Species Card of Copepod
Calanoida ( Order )
    Calanoidea ( Superfamily )
        Paracalanidae ( Family )
            Paracalanus ( Genus )
Paracalanus indicus  Wolfenden, 1905   (F,M)
Syn.: Paracalanus parvus (part.) Claus,1863;
Paracalanus parvus indicus Wolfenden, 1905 (1906) (p.998, figs.F);
Paracalanus parvus : Giesbrecht, 1892 (part., p.164, figs.F,M); Giesbrecht & Schmeil, 1898 (part., p.24); Farran, 1929 (p.221: part.); ? Sewell, 1912 (p.358); Sewell, 1929 (p.68, figs.F,M); ? Dakin & Colefax, 1933 (p.204); 1940 (p.93, figs.F,M); Mori, 1929 (p.171, Figs.F,M); 1937 (1964) (p.29, figs.F,M); ? Sewell, 1947 (p.51); ? Tanaka, 1956 c (p.369, Rem.F,M); ? Corral Estrada, 1970 (Pl.13); Bradford, 1972 (p.34, figs.F,M, Rem.); ? Hsieh & al., 2004 (p.397, tab.1); ? Razai & al., 2004 (p.489, tab.2, p.495, tab.8); ? Lo & al.*, 2004 (p.218, fig.6); ? Lo & al., 2004 (p.468, tab.2);
Acrocalanus indicus : Zhang G.-T. & Wong, 2011 (p.277, fig.6, 7, abundance, indicator)
Ref.:
Bowman, 1971 b (p.24, figs.F,M, Rem.); Björnberg, 1973 (p.304); Andronov, 1977 (p.155, fig.F); , Rem.); Bradford, 1978 (p.135, figs.F, M, Rem.); Björnberg & al., 1981 (p.604, 624, figs.F); Campaner, 1985 (p.10); 1986 (p.261); Bradford, 1985 (p.316, 320); Foster & Battaerd, 1985 (p.213); Hiromi, 1987 (p.147, 153, 155, Rem.); Nishida, 1989 (p173, Table 1, 2, 3: dorsal hump); Bradford-Grieve, 1994 (p.67, figs.F,M, Rem., fig.99); Kang, 1996 (p.409, figs.F, Rem.); Bradford-Grieve & al., 1999 (p.878, 910, figs.F,M); Barthélémy, 1999 a (p.10, Fig.19, F, I); Boxshall & Halsey, 2004 (p.152, M); Vives & Shmeleva, 2007 (p.969, figs.F,M, Rem.); Khelifi-Touhami & al., 2007 (327, 329, figs.F,M, tab.1, 3); Kesarkar & Anil, 2010 (Rem.: p.404, fig.5E); Al-Yamani & al., 2011 (p.22, figs.F,M); Cornils & Blanco-Bercial, 2013 (p.861, Table 1, molecular analysis, figs.3, 4, 5)
Species Paracalanus indicus - Plate 1 of morphological figuresissued from : J.M. Bradford-Grieve in The Marine Fauna of New Zealand: Pelagic Calanoid Copepoda. National Institute of Water and Atmospheric Research (NIWA). New Zealand Oceanographic Institute Memoir, 102, 1994. [p.47, Fig.19].
Female: A, habitus (dorsal); B, idem (left lateral side); C, A1; D, A2; E, Md (mandibular palp); F, Md (mandibular blade); G, Mx1; H, Mx2; I, Mxp.

Nota: The female genital segment of New Zealand specimens, unlike Bowman's description, appear to be without postero-lateral spinules and there is a tendency to have fewer spinules on the surfaces of P2-P4.


Species Paracalanus indicus - Plate 2 of morphological figuresissued from : J.M. Bradford-Grieve in The Marine Fauna of New Zealand: Pelagic Calanoid Copepoda. National Institute of Water and Atmospheric Research (NIWA). New Zealand Oceanographic Institute Memoir, 102, 1994. [p.48, Fig.19 (above)].
Female: J, P1; K, P2; L, P3; M, P4; N, P5.


Species Paracalanus indicus - Plate 3 of morphological figuresissued from : J.M. Bradford-Grieve in The Marine Fauna of New Zealand: Pelagic Calanoid Copepoda. National Institute of Water and Atmospheric Research (NIWA). New Zealand Oceanographic Institute Memoir, 102, 1994. [p.49, Fig.21)
Male: A, habitus (dorsal); B, idem (left lateral side); C, A1; D, A2; E, Md (mandibular palp); F, Mx1; G, Mx2 and Mxp; H, P1; I, P2; J, P3; K, P4; L, P5.


Species Paracalanus indicus - Plate 4 of morphological figuresissued from : J.M. Bradford in Jl R. Soc.N.Z., 1978, 8 (2). [p.134, Fig.1].
Female (from Foveaux Strait: S New Zealand): A, habitus (lateral left side); B, idem (dorsal); C, urosome (lateral left side); D, idem (dorsal).

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


Species Paracalanus indicus - Plate 5 of morphological figuresissued from : J.M. Bradford in Jl R. Soc.N.Z., 1978, 8 (2). [p.135, Fig.2].
Female (from Foveaux Strait: S New Zealand): A, P1: B, P2 (psterior view and anterior view of endopod); C, P3 (posterior view and anterior view of endopod; D, P4 ( (posterior view and anterior view of endopod); E, P5.


Species Paracalanus indicus - Plate 6 of morphological figuresissued from : J.M. Bradford in Jl R. Soc.N.Z., 1978, 8 (2). [p.137, Fig.4].
Variation of ornamentation on basipod 1 (from Western Cook Strait, New Zealand).
Females: A, D, G , leg 2; B, E, H, leg 3; C, F, I, leg 4.
Males: J, M, P, leg 2; K, N, Q, leg 3; L, O, R, leg 4.


Species Paracalanus indicus - Plate 7 of morphological figuresissued from : J.M. Bradford in Jl R. Soc.N.Z., 1978, 8 (2). [p.136, Fig.3].
Male (from Foveaux Strait, New Zealand): A, P1; B, P2 (posterior view); C, P3 (idem); D, P4 (idem); E, P5 (anterior view).


Species Paracalanus indicus - Plate 8 of morphological figuresissued from : R.B.S. Sewell in Mem. Indian Mus., 1929, X. [p.69, Fig.24]. As Paracalanus parvus.
Female (from N Indian): a, genital segment (ventral); b, Mx1; c, P1; d, P2; e, P3; f, P4 g, P5 abnormal.


Species Paracalanus indicus - Plate 9 of morphological figuresissued from : R.B.S. Sewell in Mem. Indian Mus., 1929, X. [p.70, Fig.25]. As Paracalanus parvus.
Male: a, habitus (lateral right side); b, P2 (exopod); c, P3 (exopod); d, P4 (exopod); e, P5.


Species Paracalanus indicus - Plate 10 of morphological figuresissued from : T. Mori in The pelagic Copepoda from the neighbouring waters of Japan, 1937 (1964). [Pl.11, Figs.11-15]. As Paracalanus parvus.
Female: 11, P5; 14, habitus (lateral (right side).

Male: 12, P5; 15, P4.


Species Paracalanus indicus - Plate 11 of morphological figuresissued from : Y.-S. Kang in J. Korean Fish. Soc., 1996, 29 (3). [p.411, Fig.2, C-D].
Female (from Korean waters): C, habitus (dorsal); D, lateral view of anterior portion of the head. (D' = hump).


Species Paracalanus indicus - Plate 12 of morphological figuresissued from : Y.-S. Kang in J. Korean Fish. Soc., 1996, 29 (3). [p.412, Fig.4].
Female: A-C, P2 to P4; D, P5. OPE: outer proximal edge; ODE: outer distal edge.
Scale bars 0.2 mm.


Species Paracalanus indicus - Plate 13 of morphological figuresissued from : Y.-S. Kang in J. Korean Fish. Soc., 1996, 29 (3). [p.412, Table 1].
Morphological comparison of Paracalanus parvus, P. indicus and P. quasimodo based on the scheme of Bradford (1978).


Species Paracalanus indicus - Plate 14 of morphological figuresissued from : T.E. Bowman in Smithson. Contr. Zool., 1971, 96. [p.27, Fig.22, b-m].
Female (from E Florida): b-c, habitus (dorsal and lateral, respectively); d-e, posterior prosome and genital segment (lateral and dorsal, respectively); f, anal segment and caudal rami (dorsal); g-i, P2 to P4; j, P5.
Female (from Gulf of Naples: k, habitus (lateral); l, posterior prosome and genital segment (lateral).
Female (from Martinique): m, urosome and spermatophore (lateral).

Nota: Prosome about 3.2 times as long as urosome. A1 reaching about to posterior margin of anal segment Dorsal hump only slightly or not at all developed, hence prosome not so high in relation to its lenth as in P. quasimodo. Genital segment, viewed dorsally, narrower than in P. quasimodo, lateral parts of posterior margin with row of minute spinules, without cluster of spinules above spermatheca. Spermatheca subelliptical, not narrowing distally.


Species Paracalanus indicus - Plate 15 of morphological figuresissued from : T.E. Bowman in Smithson. Contr. Zool., 1971, 96. [p.29, Fig.23, a].
Male (from E Florida): a, P5.

Nota: identical to P. quasimodo except for the lack of spinules on the genital segment.


Species Paracalanus indicus - Plate 16 of morphological figuresissued from T. Mori in Zool. Mag. Tokyo, 1929, 41 (486-487). [Pl. IV, Figs.17-20). As Paracalanus parvus.
Female (from Chosen Strait, Korea-Japan): 19, P4; 20, P5.

Male: 17, P5; 18, habitus (lateral).


Species Paracalanus indicus - Plate 17 of morphological figuresissued from : R.-M. Barthélémy in These Doct. Univ. Provence (Aix-Marseille I), 1999. [Fig.19, F, I]. Female (from 46°27.7'S, 168°04.2'E): F, external ventral view genital double-somite; I, internal dorsal view of the genital area.
go = genital operculum; ed = egg-laying ducts; sr = seminal receptacles.
Note in I the narrow proximal portion (arrowed) of seminal receptacles (conspicuously empties).


Species Paracalanus indicus - Plate 18 of morphological figuresissued from : K.S. Kesarkar & A.C. Anil in J. mar. Biol. Ass. UK, 2010, 90 (2); [p.404, Table 2].
Characteristics of females.


Species Paracalanus indicus - Plate 19 of morphological figuresissued from : K.S. Kesarkar & A.C. Anil in J. mar. Biol. Ass. UK, 2010, 90 (2); [p.407, Fig.5, E].
Female: E, P5.


Species Paracalanus indicus - Plate 20 of morphological figuresIssued 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.9, Fig.17]. As Paracalanus parvus.
Female: 17, A1 (ventral view).


Species Paracalanus indicus - Plate 21 of morphological figuresIssued 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.9, Fig.9]. As Paracalanus parvus.
Female: 9, A2 (posterior view).


Species Paracalanus indicus - Plate 22 of morphological figuresIssued 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.9, Fig.34]. As Paracalanus parvus.
Female: 34, Mx2 (anterior view).


Species Paracalanus indicus - Plate 23 of morphological figuresIssued 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.9, Fig.33]. As Paracalanus parvus.
Female: 33, Mxp (posterior view).


Species Paracalanus indicus - Plate 24 of morphological figuresIssued 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.9, Fig.31]. As Paracalanus parvus.
Female: 31, P1 (anterior view).


Species Paracalanus indicus - Plate 25 of morphological figuresIssued 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.9, Fig.11]. As Paracalanus parvus.
Female: 11, P2 (anterior view).


Species Paracalanus indicus - Plate 26 of morphological figuresIssued 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.9, Fig.25]. As Paracalanus parvus.
Female: 25, P4 (posterior view).


Species Paracalanus indicus - Plate 27 of morphological figuresIssued 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.9, Fig.27]. As Paracalanus parvus.
Female: 27, P5.
Nota: P5 is very similar from P. parvus as figured by Sars (1924-1925).


Species Paracalanus indicus - Plate 28 of morphological figuresIssued 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.9, Fig.32]. As Paracalanus parvus.
Male: 32, P5 (posterior view).


Species Paracalanus indicus - Plate 29 of morphological figuresIssued 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.9, Fig.5]. As Paracalanus parvus.
Male: 5, A1 (ventral view).


Species Paracalanus indicus - Plate 30 of morphological figuresIssued 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.9, Fig.23]. As Paracalanus parvus.
Male: 23, A2 (anterior view).


Species Paracalanus indicus - Plate 31 of morphological figuresIssued 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.6, Fig.28, 29, 30]. As Paracalanus parvusFemale: 28, thoracic somites 4+5 and urosome (lateral); 29, habitus (dorsal); 30, forehead (lateral).
Nota: synonymy questionable.


Species Paracalanus indicus - Plate 32 of morphological figuresissued from : Y. Al-Yamani, V. Skryabin, A. Gubanova, S. khvorov & I. Prusova in Marine Zooplankton Practical Guide for the Northwestern Arabian Gulf, 2, 2011. [p.23, Fig.133]
Female (from Kuwait): a, habitus (lateral).

Male: b, habitus (lateral).


Species Paracalanus indicus - Plate 33 of morphological figuresissued from : M. Khelifi-Touhami, R. Semroud, El H. Hamdi, M. Ounissi, A. Haridi, M. Néjib Daly & P. Aissa in Cah. Biol. Mar., 2007, 48. [p.335, Fig.4].
Female (from Tunisian waters): L1-L4, swimming leg 1 to leg 4.


Species Paracalanus indicus - Plate 34 of morphological figuresissued from : M. Khelifi-Touhami, R. Semroud, El H. Hamdi, M. Ounissi, A. Haridi, M. Néjib Daly & P. Aissa in Cah. Biol. Mar., 2007, 48. [p.336, Fig.5].
Female: a, P5; c, posterior prosome with P5 and genital segment (lateral).

Male: b, P5.


Species Paracalanus indicus - Plate 35 of morphological figuresissued from : M. Khelifi-Touhami, R. Semroud, El H. Hamdi, M. Ounissi, A. Haridi, M. Néjib Daly & P. Aissa in Cah. Biol. Mar., 2007, 48. [p.336, Tableau 3].
Morphological comparison of Paracalanus parvus, P. indicus, and P. quasimodo (Modified from Bradford, 1978).
B1: basipod 1; Ex3: exopod 3; Gns: genital segment; L2-4: legs 2-4.
Authors: 1, Bradford (1978); 2, Bowman (1971); 3, Kang (1996); 4, Sewell (1929); 5, present study.


Species Paracalanus indicus - Plate 36 of morphological figuresissued from : M. Khelifi-Touhami, R. Semroud, El H. Hamdi, M. Ounissi, A. Haridi, M. Néjib Daly & P. Aissa in Cah. Biol. Mar., 2007, 48. [p.334, Fig.3].
Paracalanus indicus female (from Gulf of Anaba, El Kala, N Tunisia): lateral view), a: dorsal hump.

Nota: A1 shorter than body and extending beyond anal segment.
Prosome 3 times longer than the urosome
A dorsal hump slightly developed.


Species Paracalanus indicus - Plate 37 of morphological figuresissued from : M. Khelifi-Touhami, R. Semroud, El H. Hamdi, M. Ounissi, A. Haridi, M. Néjib Daly & P. Aissa in Cah. Biol. Mar., 2007, 48. [p.333, Fig.2].
Paracalanus indicus male (from Gulf of Anaba, El Kala, N Tunisia): lateral view).


Species Paracalanus indicus - Plate 38 of morphological figuresIssued from : V.N. Andronov in Russian Acad. Sci. P.P. Shirshov Inst. Oceanol. Atlantic Branch, Kaliningrad, 2014. [p.89, Fig.23: 3]. Paracalanus indicus after Bradford-Grieve, 1994 .
Mxp male

Compl. Ref.:
Björnberg, 1973 (p.304, 388); Andronov & Maigret, 1980 (p.71, Table 2, 3); Almeida Prado-Por, 1983 (p.141, 142); 1985 (p.250); Kimmerer & McKinnon, 1985 (p.149); Greze al., 1985 (p.7); Madhupratap & Haridas, 1986 (p.105, tab.1); Jenkins, 1988 (p.233, Table 1, 2, 3, 4, fig.3, 4, 5, 6); James & Wilkinson, 1988 (p.249, Table 2, biomass, carbon ingestion); Kimmerer & McKinnon, 1990 (p.449); Almeida Prado-Por, 1990 (p.111); Yoo, 1991 (tab.1); McKinnon, 1991 (p.471); Eskinazi-Sant'Anna & Tundisi, 1996 (t.1,2); Suarez-Morales & Gasca, 1998 a (p.110); Lopes & al., 1999 (p.215, tab.1); Razouls & al., 2000 (p.343, Appendix); McKinnon & Duggan, 2001 (p.121); McKinnon al., 2003 (p.105, tab.2); Obuid Allah & al., 2005 (p.123, occurrence % vs metal contamination); Khelifi-Touhami & al., 2005 (p.149); Prusova & Smith, 2005 (p.75); Araujo, 2006 (p.173, Tab.3): Kang J.-H & al., 2007 (p.84, fig.3); Khelifi-Touhami & al., 2007 (p.329,figs.F,M, Rem.); Kang J.-H. & al., 2007 (p.82, fig.2, temporal variation vs. temperature & predation effect); McKinnon & al., 2008 (p.844: Tab.1, p.846: Tab.II, fig.7); Neumann-Leitao & al., 2008 (p.799: Tab.II, fig.6); Selifonova & al., 2008 (p.305, Tabl. 2); Shmeleva & al., 2008 (p.31, Table 1); Fernandes, 2008 (p.465, Tabl.2); Galbraith, 2009 (pers. comm., as indicans); Escribano & al., 2009 (p.1083, Table 1, 2, figs.6, 8, 10); Gusmao & McKinnon, 2009 (p.1101, sex ratios); C.E. Morales & al., 2010 (p.158, Table 1: ?); Lidvanov & al., 2010 (p.356, Table 3); Hernandez-Trujillo & al., 2010 (p.913, Table 2); Hidalgo & al., 2010 (p.2089, fig.2, 4, Table 2, cluster analysis); Zenetos & al., 2010 (p.397); Selifonova, 2011 (p.77, Table 1, alien species in Black Sea); Tutasi & al., 2011 (p.791, Table 2, abundance distribution vs La Niña event); Pillai H.U.K. & al., 2011 (p.239, Table 3, vertical distribution); Pérez-Aragon & al., 2011 (p.116, N excretion, as Paracalanus cf indicus); Glushko & Lidvanov, 2012 (p.138, Tableau 1, 3); Yañez & al., 2012 (p.295, natural mortality, growth rates); Hidalgo & al., 2012 (p.134, Table 2, 3, figs.5, 6, spatial distribution); Gubanova & al., 2013 (in press, p.4, Table 2); Lidvanov & al., 2013 (p.290, Table 2, % composition); Pino-Pinuer & al., 2014 (p.83, Table 1, 2, fig.3, 4, abundance variation vs time); Fierro Gonzalvez, 2014 (p.1, Tab. 3, 4, 5, occurrence, abundance) ; Escribano & al., 2014 (p.104, egg production, development vs temperature); Palomares-Garcia & al., 2018 (p.178, Table 1: occurrence); Yebra & al., 2019 (p.1, Table 4: length, width F, M)
NZ: 13 + 1 doubtful

Distribution map of Paracalanus indicus by geographical zones
Species Paracalanus indicus - Distribution map 4Issued from : P. Hidalgo, R. Escribano, M. Fuentes, E. Jorquera & O. Vergara in Progr. Oceanogr., 2012, 92-98. [p.140, Fig.5. Spatial distribution of a dominant copepod species (ind m3) found off central-southern Chile in summer 2009. Abundance are mean values in the upper 0-200 m layer.

Nota: The upwelling region of central-southern Chile is located at mid latitudes within the eastern boundary upwelling region of Chile and Peru.
Loc:
sub-Antarct. (SE Pacif.), Brazil (S, Cabo Frio, Recife), Caribbean Sea, off C. Hatteras S, Morocco-Mauritania, ? Canary Is., Medit. (Alboran Sea, Gulf of Annaba, El Kala shelf, G. of Napoli, Bizerte, W Black Sea, Sebastopol), Safâga, Red Sea, Arabian Sea, Arabian Gulf (Kuwait), Indian, Bay of Bengal, Andaman Sea (Batten Island), ? Straits of Malacca, Indonesia (SW Sulawesi: sensu lato.2), China Seas (South China Sea, Hong Kong, Yellow Sea), ? Taiwan (SW, W), Japan, Korea, Oregon, California, Baja California (Bahia Magdalena, La Paz), Australia (Port Philip Bay, Melbourne, Great Barrier, Shark Bay, Noth West Cape, Darwin Harbour), New Zealand, Cape Farewell - Taranaki Bight, Galapagos-Ecuador, Chile (N-S, off Valparaiso, off Santiago, Conception)

Data from Cornils & Blanco-Bercial (2013): sl.2: 05°11'S; 143°16'W; sl.3:05°07'S; 119°21'E.
N: 69 ?
Lg.:
(29) F: 0,76; M: 0,74; (86) F: 0,97-0,84; 1,14-1; (91) F: 1,2-0,7; M: 1,2-0,8; (131) F: 1,3-0,70; M: 1,4-0,74; (196) F: 1,09-0,84; M: 1,39-0,9; (435) F: 0,95-0,85; M: 1,02-0,85; (985) F: 0,66-0,99; M: 0,88-1,05; (1047) F: 0,85; (1085) F: 0,85-0,95; M: 0,85-1,02; (1225) F: 0,85-0,95; M: 0,85-1,02; {F: 0,66-1,30; M: 0,74-1,40}

The mean female size is 0.906 mm (n = 16; SD = 0.1780) and the mean male size is 0.999 mm (n = 15; SD = 0.2104). The size ratio (male : female) is 1.090 (n = 8; SD = 0.0799). The sex ratio (female : male) is 1 (except in a sampling).
Rem.: Sampling depth (sub-Antarct.) : 150 m.
Certain confusions are possible with Paracalanus parvus and Paracalanus quasimodo, hence the locality records to confirm in the Atlantic Ocean.
For Bradford (1978, p.137) there is some doubt that New Zealand specimens and those considered by Bowman (1971) are conspecific. Nevertheless this name is retained pendig closer examination of P. indicus on a world-wide scale.
R. Stephen, 2007 : Data sheets of NIO, Kochi, India (on line).
Last update : 13/11/2020
    to add or edit your remark
  
By Mariluz Fernandez de Puelles 2017-11-17 11:13:58    ( Citation of this remark )
Many P. indicus were identified in the position of lon: -115.7725; lat: 13.7653 and probably deeper of epipelagic area to 2000 m depth during April 2011 in the Malaspina expedition. But due to broken legs could be confusion with P. parvus as well

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