Species Card of Copepod
Calanoida ( Order )
    Diaptomoidea ( Superfamily )
        Pontellidae ( Family )
            Pontellopsis ( Genus )
Pontellopsis yamadae  Mori, 1937   (F,M)
Syn.: Pontellopsis herdmani : Sewell, 1912 (part., p.375, pL. 24, fig.5)
Ref.:
Mori, 1937 (1964) (p.98, figs.F,M); Brodsky, 1962 c (p.147, figs.F); Tanaka, 1964 c (p.269, Rem.F,M); Chen & Zhang, 1965 (p.107, figs.F,M); Koga, 1968 (p.16, fig.: egg); Silas & Pillai, 1973 (1976) (p.778); Ohtsuka & Onbé, 1991 (p.214, figs.F); Chihara & Murano, 1997 (p.873, Pl.157,159: F,M); Mulyadi, 2002 (p.149, figs.M, Rem.); Suarez-Morales & Kozak, 2012 (p.1, key F,M: p.14, fig.F,M); Ohtsuka & al., 2015 (p.123, Table 2).
Species Pontellopsis yamadae - Plate 1 of morphological figuresissued from: Q.-c Chen & S.-z. Zhang in Studia Marina Sinica, 1965, 7. [Pl.47, 1-4].
Female (from E China Sea): 1, P5 (posterior).

Male: 2, habitus (dorsal); 3, right A1; 4, P5 (posterior).


Species Pontellopsis yamadae - Plate 2 of morphological figuresissued from: Q.-c Chen & S.-z. Zhang in Studia Marina Sinica, 1965, 7. [Pl.46, 15-16].
Female: 15, habitus (dorsal); 16, idem (lateral right side).


Species Pontellopsis yamadae - Plate 3 of morphological figuresissued from : S. Ohtsuka & T. Onbé in Mar. Biol., 1991, 111. [p.214, Fig.2, C].
Female (from Bungo Channel: Inland Sea of Japan): C, right A1 (S = seta with setules).
Scale bar = 0.2 mm.


Species Pontellopsis yamadae - Plate 4 of morphological figuresissued from : S. Ohtsuka & T. Onbé in Mar. Biol., 1991, 111. [p.217, Fig.4, B].
Female (from Bungo Channel: Inland Sea of Japan): B, Md (cutting edge).
Scale bar = 0.010 mm.


Species Pontellopsis yamadae - Plate 5 of morphological figuresissued from : S. Ohtsuka & R. Huys in Hydrobiologia, 2001, 453/454. [p.455, Fig.9].
Male (from Japan): A, ventral view of pediger 5 and urosome (P5 indicated by large arrow, putative cleaning organ indicated by small arrows); B, chelate structure of exopod of right P5 (hair-sensilla arrowed); C, terminal exopod segment of left P5 (posterior).
Scale bars: 0.1 mm 'A); 0.05 mm (B); 0.001 mm (C).


Species Pontellopsis yamadae - Plate 6 of morphological figuresissued from : S. Ohtsuka & R. Huys in Hydrobiologia, 2001, 453/454. [p.456, Fig.10, A-B].
Male (from Japan): A, urosome (right lateral), putative cleaning device on 2nd and 3rd urosomites arrowed; B, putatuve cleaning organ on 2nd and 3rd urosomites, hair-sensillum arrowed.
Scale bars: 0.1 mm (A-B).

Nota: These structure could serve as auxiliary devices, however, the copulatory behaviour must be directly observed in order to reveal their precise function. These putative cleaning devices are associated with mechanoreceptors such as peg- and hair-sensilla which suggests that grooming may also be important during mating.


Species Pontellopsis yamadae - Plate 7 of morphological figuresissued from : T. Mori in The pelagic Copepoda from the neighbouring waters of Japan, 1937 (2nd edit., 1964). [Pl.47, Fig.1-6].
Female: 1, habitus (dorsal); 6, P5.

Male: 2, habitus (dorsal); 3, P5; 4, left A1; 5, right A1.


Species Pontellopsis yamadae - Plate 8 of morphological figuresissued from : T. Mori in The pelagic Copepoda from the neighbouring waters of Japan, 1937 (2nd edit., 1964). [Pl.48, Fig.13].
Female (from the other individual): 13, P5.


Species Pontellopsis yamadae - Plate 9 of morphological figuresissued from : Mulyadi in Treubia, 2002, 32. [p.150, Fig.55].
Male (from Java coast):: a, habitus (dorsal); b, metasomal somite 5 and urosome (dorsal); c, right A1; d, P5; e, distal segment of left P5.

Nota: The present specimen is slightly different from Mori's specimen in the presence 1 seta on inner base of exopod segment 2 of right P5.


Species Pontellopsis yamadae - Plate 10 of morphological figuresIssued from : M.C. Kos in Field guide for plankton. Zool Institute USSR Acad., Vol. I, 1972. After Mori, 1937 (2, 8), and Brodsky, 1962..
Female: 1, habitus (doesal) ; 3, same (lateral); 4, ; last thoracic segment and abdomen (dorsal); 5, same (ventral); 6, same (left side); 7, P5.
Male: 2, habitus (dorsal); 8, P5.

Compl. Ref.:
Yamazi, 1958 (p.152, Rem.); Anraku & Azeta, 1965 (p.13, Table 2, fish predator); Brodsky, 1972 (p.256); Chen Q-c, 1980 (p.795, comme yamadai); Mizushima, 1990 (fig. 3, tab.2); Yoo, 1991 (tab.1) ; Kim & al., 1993 (p.270); Hernandez-Trujillo, 1994 (tab.1); Shih & Young, 1995 (p.72); Suarez-Morales & Gasca, 1998 a (p.111); Hsieh & Chiu, 1998 (tab.2); Chang & Fang, 2004 (p.456, tab.1); Satapoomin & al., 2004 (p.107, tab.4); Hwang & al., 2006 (p.943, tabl. I); Dur & al., 2007 (p.197, Table IV); Ohtsuka & al., 2008 (p.115, Table 5); Tseng L.-C. & al., 2008 (p.46, table 2, abundance vs moonsons); Maiphae & Sa-ardrit, 2011 (p.641, Table 2, 3, Rem.); in CalCOFI regional list (MDO, Nov. 2013; M. Ohman, comm. pers.)
NZ: 5

Distribution map of Pontellopsis yamadae by geographical zones
Loc:
NE Indian (Malaysia: off Phuket coast), G. of Thailand, Indonesia (Sunda Strait, off Surabaya), Gulf of Tonkin, China Seas (Bohai Sea, Yellow Sea, East China Sea, South China Sea, Hong Kong), Taiwan (SW, Kaohsiung Harbor, Danshuei Estuary), S Korea, Japan (Nagazaki, Sagami, Suruga Bay, Tanabe Bay), W Baja California, G. of California (in Hernandez-Trujillo, 1994)

Type locality: Burma coast.
N: 31
Lg.:
(91) F: ± 2,8; M: ± 2,5; (120) F: 2,87-2,24; (290) F: 2,45-2,5; M: 2,05-2,3; (1087) M: 1,71-1,78; {F: 2,24-2,87; M: 1,71-2,50}
Rem.: epipelagic; neritic.
According to Yamazi (1958, p.152) the species is very rare, inside and outside the bay, in autumn and winter. For Anraku & Azeta (1965) this species is abundant at Nagazaki (east Kyushu)
Last update : 12/08/2019
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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 June 13, 2024]

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