Acartia (Acanthacartia) chilkaensis - Species Card

Acartia (Acanthacartia) chilkaensis Sewell, 1919 (F,M)

Taxonomy

Order Calanoida

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Superfamily Diaptomoidea

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Family Acartiidae

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Genus Acartia

details list species for this Genus

Sub-Genus Acanthacartia

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Abbreviations or symbols

Synonymy

Acartia chilkaensis sittangi : Steuer, 1934

References

List of the studied authors

Sewell, 1919 (p.9, figs.F,M); 1924 (p.790, Rem.) 1932 (p.395); Kasturirangan, 1963 (p.64, figs.F,M); Wellershaus, 1969 (p.269: figs.F,M, p.272: Rem.F,M); Abraham, 1970 (p.52, Rem.); 1976 (p.80, Rem.); Silas, 1972 (p.650); Barthélémy, 1999 a (p.9, Fig.23, C, D); 1999 (p.861, Fig.4, C, D)

Figures

Plate 1 issued from : R.B.S. Sewell in Rec. Indian Mus., (1918) 1919, XYI. [Pl.IX, Figs.1-5].
Female (from Chilka Lake): 1, P1; 2, P2 to P4; 3, Mxp; 4, P5.
Nota: Head and 1st thoracic segment separate, 4th and 5th fused. Postreior thoracic margin rounded and armed with a series of small spines. 1st and 2nd abdominal segments armed on the dorsal part of the posterior margin with a row of minute spinules. Proportional lengths of urosomites and furca 39:19:17:25 = 100. A1 19-segmented (segments 2-6, 8-10, fused); segments 16, 17, and 19 all armed with a transverse row of minute spines on the distal part of the posterior margin. P5 resembles those of A. centrura.

Male: 5, P5.
Nota: Proportional length of cephalothorax and abdomen 75:25. Proportional lengths of urosomites and furca 10:31:20:6:14:19 = 100. The abdominal segments are all devoid of spines (except from Cochin's specimens with the abdominal segments 2, 3 and 4 all bearing a row of minute spines on the posterior margin dorsally).

Species Acartia (Acanthacartia) chilkaensis - Plate 2 of morphological figures

Plate 2 Issued from : S. Wellershaus in Veröff. Inst. Meeresforsch. Bremerh., 1969, 11 (2). [p.269, Fig.64-65]. After Sewell, 1919.
Female: 65, P5.

Male: 64, P5.

Species Acartia (Acanthacartia) chilkaensis - Plate 3 of morphological figures

Plate 3 Issued from : S. Wellershaus in Veröff. Inst. Meeresforsch. Bremerh., 1969, 11 (2). [p.269, Fig.68-69]. As Acartia (Acanthacartia) chilkaensis sittangi. After Steuer, 1934.
Female: 68, P5.

Male: 69, P5.

Plate 4 issued from : R.-M. Bathélémy in J. Mar. Biol. Ass. U.K., 1999, 79. [p.861, Fig.4, C-D]. Acartia chilkaensis sittangi.
Scanning electon miccrograph.
Female (from Sittang River, near Matlab, Burma): C, genital double-somite (ventral); D, detail of the left genital slit.
Scale bars: 0.030 mm (C); 0.005 mm (D).
Symbols: gs = genital slit; arrowhead = lamellar flap.

Species Acartia (Acanthacartia) chilkaensis - Plate 5 of morphological figures

Plate 5 Issued from : S. Wellershaus in Veröf. Inst. Meeresf. Bremerhaven, 1969, XI. [p. 272, Table 3].
List of characters in Acartia chilkaensis Sewell, 1919 (from Chilka Lake).
1): according to the figures in the original descriptions.

Species Acartia (Acanthacartia) chilkaensis - Plate 6 of morphological figures

Plate 6 Issued from : S. Wellershaus in Veröf. Inst. Meeresf. Bremerhaven, 1969, XI. [p. 272, Table 3].
List of characters in Acartia chilkaensis sittangi Steuer, 1934 (from Burma).
1): according to the figures in the original descriptions.

Complementary References

List of the studied authors

Sewell, 1948 (p.324, 430); Subbaraju & Krishnamurphy, 1972 (p.25, 26 ); Madhupratap & Haridas, 1986 (p.105, tab.2); Gouda & Panigrahy, 1995 (p.206); Rakhesh & al., 2008 (p.154, abundance vs stations); Rakhesh & al., 2013 (p.7, Table 1, abundance vs stations).

Distribution

NZ: 1

Distribution map of Acartia (Acanthacartia) chilkaensis by geographical zones

Distribution map of Acartia (Acanthacartia) chilkaensis for the Zone Indian Ocean

Localisations

Geographical glossary

E India (Rushikulya estuary, Godavari estuary, Porto Novo, Kakinada Bay, Chilka Lake, Salt Lakes), ? Cochin, Burma (Sittang).

Species type: India (Chilka Lake).

Quotations

N: 8

Dimensions (mm)

References of the authors concerning dimensions

(83) F: 0,75; M: 0,7; {F: 0,75; M: 0,70}

Remarks

brackish (mainly in fresh water), estuaries
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Acartia chilkaensis sittangi Steuer,1934 (F,M)
Ref.: Steuer, 1934 (p.336,figs.F,M); Wellershaus, 1969 (p.269: figs.F,M, p.272: Rem.F,M); Abraham, 1976 (p.80, Rem.); Barthélémy, 1999 (p.857, 864, figs.F)
Loc.: Burma (Sittang Riv.)
Lg.: (192) F: 1,15-1,06; M: 1,06-1; {F: 1,06-1,15; M: 1,0-1,06}

Last update : 16/12/2021

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