Species Card of Copepod
Calanoida ( Order )
    Diaptomoidea ( Superfamily )
        Acartiidae ( Family )
            Acartia ( Genus )
                Acanthacartia ( Sub-Genus )
Acartia (Acanthacartia) bifilosa  (Giesbrecht, 1881)   (F,M)
Syn.: Dias bifilosus Giesbrecht,1881;
Acartia bifilosus : T. Scott, 1892 (p.244, fig.F);
no Acartia bifilosa: Shen & Bai, 1956 (p.224, figs.F,M); Chen & Zhang, 1965 (p.112, figs.F,M); Kim, 1985 (p.137, figs.); Yoo, 1991 (tab.1); Yoo & al., 1991 (p.257, fig.); Myung & al., 1994 (tab.1); Shim & Choi, 1996 (p., figs., tab.); Yoon & al., 1998 (p.923, figs. eggs, Nauplius, juv., F, M, Rem.)
Ref.:
Giesbrecht, 1892 (p.507, 522, figs.F,M); Giesbrecht & Schmeil, 1898 (p.153); Steuer, 1923 (p.22, figs.F,M); Gurney, 1931 a (p.230, figs.F,M); Wilson, 1932 a (p.162, figs.F,M); Rose, 1933 a (p.275, figs.F,M); Redeke, 1934 (p.39, fig.F, Rem.); Jespersen, 1940 (p.70); Farran, 1948 a (n°12, p.3, figs.F); Brodsky, 1950 (1967) (p.425, figs.F,M); Crisafi & Crescenti, 1972 (1974) (p.231, figs.F,M, juv.); Brylinski, 1981 (p.257, figs.F, M); Schnack, 1982 (p.89, figs. Mx2, Md, Mxp); Brylinski, 1984 (p.961, figs.M: anomalies); Sazhina, 1985 (p.78, figs.N); Yoo & al., 1991 (p.257, fig.F); Behrends & al., 1997 (p.594, figs.F); Hirst & Castro-Longoria, 1998 (p.1119, figs.F,M, Rem.); Bradford-Grieve, 1999 (N° 181, p.5, figs.F,M); Barthélémy, 1999 (p.857, 864, figs.F); 1999 a (p.9, Fig.23, A, B); Bradford-Grieve & al., 1999 (p.885, 962, figs.F,M); Castro-Longoria & Williams, 1999 (p.215, figs.F,M); Soh & Suh, 2000 (p.322, 332, Rem.); G. Harding, 2004 (p.24, figs.F,M); Avancini & al., 2006 (p.113, Pl. 81, figs.F,M, Rem.); Vives & Shmeleva, 2007 (p.409, figs.F,M, Rem.); Laakmann & al., 2013 (p.862, figs.1, 2, 3, Table 1, 2, mol. Biol.)
Species Acartia (Acanthacartia) bifilosa - Plate 1 of morphological figuresissued from : J.M. Brylinski in J. Plankton Res., 1981, 3 (2). [Fig.2, p.257].
Structure of P5 of the Acartia in the wet docks of the harbour of Dunkirk (Strait of Dover). Male and Female

a: Acartia clausi; b: A. tonsa, c: A. discaudata, d: A. bifilosa

c.f.: curved finger, c.n.: curved needle, d.t.: distal tooth, l.: lamella, l.p.: lamellar process, p.t.: proximal tooth, s.: setae, sp.: spines, 3, segment 3 of left leg.
Rem: P5 = fifth leg


Species Acartia (Acanthacartia) bifilosa - Plate 2 of morphological figuresissued from : J.M. Brylinski in J. Plankton Res., 1984, 6 (6). [Fig.3,p.963].
female: various types of anomalies of P5 in the wet docks of the harbour of Dunkirk (Strait of Dover).
Rem: P5 = fifth leg


Species Acartia (Acanthacartia) bifilosa - Plate 3 of morphological figuresissued from : W. Giesbrecht in Fauna Flora Golf. Neapel, 1892, 19. [Taf.43, Fig.15].
Female: 15, habitus (dorsal).


Species Acartia (Acanthacartia) bifilosa - Plate 4 of morphological figuresissued from : W. Giesbrecht in Fauna Flora Golf. Neapel, 1892, 19. [Taf.43, Fig.23].
Male: 23, P5.


Species Acartia (Acanthacartia) bifilosa - Plate 5 of morphological figuresissued from : W. Giesbrecht in Fauna Flora Golf. Neapel, 1892, 19. [Taf.30, Fig.29].
Female: 29, P5.


Species Acartia (Acanthacartia) bifilosa - Plate 6 of morphological figuresissued from : P. Crisafi & M. Crescenti in Boll. Pesca Piscic. Idrobiol., 1972 (1974), 27 (2). [p.247, Pl.VII].
Female (from Milazzo Harbour, Sicily): f, habitus (dorsal); f ad, posterior thoracic part and urosome (dorsal); , f P5, P5.

Male: m, habitus (dorsal); m ad, posterior thoracic part and urosome (dorsal); m P5, P5.


Species Acartia (Acanthacartia) bifilosa - Plate 7 of morphological figuresissued from : R.-M. Bathélémy in J. Mar. Biol. Ass. U.K., 1999, 79. [p.861, Fig.4, A-B]. Scanning electron micrograph.
Female (from Elson Lagoon, Alaska): A, external ventral view of genital double-somite; B, internal genital area.
Scale bars: 0.030 mm (A); 0.020 mm (B).
Symbols: * = cuticular protuberance; arrowhead = lamellar flap; small arrow = genital slit; ap = apoderme; sd = seminal duct; sr = seminal repeptacle; ed = egg-laying duct.


Species Acartia (Acanthacartia) bifilosa - Plate 8 of morphological figuresissued from : A. Steuer in Arb. zool. Inst. Innsbruck, 1923, 1 (5). [Taf. II, Figs.11, 12].
Female: 11, genital segment (ventral); 12, idem with spermatophore (lateral).


Species Acartia (Acanthacartia) bifilosa - Plate 9 of morphological figuresissued from : M. Rose in Result. Camp. Scient. Prince Albert Ier, Monaco, 1929, 78. [Pl.III, Figs.8]. As Acartia bifilosa var. inermis.
Female (from Loire Estuary and Gorringe Bank, off Gibraltar): Ab D, urosome with spermatophore (dorsal); Ab L, last thoracic segment and urosome (lateral); A1; P1 to P5.

Male: D, habitus (dorsal); R, forehead (ventral); Ab L, urosome (lateral; with epibionts on the 4th segment); A1 (right).


Species Acartia (Acanthacartia) bifilosa - Plate 10 of morphological figuresissued from : M. Rose in Result. Camp. Scient. Price Albert Ier, Monaco, 1929, 78. [Pl.IV, Figs.8].
Female: Md.

Male: Ab D, urosome (dorsal; showing two aspects); A2; P1 to P5.


Species Acartia (Acanthacartia) bifilosa - Plate 11 of morphological figuresissued from : J.M. Brylinski in J. Plankton Res., 1984, 6 (6). [Tableau.1, p.964].
Results of the countings of the normal and abnormal animals in samples analyzed to Acartia bifilosa in diferent regions.


Species Acartia (Acanthacartia) bifilosa - Plate 12 of morphological figuresissued from : G. Harding in Key to the adullt pelagic calanoid copepods found over the continental shelf of the Canadian Atlantic coast. Bedford Inst. Oceanogr., Dartmouth, Nova Scotia, 2004. [p.24].
Female & Male.


Species Acartia (Acanthacartia) bifilosa - Plate 13 of morphological figuresIssued from : H.Y. Soh & H.-L. Suh in J. Plankton Res., 2000, 22 (2). [p.332, Table I].
Distinctive characters of Acartia bifilosa.
b: based on Giesbrecht (1992) and Brodsky (1950).
Nota: Compare the distinctive characters with the closely related species A. omorii, A. hudsonica, A. hongi, A. omorii in the coastal waters of Korea.

Compl. Ref.:
T. Scott, 1902 (p.454); Sewell, 1948 (p.367, 419, 483, 487); Conover, 1959 (p.259, Table 1, 2, respiration); M.W. Johnson, 1961 (p.311, Table 2); H. Schulz, 1961 (p.57); Marshall & Orr, 1962 (tab.3); Cannicci, 1962 (p.349, Table3); ? Shih & al., 1971 (p.29, 200); Paulmier, 1971 (p.168); Martens, 1972 (p.15, fecal pellets); Arndt & Heidecke, 1973 (p.599, 603); Eriksson, 1973 a (p.95, fig.10, area abundance distibution); Castel & Lasserre, 1977 (p.129, fig.2, 3, 7); Hernroth, 1978 (p.1, Rem.: p.5); Collins & Williams, 1981 (p.273, monthly distribution-salinity); Castel & Courties, 1982 (p.417, Table II, fig.4, spatial & monthly distribution); Tremblay & Anderson, 1984 (p.3); Chojnacki, 1983 a (p.435, length-weight relation); Chojnacki & Hussein, 1983 (p.53, Table 3, length-weight); d'Elbée, 1984 (p.24, Fig.3); Lam Hoi & al., 1985 (p.451, 460); Kuosa, 1989 (p.47, O2 v.s. activity and survival); Jouffre & al., 1991 (p.489, lagoon); Viitasalo, 1992 (tab.2); Castel, 1993 (p.145, long-term annual distribution); ? Hwang & Choi, 1993 (tab.3); Sellner & al., 1994 (p.249); Irigoien & Castel, 1995 (p.115, productivity); Irigoien & al., 1996 (p.163, gut clearance rate); Marcus, 1996 (p.143); Mauchline, 1998 (tab.18, 35, 40, 47, 61); Uriarte & al., 1998 (p.197, egg production, population development); Koski & Kuosa, 1999 (p.1779, egg production); Belmonte & Potenza, 2001 (p.173); Vieira & al., 2003 b (p.199); Lo & al., 2004 (p.89, tab.1); Katajisto, 2004 (p.751, dormancy and survival subitaneous eggs); Hsiao & al., 2004 (p.325, tab.1); Wang & Zuo, 2004 (p.1, Table 2, dominance, origin); Lan & al., 2004 (p.332, tab.1, tab.2); Uriarte & Villate, 2005 (p.863, tab.I); David & al., 2005 (p.171); Uriarte & Villate, 2006 (p.565, resting eggs); Hansen F.C. & al., 2006 (p.39, production); Schulz J. & al., 2007 (p.47, vertical zonation analysis); Chojnacki & al., 2007 (p.42, Table 2); David & al., 2007 a (p.429, figs.2, 4, 5, Table 3, 4, 5, 6); Youn & Choi, 2007 (p.222: Table1, egg production); Holmborn & Gorokhova, 2008 (p.483); Li J. & al., 2008 (p.95, effects of different diets); Holeton & al., 2009 (p.661, astaxanthin storage); Holmborn, 2009 (p.12); Telesh & al., 2009 (p.18: Table 2.1); Brylinski, 2009 (p.253: Tab.1, p.256: Rem.); Martynova & al., 2009 (p.133, C/N contents, length, starvation experiments); Sun & al., 2010 (p.1006, Table 2: Yellow Sea); Mazzocchi & Di Capua, 2010 (p.423); Dvoretsky & Dvoretsky, 2010 (p.991, Table 2); Hsiao S.H. & al., 2011 (p.475, Appendix I); Sun X.-H. & al., 2011 (p.741, figs. 5.3, 4, tab.I, II, production); Martynova & al., 2011 (p.1175, seasonal abundance); Dvoretsky & Dvoretsky, 2011 b (p.469, Table A, abundance, biomass); Postel, 2012 (p.327, Table 1, Fig.6); Schulz J. & al., 2012 (p.3, abundance vs. hydrography); Vehmaa & al., 2012 (p.1, Table 1, egg production, egg hatching vs pH); Huo & al., 2012 (p.1, Table 1: dominance); Li C. & al., 2013 (p.101, feeding)
NZ: 8 + 2 doubtful

Distribution map of Acartia (Acanthacartia) bifilosa by geographical zones
Species Acartia (Acanthacartia) bifilosa - Distribution map 3
Chart of 1996
Species Acartia (Acanthacartia) bifilosa - Distribution map 4issued from : P. Martens in M.S. Inst. Meeresk. Christian-Albrechts Univ., 1972. [p.19].
Numbers of fecal pellets (n) by width classes (interval from 0.005 mm).
Nota: individuals in culture on Chaetoceros decipiens, C. socialis, Detonula cystifera, Skeletonema costatum and flagellates.
Mean size of fecal pellets: length = 134 ± 5 micrometers; width = 45 ± 16 micrometers. Volume male = 109335 µ3; female = 316679 µ3.
Species Acartia (Acanthacartia) bifilosa - Distribution map 5issued from : J. Chojnacki & M.M. Hussein in Zesz. nauk. Akad. Roln. Szczec., 1983, 103. [p.55, Fig.1].
Total length - weight relationship in selected copepod species (copepodites I to V and adults) from the eastern sector of the Southern Baltic Sea.

Animals preserved in 4 % formalin and lengths in different copepodites and adults stages measured under stereomicroscope. Volume et weight calculated according to the simplified formula (Chojnacki & al., 1980). The results in fig. 1 present mean Lt (total length values for different developmental stades (nauplii not examined) by season and area.
Species Acartia (Acanthacartia) bifilosa - Distribution map 6issued from : J. Chojnacki & M.M. Hussein in Zesz. nauk. Akad. Roln. Szczec., 1983, 103. [p.54].
Total length - weight relationship calculated according to the simplified formula proposed by J. Chojnacki, P. Ciszewski & Z. Witek, 1980).
Species Acartia (Acanthacartia) bifilosa - Distribution map 7issued from : J. Chojnacki in Int. Revue ges. Hydrobiol., 1983, 68 (3). [p.436, Fig.1].
Length-weight relationship determined by geometrical method (Pattern from calanoid-form Pseudocalanus elongatus).
Lc = cephalothorax length; La = urosome length; Lan = antennula length; h : cephalothorax height; Ra = diameter of urosome cross-section; Ran = diameter of antennula cross-section.
A conversion factor of 1.025, reflecting the density (g per cm3) of the coastal Baltic water.
The correlation coefficient for the relationship studied was found to be about 0.96
Species Acartia (Acanthacartia) bifilosa - Distribution map 8issued from : N.R. Collins & R. Williams in Mar. Biol., 1981, 64. [p.278, Fig.7];
Acartia bifilosa var. inermis. Monthly distribution and abundance in Bristol Channel and Severn Estuary from November 1973 to February 1975, together with 33.5 p.1000 S isohaline.
Species Acartia (Acanthacartia) bifilosa - Distribution map 9Issued from : Jan Schulz & coll. in Progr. Oceanogr., 2012, 107; [p.8, Fig.4 [modified]);
Seasonal patterns in the abundance of Acartia bifilosa in the Bornholm Basin (central Baltic Sea) between March 2002 and May 2003. The scaling is normalised to one and vertical lines indicate sampling dates.
Sampling performed in stacked, 10m intervals from a few meters above the seafloor to the surface with a multinet (Hydro-bios, Kiel, 50 µm mesh size) on nine focus stations.
Compare with annual cycle in Acartia longiremis, Centropages hamatus, Temora longicornis, Oithona similis and other forms.
Species Acartia (Acanthacartia) bifilosa - Distribution map 10Issued from : Jan Schulz & coll. in Progr. Oceanogr., 2012, 107; [p.6, Fig.2].
Vertical profiles of temperature, salinity and oxygen in the central Bornholm Basin (Baltic Sea) at position 55.3016° N, 15.7966° E.
Species Acartia (Acanthacartia) bifilosa - Distribution map 11Issued from : D.M. Martynova, M. Graeve & U.V. Bathmann in Polar Biol., 2009, 32. [p.136, Table 1.
Biochemical parameters of Acartia bifilosa from the White Sea (66°20.2'N, 33°38.9'E).
Loc:
Arct. (S Beaufort Sea, Barents Sea), N Atlant., off Woods Hole, Bay of Fundy, Greenland, Iceland, Shetland Is., Firth of Forth, North Sea, Norway, Bristol Channel, Southampton, E English Channel, Pas de Calais, Dunkirk Harbour, Zuiderzee, Elbe (estuaire), Bay of Kiel, Gulf of Mecklenburger, Baltic Sea, Bornholm Basin, G. of Finland, Storfjärden, Öregrund Archipelago, Bay of Biscay, Belon estuary, Urdaibai estuary, St.-Jean-de-Luz, Arcachon Bay, Gironde Estuary, Portugal (Mondego Bay), Medit. (Strait of Messina, W Sardinia, Thau lagoon), Black Sea, ? Viet-Nam (Cauda Bay), China Seas (Bohai Sea, Yellow Sea, East China Sea, South China Sea, Jiaozhou Bay, Taiwan (E, N, NW), S Korea, N Japan, ? Okhotsk Sea, ? Alaska
N: 73 (Arct.: 7; Atlant. N.: 20; English Channel: 6; North Sea: 3; Baltic: 19; Medit.: 8, Black Sea: 1; ? Pacif.: 5
Lg.:
(22) F: 1,1; M: 1,1-1; (45) F: 1,25-1; M: 1,25-1; (164) F: 1,1-1,02; (167) F: 0,9-0,77; M: 0,86-0,77; (168) F: 1,241-1,146; M: 1,146-1,071; (284) F: 0,924-0,672; M: 0,854-0,672; (1123) F: 1,119-0,786; M: 1,165-0,667; {F: 0,672-1,25; M: 0,667-1,25}
Rem.: littoral, coastal, more or less brackish (cf. Sewell, 1948, p.324, 367).
Confusions have been possible with A. hongi described in 2000 for the North Pacific (Seas of China, Korea and Japan).
The presence of A. bifilosa remains to confirm in the Pacific, notably in the Chinese Seas (cf. in Shih & Young, 1995 p.66) in spite of its occurrence in the Bo Hai Sea and in Alaska, indicated by Wang et al. (2002, p. 348). Hsiao S.H. & al. (2011, p.487) and Li C. & al (2103, p.104) confirm the occurrence of this species from east Taiwan.
The 5th leg of female may show anomalies (cf. Behrends & al., 1997).
This species may have been introduced into the Mediterranean and the Black Sea by ballast from ships, or correspond to an ice-age relict.
Acartia bifilosa inermis Rose,1929 (F,M)
Ref.: Rose,1929 (p.48, figs.F,M); 1933 a (p.275, figs.F,M); Trinast,1976 (p.57); Hirst & Castro-Longoria, 1998 (p.1119, figs.F,M, Rem.); Bradford-Grieve, 1999 (N°181, p.5, figs.F,M)
Ref. compl.: Williams & Collins, 1981 (p.273, fig.7, 8, distrinution-salinity); 1985 (p.27); Vieira & al., 2003 (p.S163, Table 2, abundance); Vieira & al., 2003 b (p.199)
Loc.: Portugal (Mondego Estuary), France : Estuaire de la Loire (St-Nazaire), Gibraltar W, Bristol Channel-Severn Estuary, estuaire de la Forth
Lg.: (325) F: 1,1; M: 1,1
Last update : 14/11/2014
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