Species Card of Copepod
Calanoida ( Order )
    Arietelloidea ( Superfamily )
        Augaptilidae ( Family )
            Haloptilus ( Genus )
Haloptilus fons  Farran, 1908   (F)
Farran, 1908 b (p.69, Descr.F, figs.F); Sars, 1925 (p.245, figs.F); Rose, 1933 a (p.211, figs.F); Sewell, 1948 (p.504, 514); Matthews, 1972 (p.49); Tanaka & Omori, 1974 (p.264, figs.F); Björnberg & al., 1981 (p.653, fig.F); Park, 1988 (p.3, Descr.F, figs.F, Rem.); Bradford-Grieve & al., 1999 (p.882, 941, figs.F); Bradford-Grieve,1999 b (p.60, figs.F, figs.172, 190); Boxshall & Halsey, 2004 (p.69: fig.F); Vives & Shmeleva, 2007 (p.240, figs.F, Rem.)
Species Haloptilus fons - 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). NIWA Biodiversity Memoir, 111, 1999. [p.60, Fig.31].
Female: A, habitus (dorsal); B, forehead (lateral); C, Mx1; D, P5.

Species Haloptilus fons - Plate 2 of morphological figuresissued from : O. Tanaka & M. Omori in Publs Seto Mar. Biol. Lab., 1974, XXI (3/4). [p.265, Fig.33].
Female: a, forehead (dorsal, rostrum underneath); b, idem (lateral); c, last thoracic segment and urosome (dorsal); d, idem (lateral left side); e, A2; f, Md (mandibular palp); g, Md (mandibular teeth); h, rostrum (frontal view); i, Mx1; j, Mx2; k, Mxp; l, P1; m, P2; n, P3; o, P5.
Nota: The urosome segments and furca are in the proportional lengths as 42:9:11:14:24 = 100. Prosome and urosome are in the proportional lengths as 83:17 A1 extends beyond the end of the furca by 3 segments..

Species Haloptilus fons - Plate 3 of morphological figuresissued from : T. Park in Antarct. Res. Ser. Washington, 1988, 47. [p.5, Fig.1].
Female: a, habitus (lateral right side); b, idem (dorsal); c, urosome (dorsal); d, idem (lateral right side); e, forehead (lateral); f, rostrum (anterior); g, A2.

Nota: Rostral filaments well developed, originating from a conspicuous lobe when viewed laterally. Spermatheca relatively small, in the form of a short digital process when viewved laterally.

Species Haloptilus fons - Plate 4 of morphological figuresissued from : T. Park in Antarct. Res. Ser. Washington, 1988, 47. [p.6, Fig.2].
Female: a, Md; b, Mx1; c, Mx2; d, Mxp; e, P1(anterior); f, P2 (anterior); g, P3 (anterior); h, P4 (anterior); i, P5 (anterior).

Nota: Mx2 with 3 setae on all 6 protopodal lobes and 7 setae on endopod.Remarks: After Park (1988, p.2)H. fons is the most primitive species of the genus which has 5 teeth and a basal spine on the mandibular blade; a 3-segmented endopod on Mx1, 4 setae on the 2nd inner lobe; Mx2 with 3 setae on each of the six protopodal lobes.

Species Haloptilus fons - Plate 5 of morphological figuresIssued from : G.O. Sars in Résult. Camp. Scient. Prince Albert I, 69, pls.1-127 (1924). [Pl.LXXI, figs.1-14].
Female: 1, habitus (dorsal); 2, idem (lateral left side); 3, A1; 4, A2; 5, left Md; 6, Md (right masticatory edge); 7, Mx1; 8, idem (endopodal segments, enlarged); 9, Mx2; 10, Mxp; 11, P1; 12, P2; 13, P5; 14, urosome (dorsal).

Species Haloptilus fons - Plate 6 of morphological figuresissued from : G.P. Farran in Fish. Ire. Sci. Invest., 1906, II [1908]. [Pl. VII, Figs.11-15].
Female (from W Ireland): 11, habitus (dorsal); 12, P5; 13, Md (cutting edge); 14, Mx1; 15, urosome (dorsal).

Species Haloptilus fons - Plate 7 of morphological figuresissued from : J.M. Bradford-Grieve, E.L. Markhaseva & C.E.F. Rocha & B. Abiahy in South Atlantic Zooplankton, Edit. D. Boltovskoy. 1999. Vol.2. Copepoda. [p.1042, Fig. 7.270].
Female: Mx1.

Nota: Endopodite of Mx1 with 13 setae; exopodite with 11 setae; outer lobe1 with 9 setae.

Compl. Ref.:
Hardy & Gunther, 1935 (1936) (p.182, Rem.: rare); VC.B. Wilson, 1950 (p.236); Deevey & Brooks, 1977 (p.156, tab.2, Station "S"); Kovalev & Shmeleva, 1982 (p.85); Brenning, 1985 a (p.28, Table 2); 1986 (p.14, Rem.); Madhupratap & Haridas, 1986 (p.105, tab.1); Razouls & al., 2000 (p.343, Appendix); Holmes, 2001 (p.13); Sameoto & al., 2002 (p.12); Schnack-Schiel & al., 2008 (p.1045: Tab.2); Park & Ferrari, 2009 (p.143, Table 4, Appendix 1, biogeography); Schnack-Schiel & al., 2010 (p.2064, Table 2: E Atlantic subtropical/tropical); Lidvanov & al., 2013 (p.290, Table 2, % composition); Belmonte, 2018 (p.273, Table I: Italian zones)
NZ: 14

Distribution map of Haloptilus fons by geographical zones
Antarct. (W Weddell Sea, SW Atlant., Indian, SW & SE Pacif.), South Georgia, sub-Antarct. (Indian), Brazil - Argentina, NW Africa, Mauritania- Morocco (18°N), Atlantic (tropical), S Azores, off E Nova Scotia, off W Ireland, off Bermuda (Station "S"), Sargasso Sea, W Medit. (Tyrrhenian Sea), Philippines, Japan (Izu region), Pacif. (N temperate), SW Galapagos, off Peru, New Zealand (Cook Strait)
N: 22
(1) F: 4,8; (24) F: 6,6-5,7; (68) F: 5,14; (909) F: 6,15; (1108) F: 4,8; {F: 4,80-6,60}
Rem.: meso-bathypelagic. Known to occur below 1200 and above 600 m depth (Matthews, 1972). Sargasso Sea: 1500-2000 m (Deevey & Brooks, 1977, Station "S");
Sampling depth (Antarct., sub-Antarct.): 100-600 m.
Park (1988, p.4) points to the species distribued widely between 34°S and 74°S (ice shelf) n the Pacific Ocean sector and between 50° and 64°S in the Indian Ocean sector.
Last update : 05/02/2020
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 Any use of this site for a publication will be mentioned with the following reference :

Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2024. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed July 24, 2024]

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