kovalev & Shmeleva, 1982 (p.84); Vives, 1982 (p.292); Lozano Soldevilla & al., 1988 (p.58); Falkenhaug & al., 1997 (p.449, spatio-temporal pattern); Sautour & al., 2000 (p.531, Table II, abundance); d'Elbée, 2001 (tabl.1); Holmes, 2001 (p.54, Rem.); Beaugrand & al., 2002 (p.179, figs.5, 6); Bode & al., 2003 (p.85, Table 1, abundance); Fernandez de Puelles & al., 2007 (p.338, fig.7); Valdés & al., 2007 (p.104: tab.1); Cabal & al., 2008 (289, Table 1); Eloire & al., 2010 (p.657, Table II, temporal variability); Belmonte & al., 2013 (p.222, Table 2, abundance vs stations); Sobrinho-Gonçalves & al., 2013 (p.713, Table 2, seasonal abundance vs environmental conditions); Belmonte, 2018 (p.273, Table I: Italian zones)
NZ: 4

Distribution map of Diaixis hibernica by geographical zones
Species Diaixis hibernica - Distribution map 3
Chart of 1996
Loc:
Angola, Baia Farta, Congo, G. of Guinea, Ivorian shelf, Morocco-Mauritania, Canary Is., Portugal, off Coruña, S Bay of Biscay, off Gironde estuary, Ireland, Scotland, Loch Etive, W Norway, Malangen fjord, Raunefjorden (all the year), North Sea, W Medit. ( Villefranche-sur-mer, Marseille, Banyuls, Castellon, Taranto)
N: 36
Lg.:
(16) F: 0,73; M: 0,649; (47) F: 1,2; (54) F: 0,83; M: 0,79-0,71; (65) F: 1,2; M: 1,1; (327) F: 0,91-0,76; M: 0,81-0,68; (379) F: 1,04-0,94; M: 0,94-0,88; (381) F: 1,2; (881) F: 0,94-1,2; M: 0,88-1,1; {F: 0,73-1,20; M: 0,65-1,10}
Rem.: hyperbenthic (bottom dweller, living on or in the vicinity of a soft, muddy bottom of moderately deep to deep water), inshore; 110 m in Loch Etive (Scotland).
Last update : 05/02/2020
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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 24, 2021]

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