Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Clausocalanoidea ( Superfamille )
        Aetideidae ( Famille )
            Undeuchaeta ( Genre )
Undeuchaeta plumosa  (Lubbock, 1856)   (F,M)
Syn.: Undina plumosa Lubbock, 1856;
Euchaeta australis Brady, 1883 (p.65, figs.F,M); T. Scott, 1894 b (p.58);
Undeuchäta minor Giesbrecht, 1888; 1892 (p.228, 232, figs.F);
Undeuchaeta minor : Giesbrecht & Schmeil, 1898 (p.34); Giesbrecht & Schmeil, 1898 (p.34); Cleve, 1904 a (p.198); Esterly, 1905 (p.149, figs.F); Pearson, 1906 (p.15, Rem.); Van Breemen, 1908 a (p.44, fig.F); Farran, 1908 b (p.37); With, 1915 (p.132, figs.F,M); Willey, 1919 (p.178); Farran, 1920 (p.18); Lysholm & Nordgaard, 1921 (p.16); Bigelow, 1926 (p.295); Farran, 1926 (p.253); 1929 (p.208, 233, Rem.); Wilson, 1932 a (p.61, figs.F,M); Oliveira, 1945 (p.191); Sewell, 1948 (p.519); Chiba, 1956 (p.53, figs.F); Chiba & al., 1957 (p.308); Timonin, 1971 (p.281, trophic group);
Undeuchaete minor : Giesbrecht, 1892 (p.228, 232, figs.F); Thompson & Scott, 1903 (p.233, 244); Esterly, 1905 (p.149, figs.F); With, 1915 (p.132, figs.F,M); Farran, 1926 (p.253); 1929 (p.233);
U. australis : Sars, 1905 b (p.4);
U. intermedia : Bradford, 1970 (p.354, fig.8: F).
Ref.:
A. Scott, 1909 (p.62, figs.M, Rem.F,M); Sars, 1925 (p.79, Rem.F,M); Rose, 1929 (p.24); 1933 a (p.108, figs.F,M); 1936 a (p.89); Mori, 1937 (1964) (p.41, figs.M); Jespersen, 1940 (p.26); Lysholm & al., 1945 (p.19); C.B. Wilson, 1950 (p.348, fig.M, Rem.F); Brodsky, 1950 (1967) (p.182, figs.F,M); Vervoort, 1952 h (n°49, p.3, figs.F,M); Tanaka, 1957 b (p.199, figs.F,M); Vervoort, 1957 (p.70, Rem.); Grice, 1962 (p.199, figs.F,M); Vervoort, 1963 b (p.154); Owre & Foyo, 1967 (p.50, figs.F,M); Park, 1968 (p.551); Ramirez, 1969 (p.61, figs.M); Bradford, 1970 a (p.354, fig.M); Tanaka & Omori, 1970 b (p.145); Corral Estrada, 1970 (p.153, figs.F); Bradford, 1972 (p.40, figs.F); Bradford & Jillett,1980 (p.83, figs.F,M, fig.73, distribution chart); Björnberg & al., 1981 (p.605, 632, figs.F,M); Markhaseva, 1996 (p.310, figs.F,M); Chihara & Murano, 1997 (p.689, Pl.48,49: F,M); Bradford-Grieve & al., 1999 (p.879, 923, figs.F,M); Conway & al., 2003 (p.178, figs.F,M, Rem.); Mulyadi, 2004 (p.52, figs.F,M, Rem.); Vives & Shmeleva, 2007 (p.605, figs.F,M, Rem.)
Espèce Undeuchaeta plumosa - Planche 1 de figures morphologiquesissued from : O. Tanaka in Publ. Seto Mar. Biol. Lab., 1957 b, 6 (2). [Fig.58, p.200].
Female (from Sagami & Suruga): a, habitus (dorsal aspect); b, head (lateral aspect); c, last thoracic segment and urosome (lateral aspect); d, last thoracic segment and genital segment (lateral aspect, right side); e, idem (ventral aspect); f, Mxp.; g, P1; h, P2; i, endopodite of P4.

Male: j, head (lateral aspect); k, last thoracic segment and urosome (lateral aspect); l, exopodite of P1; m, P5.

Nota Female:
- Cephalothorax about 3.5 times the abdomen length (2.8 : 0.81).
- Head and 1st pedigerous segment fused, 4th and 5th pedigers fused.
- Posterolateral corners of the last thoracic segment asymmetrical; left side produced bluntly triangularly .
- Rostrum short and stout, directs downwards.
- Abdomen 4-segmented; segments and caudal rami in the proportional lengths 45 : 24 : 20 : 2 : 9 = 100.
- Genital segment asymmetrical , with a dorsal spine on the right margin about the middle, and a row of hairs on the distal corner; left lateral marginwith near the base a low protuberance or something like cement substance which runs posteriorly about to the 2/3 of the segment; the lateral distal corners of the segment furnished with groups of short hairs.
- A1 23-segmented, extends to distal end of genital segment.
- A2 exopod 2 times as long as endopod.
- Mx1 with 9 setae on outer lobe, of which the proximal 4 are short; exopod with 11 setae, of which 4 are longer.
- Mxp 2nd basal segment about 2 times as long as the 1st; endopod half the length of 1st basal segment.
- P1 exopodal segments 1 and 2 fused.
- P2 endopod 1-segmented; outer edge spine on proximal margin of endopod with an accessory tooth.
- P3 and P4 each endopod 3-segmented.
- Terminal spine of exopod of P2 to P4 with 32, 26 and 26 teeth, respectively.

Nota Male:
- Abdomen contained 2.7 times in the length of cephalothorax.
- Posterolateral corners of last thoracic segment rounded.
- Rostrum short, directs straight downwards.
- Abdomen 5-segmented; segments and caudal rami in proportional lengths 23 : 30 : 26 : 20 : 2 : 9 = 100.
- Anal segment very short, concealed beneath the 4th segment.
- 2nd and 3rd abdominal segments furnished with minute teeth on posterior margin.
- 2nd caudal seta about 2 times as long as the others; appendicular seta very short.
- A1 21-segmented, extends to distal end of last thoracic segment.
- P1 with a short outer edge spine on 2nd exopodal segment.
- P2 outer marginal spine on 2nd and 3rd exopodal segments of equal lengths.
- P5 very characteristic; endopod of left leg about as long as 1st exopodal segment; in right leg 2nd basal segment (= basis) longer than 1st exopodal segment; 3rd exopodal segment elongated.


Espèce Undeuchaeta plumosa - Planche 2 de figures morphologiquesissued from : E.L. Markhaseva in Proc. Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.38, Fig.248].
Female (from NE Atlant.). Ce: forehead (lateral); P.md: mandibular palp; RiP4: coxopod (partial), basipod (partial) and endopod.


Espèce Undeuchaeta plumosa - Planche 3 de figures morphologiquesissued from : E.L. Markhaseva in Proc. Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.309, Fig.249].
Male (from NE Atlant.)


Espèce Undeuchaeta plumosa - Planche 4 de figures morphologiquesissued from : J.M. Bradford & J.B. Jillett in Mem. N.Z. oceanogr. Inst., 86, 1980. [p.84, Fig.58].
Female: A, habitus (dorsal); B, idem (lateral right side); C, genital segment (lateral right side); D, idem (dorsal).

Male: E, habitus (dorsal); F, idem (lateral left side); G, P5.


Espèce Undeuchaeta plumosa - Planche 5 de figures morphologiquesissued from : J.M. Bradford in N.Z. Jl Mar. Freshw. Res., 1970, 4 (4). [p.354, Fig. 23].
Male (off Kaikoura, New Zealand): 23, P5.
Scale bar represents 0.1 mm.


Espèce Undeuchaeta plumosa - Planche 6 de figures morphologiquesissued from : F.C. Ramirez in Contr. Inst. Biol. mar., Buenos Aires, 1969, 98. [p.62, Lam. XI, figs.75 ].
Male (from off Mar del Plata): 75, habitus (dorsal).
Scale bar in mm: 1.5.


Espèce Undeuchaeta plumosa - Planche 7 de figures morphologiquesissued from : F.C. Ramirez in Contr. Inst. Biol. mar., Buenos Aires, 1969, 98. [p.60, Lam. X, figs.64, 65, 71 ].
Male (from off Mar del Plata): 64, right P5 (distal segments, ventral view); 65, left P5 (distal segments); 71, forehead (lateral).
Scale bars in mm: 0.3 (64, 65); 0.05 (71).


Espèce Undeuchaeta plumosa - Planche 8 de figures morphologiquesissued from : J. Corral Estrada in Tesis Doct., Univ. Madrid, A-129, Sec. Biologicas, 1970. [Lam.43, figs.1-2].
Female (from Canarias Is.): genital segment (dorsal); 2, idem (ventral).


Espèce Undeuchaeta plumosa - Planche 9 de figures morphologiquesIssued from : G.O. Sars in Résult. Camp. Scient. Prince Albert I, 69, pls.1-127 (1924). [Pl.XXIII, figs.1-6].
Female: 1, habitus (dorsal); 2, idem (lateral left side); 3, forehead (lateral); 4, posterior corner cephalothorax and genital segment (lateral right side).

Male: 11, habitus (lateral left side); 12, P5.


Espèce Undeuchaeta plumosa - Planche 10 de figures morphologiquesissued from : A. Scott in Siboga-Expedition, 1909, XIX a. [Plate XXII, Figs.1-8].
Male (from Indonesia-Malaysia): 1, forehead (dorsal); 2, idem (lateral); 3, last thoracic and genital segments (dorsal); 4, idem (left side); 5, P1 (exopodite only); 6, P2 (outer margin of exopodite; 7, part of terminal spine of exopodote of P3; 8, P5.


Espèce Undeuchaeta plumosa - Planche 11 de figures morphologiquesissued from : T. Mori in The pelagic Copepoda from the neighbouring waters of Japan, 1937 (2nd edit., 1964). [Pl.17, Figs.6-7]. As Undeuchaeta minor.
Male: 6,habitus (dorsal); 7, P5 (anterior).


Espèce Undeuchaeta plumosa - Planche 12 de figures morphologiquesissued from : C.O. Esterly in Univ. Calif. Publs Zool., 1905, 2 (4). [p.149, Fig.17]. As Undeuchaeta minor.
Female (from San Diego): a, habitus (lateral); b, P2.
Nota: Head without crest. Genital segment with 1 spine on the dorsal surface.


Espèce Undeuchaeta plumosa - Planche 13 de figures morphologiquesissued from : J.M. Bradford in Mem. N. Z. Oceonogr. Inst., 1972, 54. [p.41, Fig.8, (7-8)].
Female (from Kaikoura, New Zealand): 7, habitus (dorsal); 8, urosome (lateral, right side).
Scale bars: 1 mm.

Nota: Distinguishable from U. major Giesbrecht, by the lack of a sharp spine on the ventral surface of the genital segment.


Espèce Undeuchaeta plumosa - Planche 14 de figures morphologiquesIssued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf. 14, Figs.31-34 ]. As Eudeuchäta minor.
Female: 31, Mx1 (anterior view, several setae on the inner lobe 1 and endopod are omitted); 32, P2 (posterior view); 33, A2 (anterior view); 34, Mxp (B1: posterior view, rest: anterior view).


Espèce Undeuchaeta plumosa - Planche 15 de figures morphologiquesissued from : G.D. Grice in Fish. Bull. Fish and Wildl. Ser., 1962, 61. [p.198, Pl.12, Figs.1-14].
Female (from equatorial Pacific): 1-2, genital segment (dorsal and ventral, respectively); 3-4, posterior part of thorax and urosome (left side and right side, respectively).
Nota: Presence of a spine on the right side of the genital segment.

Male: 5-6, habitus (dorsal and lateral, respectively); 7, forehead (lateral); 8, A2; 9, Mx1 (part.); 10, Mxp ( setae on distal part omitted); 11, P1; 12, P5; 13, terminal part of left P5; 14, right P5 (part.).


Espèce Undeuchaeta plumosa - Planche 16 de figures morphologiquesIssued from : G.S. Brady in Rep. Scient. Results Voy. Challenger, Zool., 1883, 8 (23). [Pl.XXI, Figs.5-11]. As Undeuchaeta australis.
Female: 5, habitus (lateral); 7, Md; 10, urosome; 11, terminal spines of one of the swimming legs.

Male: 6, A1; 8, right P5; 9, left P5.


Espèce Undeuchaeta plumosa - Planche 17 de figures morphologiquesIssued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. - Fauna Flora Golf. Neapel, 1892, 19 , Atlas von 54 Tafeln. [Taf.37, Figs.55, 58]. As Undeuchäta minor.
Female: 55, urosome (lateral); 58, same (ventral).


Espèce Undeuchaeta plumosa - Planche 18 de figures morphologiquesissued from : Mulyadi in Published by Res. Center Biol., Indonesia Inst. Sci. Bogor, 2004. [p.53, Fig.28].
Female (from Flores Sea): a, habitus (dorsal); b, posterior corners of last thoracic segment and urosome (dorsal); c, forehead (lateral); d, posterior corner of last thoracic segment and urosome and urosome (lateral right side; e, same (lateral left side).

Male: f, habitus (dorsal); g, P5.


Espèce Undeuchaeta plumosa - Planche 19 de figures morphologiquesUndeuchaeta plumosa female:
1 - Cephalon without crest.
2 - Posterior corners of last thoracic segment not always triangular: right one usually rounded.
3 - Genital segment without spine on genital field (lateral view).


Espèce Undeuchaeta plumosa - Planche 20 de figures morphologiquesUndeuchaeta plumosa male:
1 - Cephalon without crest.
2 - Endopodite of left P5 not reaching the distal border of exopodal segment 2. The second third of endopodite external border without teeth-like projections


Espèce Undeuchaeta plumosa - Planche 21 de figures morphologiquesissued from : O. Tanaka in Publ. Seto Mar. Biol. Lab., 1957 b, 6 (2). [p.201].
Female A1: segments proportional lengths.
Segment 17 the longest; last two segments of equal lengths (23 and 24-25)
- A1 23-segmented; extends to distal end of genital segment


Espèce Undeuchaeta plumosa - Planche 22 de figures morphologiquesissued from : O. Tanaka in Publ. Seto Mar. Biol. Lab., 1957 b, 6 (2). [p.201].
Male A1: segments proportional lengths.
Articular membranes faintly visible between segments 9 and 10, and between segments 12 and 13.
- A1 21-segmented; extends to distal end of last thoracic segment.

Ref. compl.:
Wilson, 1942 a (p.210); Sewell, 1948 (p.348, 513, 520, 545, 566); Fagetti, 1962 (p.21); Grice, 1963 a (p.495); Gaudy, 1963 (p.23, Rem.); Unterüberbacher, 1964 (p.22); De Decker & Mombeck, 1964 (p.14); Grice & Hulsemann, 1965 (p.223); 1967 (p.15); Furuhashi, 1966 a (p.295, vertical distribution in Oyashio/Kuroshio transitional area, Table 8, 10); Fleminger, 1967 a (tabl.1); De Decker, 1968 (p.45); Morris, 1970 (p.2300); Park, 1970 (p.476); Gueredrat, 1971 (p.300, fig.3, 10, Table 1, 2); Roe, 1972 (p.277, tabl.1, tabl.2); 1972 a (p.341); Bainbridge, 1972 (p.61, Appendix Table III: occurrence); Björnberg, 1973 (p.325, 389); Corral Estrada & Pereiro Muñoz, 1974 (tab.I); Gaudy, 1975 (p.109, Table I, respiration); Vives & al., 1975 (p.41, tab.II, III, IV, XII); Deevey & Brooks, 1977 (p.256, tab.2, Station "S"); Carter, 1977 (1978) (p.35); Dessier, 1979 (p.205); Svetlichnyi, 1980 (p.28, Table 1, passive submersion); Pipe & Coombs, 1980 (p.223, vertical occurrence); Vives, 1982 (p.291); Brenning, 1983 (p.5, Rem.); Dessier, 1983 (p.89, Tableau 1, Rem., %); Tremblay & Anderson, 1984 (p.4, Rem.); De Decker, 1984 (p.316, 365: chart); Cummings, 1984 (p.163, Table 2); Guangshan & Honglin, 1984 (p.118, tab.); Roe, 1984 (p.357); Brenning, 1985 a (p.28, Table 2); Madhupratap & Haridas, 1986 (p.105, tab.1); Rudyakov, 1986 (tab.2); Lozano Soldevilla & al., 1988 (p.58); Heinrich, 1990 (p.17); Suarez & al., 1990 (tab.2); Suarez & Gasca, 1991 (tab.2); Hattori, 1991 (tab.1, Appendix); Suarez, 1992 (App.1); Hays & al., 1994 (tab.1); Shih & Young, 1995 (p.67); Kotani & al., 1996 (tab.2); Suarez-Morales & Gasca, 1998 a (p108); Mauchline, 1998 (tab.64); Lopez-Salgado & al., 2000 (tab.1); Lapernat, 2000 (tabl.3, 4); Razouls & al., 2000 (p.343, Appendix); Haury & al., 2000 (p.69, Table 1); d'Elbée, 2001 (tabl. 1); Holmes, 2001 (p.51); Sameoto & al., 2002 (p.13); Beaugrand & al., 2002 (p.1692); Beaugrand & al., 2002 (p.179, figs.5, 6); Hsiao & al., 2004 (p.325, tab.1); Pusch & al., 2004 (251, tab.3); Gallienne & al., 2004 (p.5, tab.3); CPR, 2004 (p.63, fig.192); Lo & al., 2004 (p.89, tab.1); Berasategui & al., 2005 (p.313, fig.2); Ikeda & al., 2006 (p.1791,Table 2); Hwang & al., 2007 (p.23); Dur & al., 2007 (p.197, Table IV); Fernandes, 2008 (p.465, Tabl.2 as U. plumosa); Gaard & al., 2008 (p.59, Table1, N Atlantic Mid-Ridge); Lan Y.C. & al., 2008 (p.61, Table 1, % vs stations); Tseng L.-C. & al., 2008 (p.153, Table 2, fig.5, occurrence vs geographic distribution); Galbraith, 2009 (pers. comm.); Park & Ferrari, 2009 (p.143, Table 5, Appendix 1, biogeography); C.E. Morales & al., 2010 (p.158, Table 1); Williamson & McGowan, 2010 (p.273, Table III, Pacific central gyres: N & S); Medellin-Mora & Navas S., 2010 (p.265, Tab. 2); Hsiao S.H. & al., 2011 (p.475, Appendix I); Tseng L.-C. & al., 2011 (p.47, Table 2, occurrences vs mesh sizes); in CalCOFI regional list (MDO, Nov. 2013; M. Ohman, comm. pers.); Hirai & al., 2013 (p.1, Table I, molecular marker); Sano & al., 2013 (p.11, Table 2, fig.5, feeding habits); Lidvanov & al., 2013 (p.290, Table 2, % composition); Hwang & al., 2014 (p.43, Appendix A: seasonal abundance); Bonecker & a., 2014 (p.445, Table II: frequency, horizontal & vertical distributions); El Arraj & al., 2017 (p.272, table 2); Belmonte, 2018 (p.273, Table I: Italian zones); Acha & al., 2020 (p.1, Table 3: occurrence % vs ecoregions); Hirai & al., 2020 (p.1, Fig. 5: cluster analysis (OTU), spatial distribution).
NZ: 22

Carte de distribution de Undeuchaeta plumosa par zones géographiques
Espèce Undeuchaeta plumosa - Carte de distribution 4Issued from : J.M. Bradford & J.B. Jillett in New Zealand Ocean. Inst. Memoir, 86, 1980. [p.90-91, Fig.69].
Distribution of several species of Undeuchaeta in the Tasman Sea and around New Zealand.
Espèce Undeuchaeta plumosa - Carte de distribution 5Issued from : P.-E. Lapernat in DEA Océanogr. Biol., Univ. P. & M. Curie, Paris VI. July 5, 2000. [Fig.13].
Verical distribution of Undeuchaeta plumosa at eutrophic (Mauritania coast: 20°32' N, 18°36' W) (1 from night and 2 from day) and oligotrophic site (off NW Cape Verde Islands: 21° N, 31° W) (3 from night and 4 from day) in females (F) and males (M) (ind. per m3) in the day (white circle) and night (black circle).

Nota: Sampling in the water column 0-1000 m, one during the day and another during the night with BIONESS multiple-net: 0-75; 75-150; 150-250; 250-350; 350-450; 450-550; 550-700; 700-850; 850-965 m. In May-June 1992.
Loc:
sub-Antarct. (Indian, SW & SE Pacif.), South Africa (E & W), Namibia, off Tristan da Cunha Is., Congo, off da Trinidade Is., G. of Guinea, off Lagos, Cape Verde Is., off Mauritania-NW Cape Verde Is., off Morocco-Mauritania, Great Meteor Seamount, Canary Is., off Madeira, off W Azores, Argentina, Brazil, off Rio de Janeiro, off Amazon, Barbados Is., Caribbean Sea, Caribbean Colombia, G. of Mexico, Florida, off Bermuda: Station "S" (32°10'N, 64°30'W), Sargasso Sea, off Woods Hole, off E Nova Scotia, G. of St. Lawrence, S Iceland, Wyville Thomson Ridge, Faroe, W Ireland, off SW Ireland, North Sea, Bay of Biscay, off W Cabo Finisterre, Portugal, Ibero-moroccan Bay, W Medit. (Banyuls, S Central Basin, Thyrrhenian Sea), Natal, Madagascar (Nosy Bé), Mascarene Basin, Rodrigues Is. - Seychelles, Indian, S Indian (subtropical convergence), Bay of Bengal, Indonesia-Malaysia, Flores Sea, China Seas (East China Sea, South China Sea), Taiwan (SW, S, N: Mienhua Canyon), Japan, Sagami Bay, off Sanriku, off Hokkaido SE, Okhotsk Sea, Mariana & Izu-Bonin Trench, Pacif. (W equatorial), Pacif. (equatorial, central subtropical N), Pacific (central gyres: N & S), Australia (Great Barrier), off S Australia, New Zealand (Kaikoura), Bikini Is., off S Hawaii, California, off Peru, Pacif. (SE tropical), Chile (N & S, Concepcion).

Type locality: Atlantic.
N: 151
Lg.:
(1) F: 4 ; M: 3,2; (5) F: 4,5-3,5; M: 3,6-3,2; (7) F: 4,65; M: 3,93; (14) F: 3,85-3,3; M: 3,35-2,85; (34) F: 3,5-3,25; (35) F: 3,7-3,5; (37) F: 4,2-3; M: 3,9-2,85; (38) F: 4,25-3,95; M: 3,9-3,42; (56) F: 3,61; M: 3,45; (72) F: 4,12-3,74; M: 3,72-3,55; (101) F: 3,47; 3,41; M: 3,52; (105) F: 3,8-3,6; (112) F: 4-3,3; M: 3,7-3; (116) F: 4,06; (142) F: 3,18; (199) F: 4,41-3,34; M: 3,52-3,04; (201) F: 4,3-3,5; M: 3,7-2,8; (202) F: 3,2-4,5; M: 2,9-3,9; (254) M: 3; (313) M: 3,5; (432) F: 4,17; (991) F: 3-4,2; M: 2,85-3,9; (1109) F: 3,5-3,8; (1122) F: 3,62; M: 3,45; {F: 3,00-4,65; M: 2,80-3,93}
Rem.: épi-mésopélagique.
Sampling depth (sub-Antarct.): 0-750 m.
Voir aussi les remarques en anglais
Dernière mise à jour : 25/10/2022

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