Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Diaptomoidea ( Superfamille )
        Pseudodiaptomidae ( Famille )
            Pseudodiaptomus ( Genre )
Pseudodiaptomus marinus  Sato, 1913   (F,M)
Syn.: no Pseudodiaptomus marinus : Grigg,1972; Greenwood, 1977 (p.65, figs.M, Rem.)
Ref.:
Brodsky, 1950 (1967) (p.323, figs.F,M); Chiba, 1956 (p.51, figs.F,M); Shen & Lee, 1963 (p.593); Chen & Zhang, 1965 (p.80, figs.F,M); Tanaka,1966 (p.43, figs.F,M); Grindley & Grice, 1969 (p.125, figs.F, M, Rem); Pillai, 1976 (1980) (p.262, figs.F,M); Kos, 1976 (Vol. II, figs.F, M, Rem.); Dussart & Defaye, 1983 (p.31); Nishida, 1985 (p.131: figs.F,M, Rem.: p.132-133); Kos, 1984 (1985) (p.236, figs.F,M, Rem.); Walter, 1986 (p.133, 146-147, Rem. ); 1986 a (p.503); 1987 (p.367); Fleminger & Kramer, 1988 (p.535, figs. F,M, Rem., zoogeo.); Walter, 1989 (p.621: Rem., fig.18); Zheng Zhong & al., 1984 (1989) (p.246, figs.F,M); Chihara & Murano, 1997 (p.894, Pl.165: F,M); Bradford-Grieve,1999 b (p.153, figs.F,M, Rem., fig.181); Eyun & al., 2007 (p.265, molecular biology); Ferrari & Dahms, 2007 (p.22, 35, Rem. N); Brylinski & al. 2012 (p.577, figs.F,M, Rem.: alien species)
Espèce Pseudodiaptomus marinus - Planche 1 de figures morphologiquesissued from : J.R. Grindley & G.D. Grice in Crustaceana, 1969, 16 (2). [p.126, Fig.1-11].
Female (from Port Louis harbor, Mauritius): 1, habitus (dorsal); 2, idem (lateral right side); 3, genital segment (lateral right side); 4, idem (lateral left side); 5, A1; 6, A2; 7, Md (mandibular palp); 8, Md (cutting edge); 9, Mx1; 10, Mx2; 11, Mxp.

Nota: Head and 1st thoracic segment separate, 4th and 5th fused.
- Posterior border of prosome produced into sharp outwardly directed spines.
- Genital segment slightly asymmetrical with slight swellings laterally and a prominent ventral boss, a small patch of fine setae present on each side and a fringe of stiff setae runs across the ventral surface; Genital flaps prominent with 1 seta on each side near their distal ends.
- The first three urosome segments furnished with rows of coarse teeth on their posterodorsal margins.
- Caudal rami symmetrical, divergent and 4 times as long as wide.
- A1 21-segmented, extending to posterior margin of genital segment.
- A2 with basipod bearing 2 lateral and 2 terminal setae and 1 seta on a small medial protuberance; exopod 4-segmented bearing 7 terminal and 6 sub-terminal setae and a lateral fringe of fine hairs; endopod apparently 4-segmented, 3rd segment small and indistinct, bearing 1 seta on segment 1, 3 lateral and 2 distal on segment 2, 2 on segment 3 and 1 lateral and 3 terminal on segment 4.
- Basipod of mandibular palp with 4 inner marginal setae; exopod apparently 1-segmented bearing 4 lateral and 7 terminal setae; there are some fine hairs on the medial surface of the exopod and the middle terminal seta is markedly crooked.
- Mx1 with 1st inner lobe (gnathobase) bearing 10 strong spines, small 2nd inner lobe with 2 setae, 3rd inner lobe with 4 terminal setae; outer lobe (coxal epipodite) with 8 long setae; exopod with 9 marginal setae; 1 small marginal seta arises between outer lobe and exopod; 2nd basal segment with 5 setae; endopod 2-segmented with 2 setae medially on the 1st segment and 6 terminal setae on the 2nd.
- Mx2 with 5 large medial lobes (endites) and 2 smaller terminal lobes; the terminal lobes bear 5 setae and 1 seta, the marginal lobes 4, 3, 3, 3 and 4 setae, and there is 1 separate proximal seta.
- Mxp 6-segmented, 2 basal segments large, 4 distal segments small; 1st segment bearing on its madial border, 2 plumose setae, 3 plumose setae, and 4 fine setae and 1 spine; 3rd segment bearing 2 setae proximally and 2 peculiarly divided setae distally (each bear a short spatulate branch near their middle fringed with fine bristles.


Espèce Pseudodiaptomus marinus - Planche 2 de figures morphologiquesissued from : J.R. Grindley & G.D. Grice in Crustaceana, 1969, 16 (2). [p.128, Fig.12-17].
Female: 12, P1; 13, basipodal segments of P1 (anterior); 14, P2; 15, P3; 16, P4; 17, P5.
Nota: Swimming legs 1 to 4 biramous, similar in both sexes.
- P5 uniramous, 4-segmented, symmetrical; the 2nd basal segment bears 2 small spinules on the outer angle and 1 seta on the posterior surface.


Espèce Pseudodiaptomus marinus - Planche 3 de figures morphologiquesissued from : J.R. Grindley & G.D. Grice in Crustaceana, 1969, 16 (2). [p.126, Fig.18-26].
Male: 18, habitus (lateral right side); 19, posterior part cephalothorax and urosome (dorsal); 20, idem (lateral right side); 21, anal segment and caudal rami ( dorsal); 22, right A1; 23, P5 (posterior); 24, left P5 (anterior); 25, endopod of right P5 (medial view); 26, right P5 (anterior).

Nota: Rostral filaments shorter than in female.
- Urosome 5-segmented, half as long as prosome; posterior dorsal margins of urosome segments 1 to 4 fringed with rows of coarse teeth.
- Caudal rami 3 times as long as wide.
- Appendages similar to those of female except for right A1 and P5.
- Right A1 geniculate, 21-segmented; 3 free segments distal to articulation; there is a hooked spine on segment 10 and a serrated margin to segment 18.
- P5 biramous, basipods 2-segmented. Exopods 2-segmented, endopods 1-segmented. In the right leg 1st basal segment naked, 2nd basal segment larger, bears 3 small spinules on its outer margin, a posterior seta and a characteristic forked endopod.


Espèce Pseudodiaptomus marinus - Planche 4 de figures morphologiquesIssued from : K.A. Brodskii in Calanoida of the Far Eastern Seas and Polar Basin of the USSR. Opred. Fauna SSSR, 1950, 35 (Israel Program for Scientific Translations, Jerusalem, 1967) [p.323, Fig.225].
Female (from Sea of Japan): habitus (dorsal and lateral left side); S4, P4; S5, P5.

Male: habitus (dorsal); S5, P5.


Espèce Pseudodiaptomus marinus - Planche 5 de figures morphologiquesissued from : S. Nishida in Publ. Seto Mar. Biol. Lab., 1985, 30 (1/3). [p.131, Fig.4, f-j].
Female (from Hokkaido.): f, P5.

Male: g, 5th thoracic segment (dorsal); h, left exopod of P5; i, right endopod of P5; j, P5 (Y-shaped spine on 1st segment of right exopod).


Espèce Pseudodiaptomus marinus - Planche 6 de figures morphologiquesissued from : H.Y. Soh, H.-L Suh, O.H. Yu & S. Ohtsuka in Hydrobiologia, 2001, 448. [p.213, Fig.8, B].
Female (from W and S Korea): scanning electron micrographs of the genital area.


Espèce Pseudodiaptomus marinus - Planche 7 de figures morphologiquesissued from : T.C. Walter in J. Plankton Res., 1986, 8 (1). [p.145, Fig.7, L-O].
Male (from Japan): L, P5 (anterior view); M-O, P5 variant forms of right endopod collected from different localities.


Espèce Pseudodiaptomus marinus - Planche 8 de figures morphologiquesissued from : P.P. Pillai in J. mar. biol. Ass. India, 1976 (1980), 18 (2). [p.263]. Comparison of some diagnostic characters of the Andaman Sea specimens with those of the previously published descriptions to draw attention to the variations observed in the species. After Grindley and Grice (1969) the variatiobns may be attributed to ecophenotypes or only geographical variations.


Espèce Pseudodiaptomus marinus - Planche 9 de figures morphologiquesissued from : P.P. Pillai in J. mar. biol. Ass. India, 1976 (1980), 18 (2). [p.254, Fig.2, r-v].
Female (from Andaman Sea): r, urosome (dorsal); s, genital segment (ventral); t, urosome (lateral, right side); u, P5.

Male: P5.


Espèce Pseudodiaptomus marinus - Planche 10 de figures morphologiquesissued from : O. Tanaka in Proceedings Symposium on Crustacea. Symp. Ser. mar. biol. Ass. India, 1966, (2) 1. [p.44, Fig.4].
Female (from coastal waters of Kyushu, Japan): a, habitus (dorsal; b, head (lateral); c, last thoracic segment and urosome (lateral); d, last thoracic segment and genital segment (lateral, right side); e, anal somite and caudal rami; f, A2; g, P1; h, P2; i, endopod of P3; j, P4; k, P5.
Nota: proportional lengths prosome: urosome 62:38. Head and 1st thoracic segment separated, 4th and 5th fused. Rostrum with 2 fine filaments. A1 22-segmented. A2 exopod 4-segmented, 1.4 times as long as the endopod.Lateral distal corner of the last thoracic segment symmetrical with a strong spine directed outwards at the apex. urosomal segments and caudal rami in proportional lengths 26:18:20:14:22 = 100. Genital segment slightly asymmetrical, the left proximal margin is more inflated, the right lateral margin with rows of short hairs, the ventral surface is furnished with an acute triangular process just below the genital opening; the distal margin of the genital segment and 2nd and 3rd segments striated with small denticles. Caudal ramus more than 3 times as long as wide (11:3). P5 4-segmented, distal segment with 2 apical spines, of which the outer one carries a small subsidiary spine, the inner distal spine is coarsely serrated on the inner margin.

Male: l, last thoracic segment and urosome (dorsal); m, right A1; n, P5.
Nota: A1 21-segmented, 18th segment with a delicate ctenate process on the anterior margin. Proportional lengths prosome:urosome 66:34. Last thoracic segment symmetrical with a wing-like expansion on each side. Urosomal segments and caudal rami in the proportional lengths 13:18:18:20:11:20 = 100. Caudal rami about 3 times as long as wide (14:5). Left P5 exopod 2-segmented, endopod 1-segmented rudimentary; right P5 exopod 3-segmented, endopod absent.


Espèce Pseudodiaptomus marinus - Planche 11 de figures morphologiquesIssued from : J.-M. Brylinski, E. Antajan, T. Raud & D. Vincent in Aquatic Invasions, 2012, 7 (4). [p.580, Fig.3].
Female (from Calais harbour, France): A, habitus (dorsal); B, 4th abdominal segment and furca (dorsal); C-D, genital double-somite (ventral and left side, respectively); E, Right P5 (posterior).

Male: E, P5 (posterior).
Nota: Right A1 geniculated; 18th segment with serrated margin on its anterior face.


Espèce Pseudodiaptomus marinus - Planche 12 de figures morphologiquesIssued from : M.S. Kos in Issled. Fauny Morei, 1984 (1985), 30 (38). [p.237, Fig.6].
Female (from South Sakhalin Islands): 1, habitus (dorsal); 2, same (lateral) with eggs; 3, A2; 4, Mxp; 5, P1; 6, P4; 7, P2; 8, P3; 9, P5.


Espèce Pseudodiaptomus marinus - Planche 13 de figures morphologiquesIssued from : M.S. Kos in Issled. Fauny Morei, 1984 (1985), 30 (38). [p.238, Fig.7].
Male (from South Sakhalin Islands): 1, habitus (dorsal); 2, A1; 3, P5.

Ref. compl.:
Yamazi, 1958 (p.149, Rem.); Peterson, 1975 (p.29, abundance); Uye & al., 1982 (p.25, annual cycle, egg production); Uye & al., 1983 (p.91, growth, production); Uye & Kasahara, 1983 (p.147, grazing); Nagasawa & Marumo, 1984 (p.277); Madhupratap & Haridas, 1986 (p.105, tab.2); Hirakawa & al., 1990 (tab.3); Uye & Takamatsu, 1990 (p.97, red-tide flagellate effects); Dai & al., 1991 (tab.1); Yoo, 1991 (tab.1) ; Orsi & Walter, 1991 (p.560, alien species); Huntley & Lopez, 1992 (p.201, Table A1, egg-adult weight, temperature-dependent production); Kim & al., 1993 (p.270); Kimmerer, 1993 (tab.2); Myung & al., 1994 (tab.1); Uye & Kaname, 1994 (p.43, length v.s. fecal pellet volume); Shih & Young, 1995 (p.73); Ohtsuka & al., 1995 (p.159); Kotani & al., 1996 (tab.2); Ajeel & Khalaf, 1997 (p.357); Liang & Uye, 1997 (p.409, egg production); 1997 a (p.415, population dynamics, production); Cordell & al., 1997 (p.2, 7, invasive species, % change 1980-1997); Mauchline, 1998 (tab.18, 25, 35, 45, 47, 48, 51, 78, p.506: Rem.); Logerwell & Ohman, 1999 (p.428, tab.1); Ueda & al., 2000 (tab.1); Shimode & Shirayama, 2004 (p.607, tab.1, 2); Chang & Fang, 2004 (p.456, tab.1); Yin & al., (p.3); Choi & al., 2005 (p.710: Tab.III); Humphrey, 2008 (p.64, 84: Appendix A); Ohtsuka & al., 2008 (p.115, Table 4, 5, Rem.: in Japan Harbors); Jiang Z.-B. & al., 2009 (p.196, Table 1, 2); Fazeli & al., 2010 (p.153, Table 1); W.-B. Chang & al., 2010 (p.735, Table 2, abundance); Hirst & al., 2010 (p.2193, sex ratio); Bollens & al., 2011 (p.1358, Table III, fig.7); De Olazabal & Tirelli, 2011 (p.1, Rem.); Itoh & al., 2011 (p.129, vertical distribution); Beltrao & al., 2011 (p.47, Table 1, density vs time); Rajakaruna & Strasser, 2012 (p.643, modellisation temperature-dependent); Delpy & al., 2012 (p.1921, Table 2); DiBacco & al., 2012 (p.483, Table S1, ballast water transport); Lee D.B. & al., 2012 (p.88, co-occurrence); Gusmao & al., 2013 (p.279, Table 4, sex ratio); Jha & al., 2013 (p.1 distribution); Tachibana & al., 2013 (p.545, Table 1, seasonal change 2006-2008); Suzuki, K.W. & al., 2013 (p.15, Table 2, 3, 4, estuaries, annual occurrence); Seo & al., 2013 (p.448, Table 1, occurrence); Oh H-J. & al., 2013 (p.192, Table 1, occurrence); Ma & al., 2013 (p.701, figs.1, 2, 3, UV radiation vs respiration, excretion, survival); Pansera & al., 2014 (p.221, Table 2, abundance); Sabia & al., 2014 (p.1, swimming behaviour, Rem.); Sabia & al., 2015 (p.460, European distribution); Uriarte & al., 2016 (p.718, fig.5: abundance vs years 1998-2011); Ohtsuka & Nishida, 2017 (p.565, 578, 585, Table 22.1, Rem.); Belmonte, 2018 (p.273, Table I: Italian zones); Richirt & al., 2019 (p.3, Table 1, fig.2, 3, 4, 5, abundance changes vs years 1998-2014, table 2: diversity index)
NZ: 11

Carte de distribution de Pseudodiaptomus marinus par zones géographiques
Espèce Pseudodiaptomus marinus - Carte de distribution 3
Carte de 1996
Espèce Pseudodiaptomus marinus - Carte de distribution 4Issued from : J.-M. Brylinski, E. Antajan, T. Raud & D. Vincent in Aquatic Invasions, 2012, 7 (4). [p.578, Fig.1].
Worldwide distribution of the genus Pseudodiaptomus (grey lines) and of the species P. marinus (Adapted from Walter, 1986).
Black stars = P. marinus sensu stricto and white stars = Pseudodiaptomus cf P. marinus.
1: Brodsky, 1950; 2: Fleminger & Kramer, 1988; 3: Grindley & Grice, 1969; 4: Jiang & al., 2008; 5: Jimenez-Pérez & Castro-Longoria, 2006; 6: Jones, 1966: 7: Lawrence & Cordell, 2010; 8: De Olazabal & Tirelli, 2011; 9: Orsi & Walter, 1991: 10: Pillai, 1976; 11: Sato, 1913; 12: Shen & Lee, 1963; 13: Soh & al., 2001; 14: Tanaka, 1966; 15: Sautour & Dessier (pers. comm.); 16, Brylinski & al., 2012. (See Table 1 for details for dates, temperature, salinity and abundance).
Nota: Also in Berre Lagoon (G of Lion) by Felpy & al., 2012.
Espèce Pseudodiaptomus marinus - Carte de distribution 5Issued from : K.W. Suzuki, K. Nakayama & M. Tanaka in J. Oceanogr., 2011, 69. [p.25, Fig.7].
Bubble plots of densities of the non semi-endemic calanoid Pseudodiaptomus marinus in relation to temperature, salinity, and turbidity observed in the Chikugo and Midori River estuaries (south Japan) in 2005 and 2006.
Espèce Pseudodiaptomus marinus - Carte de distribution 6Issued from : L. Sabia, G. Zagami, M.G. Mazzocchi, E. Zambianchi & M. Uttieri in Medit. Mar. Sci., 2015, 16 (2). [p.464, Fig.1].
European distribution of the invasive copepod Pseudodiaptomus marinus.
Espèce Pseudodiaptomus marinus - Carte de distribution 7Issued from : H. Bi, K.A. Rose & M.C. Benfield in Mar. Ecol. Prog. Ser., 2011, 427. [p.157, Table 5].
Instantaneous mortality rates (individuals per day) from litterature.
Espèce Pseudodiaptomus marinus - Carte de distribution 8Issued from : I. Uriarte, F. Villate & A. Iriarte in J. Plankton Res., 2016, 38 (3). [p.724, Fig.5].
Monthly time-series from 1998 to 2011 of Pseudodiaptomus marinus (grey) and Oithona davisae (black) from inner Bilbao estuary (NW Spain). Thicker lines are moving averages. Ro is the Spearman's rank correlation coefficient (***P <0.001).

Nota: In the period 2010-1011 appears for the firdt time in 2010 the non-indigenous Pseudodiaptomus marinus.
Loc:
Mauritius Is., Gulf of Oman (Chabahar Bay), Arabian Gulf, Bay of Bengal, Andaman, Australia (Moreton Bay), Taiwan (south), Hainan (Sanya Bay), China Seas (Bohai Sea, Yellow Sea, East China Sea, South China Sea, Xiamen Harbour, Taiwan (Kaohsiung Harbor), S & W Korea, Asan Bay, Geumo Is., Japan (Ariake Bay, Tokyo Bay, Fukuyama Harbor, Seto Inland Sea, Tanabe Bay, south estuaries: Chikugo, Midori & Kuma Rivers), Amur and Poseta Bays, E Siberia, Sakhaline Is., S Kuril Is., Vancouver, Friday Harbor, California (San Francisco Estuary, Sacramento Estuary), Tomales Bay, Hawaii, Kaneohe Bay, Medit. (Berre Lagoon, Po Valley, Lake Fusaro, Lake Faro (Sicily), Rimini, G. of Naples, Messina Strait, N Adriatic Sea: Trieste), Bay of Biscay (Bilbao estuary, Gironde estuary), Pas de Calais (Calais Harbour, off Gravelines), S North Sea
N: 67
Lg.:
(22) F: 1,25; M: 0,97; (97) F: 1,32; M: 1,02; (290) F: 1,25-1,45; M: 0,95-1,2; (351) F: 1,21; M: 0,92; (643) F: 1,35-1,37; M: 1,05-1,07; (866) F: 1,25-1,6; M: 0,85-1,05; (1005) F: 1,21-1,26; M: 0,96-1,07; (1016) F: 1,08-1,31; M: 0,94-1,01; (1097) F: 1,3-1,8; M: 1,3-1,5; (1139) F: 1,3-1,8; M: 1,3-1,5; {F: 1,08-1,80; M: 0,85-1,50}
Rem.: Littoral, ± saumâtre.
Un transport par les ballasts des navires n'est pas exclu à partir des eaux japonaises vers Hawaii (Jones, 1966, p.317).
Voir aussi les remarques en anglais
Dernière mise à jour : 11/04/2020

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Razouls C., de Bovée F., Kouwenberg J. et Desreumaux N., 2005-2020. - Diversité et répartition géographique chez les Copépodes planctoniques marins. Sorbonne Université, CNRS. Disponible sur http://copepodes.obs-banyuls.fr [Accédé le 28 septembre 2020]

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