Oithona tenuis - Species Card - Marine Planktonic Copepods

Oithona tenuis Rosendorn, 1917 (F)

Taxonomy

Order Cyclopoida

details

Family Oithonidae

details

Genus Oithona

details list species for this Genus

Abbreviations or symbols

References

List of the studied authors

Rosendorn, 1917 (p.302); 1917 a (p.14, figs.F); Früchtl, 1924 b (p.65); Farran, 1929 (p.210, 282); Kiefer, 1929 g (p.5, fig.F); Dakin & Colefax, 1933 (p.208); Farran, 1936 a (p.123); Dakin & Colefax, 1940 (p.116, figs.F); Lindberg, 1955 a (p.465: Rem.); Vilela, 1968 (p.30); Wellershaus, 1970 (p.484); Ramirez, 1971 (p.89, figs.F, Rem.); Kos, 1972 (Vol. I, figs.F, Rem.); Chen & al., 1974 (p.38, figs.F, p.75: Rem.); Nishida & al., 1977 (p.153, figs.F); Shuvalov, 1980 (p.99, figs.F); Björnberg & al., 1981 (p.663, figs.F); Nishida, 1985 a (p.52, 71, 99, figs.F, Rem.F, p.131); Yoo & Lim, 1993 (p.91, 97, ,Table 1, fig.2); Chihara & Murano, 1997 (p.939, Pl.195: F); Bradford-Grieve & al., 1999 (p.886, 966, figs.F); Conway & al., 2003 (p.227, figs.F, Rem.); Avancini & al., 2006 (p.127, Pl. 95, figs.F, Rem.); Vives & Shmeleva, 2010 (p.80, figs.F, Rem.)

Figures

Plate 1 issued from : F.C. Ramirez in Revta Mus. La Plata, Seccion Zool., 1971, XI. [Lam.III, Figs.3, 8, 9].
Female (from off Mar del Plata): 3, habitus (dorsal); 8, forehead (dorsal); 9, idem (lateral).
Scale bars in mm: 0.4 (3)0.02 (8, 9).

Species Oithona tenuis - Plate 2 of morphological figures

Plate 2 Issued from : S. Nishida in Bull. Ocean Res. Inst., Univ. Tokyo, 1985, No 20. [p.100, Fig.58].
Female: a, habitus (dorsal); b, forehead (lateral); c, thoracic segment 5 and genital segment (lateral right side); d, anal segment and caudal rami (dorsal); e, A1; f, Md; g, Mx1.
Nota: Proportional lengths of urosome segments and caudal ramus 12:31:16:16:14:10. A1 with posteroventral row of minute teeth on segments 2-22.

Species Oithona tenuis - Plate 3 of morphological figures

Plate 3 Issued from : S. Nishida in Bull. Ocean Res. Inst., Univ. Tokyo, 1985, No 20. [p.101, Fig.59].
Female: a, A2; b, Mx2; c, Mxp; d, P1; e, P2; f, P3; g, P4.

Nota: Basipodal segments 1-2 of A2 fused or divided into 3 parts by inconspicuous partitions. Inner marginal seta on exopodal segment 1 of P1-4 with very minute but present in all specimens from the temperate and equatorial Pacific. Olson (1949) and Chen & al. (1974) described female without inner marginal seta on exopodal segment 1 of P1-4 from off California and the East China Sea, respectively.

Nota after Vives & Shmeleva (2010, p.80): Setal formula on outer margin (in first) and inner margin (in second) of exopod segments (from proximal to distal) of P1 to P4:
P1: 1, 1, 2; 1, 1, 4.
P2: 1, 0, 2; 1, 1, 5
P3: 1, 0, 1; 1, 1, 5.
P4: 0, 0, 1; 1, 1, 5.

Species Oithona tenuis - Plate 4 of morphological figures

Plate 4 issued from : Q.-c Chen & S.-z. Zhang & C.-s. Zhu in Studia Marina Sinica, 1974, 9. [Pl.5, Figs.3-8].
Female (from China Seas): 3, habitus (dorsal); 4, forehead (lateral); 5, P1; 6, P2; 7, P3; 8, P4.

Species Oithona tenuis - Plate 5 of morphological figures

Plate 5 issued from : I. Rosendorn in Wiss. Ergebn. dt. Tiefsee-Exped. \"Valdiviella\", 1917, 23. [p.14, Fig.3].
Female: a, habitus (dorsal); b, forehead (lateral); c, Md (mandibular palp); d, Mx1.
Nota: Rostrum curved ventrally. Proportion of lengths (p.cent) Prosome : 53.27, Urosome : 46.73 . Relative lengths of urosomal segments and caudal rami: 9 : 30 : 15 : 14 : 12 : 12. Genital segment without tuft of hairs.

Species Oithona tenuis - Plate 6 of morphological figures

Plate 6 issued from : I. Rosendorn in Wiss. Ergebn. dt. Tiefsee-Exped. \"Valdiviella\", 1917, 23. [p.14, Fig.4].
Female: a, exopod of P1; b, P2; c, exopod pf P3; d, exopod of P4.
Nota: Setal formula of the exopod swimming legs P1 to P4 (Se = outer setae ; Si = inner setae), P1 : 1, 1, 2 Se ; 0, 1, 4 Si ; P2 : 1, 0, 2 Se ; 0, 1, 5 Si ; P3 : 1, 0, 1 Se ; 0, 1, 5 Si ; P4 : 0, 0, 1 Se ; 0, 1, 5 Si .Length of the distal spine of exopod 3 of P1 shorter than in O. plumifera and atlantica.

Species Oithona tenuis - Plate 7 of morphological figures

Plate 7 issued from : V.S. Shuvalov in Opred. Faune SSSR, Nauka, Leningrad, 1980, 125. [p.100, Fig.16].
Female: 1, prosome and urosomal seggments 1 and 2 (dorsal); 2, habitus (dorsal); 3, thoracic segment 4 and urosome (dorsal); 4-5, forehead (dorsal and lateral); 6, Mx2; 7, Mxp; 8, P1; 9, P2; 10, P3; 11, P4; 12, thoracic segments 4 and 5.

Species Oithona tenuis - Plate 8 of morphological figures

Plate 8 Issued from : S. Nishida, O. Tanaka & M. Omori in Bull. Plankton Soc. Japan, 1977, 24 (2). [p.153, Fig.24].
Female (off Suruga and Sagami Bay and adjacent waters): a, habitus (dorsal); b, forehead (lateral); c, Md; d, Mx1; e, P1; f, P2; g, P3; h, P4.

Nota: Formulae of exopod P1 to P4 (outer setae in first, inner setae in second). P1: 1,1,2; 1,1,4. P2: 1,0,2; 1,1,5. P3: 1,0,1; 1,1,5. P4: 0,0,1; 1,1,5.
Prosome length/urosome length = 0.98-1.03.

Plate 9 Issued from : K.-I. Yoo & D.-H. Lim in The Korean J. Syst. Zool., 1993, 9 (2) [p.97: key of female] in Korean Waters: Morphological characters of Oithona tenuis female :
1 - Anterior part of prosome produ!ced into pointed rostrum in dorsal view.
2 - Exopod 3rd segment of P1 with 2 outer marginal spines.
3 - Exopod of Md with 2 setae, and prosome length more than 3.4 times of prosome width.

Species Oithona tenuis - Plate 10 of morphological figures

Plate 10 Issued from : K.-I. Yoo & D.-H. Lim in The Korean J. Syst. Zool., 1993, 9 (2) [p.99, Fig.2, E]
Female (from East and South Korean Waters): E, Md.

Complementary References

List of the studied authors

Sewell, 1948 (p.420, 461); Grice & Hart, 1962 (p.287, 293: Rem.); Grice, 1963 a (p.496); De Decker, 1964 (p.16, 23, 29); Unterüberbacher, 1964 (p.32); De Decker & Mombeck, 1964 (p.13); Pavlova, 1966 (p.44); Delalo, 1968 (p.138); Klekowski & al., 1977 (p.467, respiration); Zalkina, 1977 (p.339, tab.1); Star & Mullin, 1981 (p.1322, abundance); Kovalev & Shmeleva, 1982 (p.85); Guangshan & Honglin, 1984 (p.118, tab.); Binet, 1984 (tab.3); Yoo, 1991 (tab.1); McKinnon, 1991 (p.471); Kim & al., 1993 (p.271); Shih & Young, 1995 (p.75); Noda & al., 1998 (p.55, Table 3, occurrence); Suarez-Morales & Gasca, 1998 a (p.112); Siokou-Frangou, 1999 (p.478); Lavaniegos & Gonzalez-Navarro, 1999 (p.239, Appx.1); Lo & al., 2001 (1139, tab.I); Lan & al., 2004 (p.332, tab.1); Mazzocchi & al., 2005 (p.155); Prusova & Smith, 2005 (p.76, as tenius); Lopez-Ibarra & Palomares-Garcia, 2006 (p.63, Tabl. 1, seasonal abundance vs El-Niño, Rem.: p.70, 72); Dias & Araujo, 2006 (p.74, Rem., chart); Zervoudaki & al., 2006 (p.149, Table I); McKinnon & al., 2008 (p.843: Tab.1); Lopez Ibarra, 2008 (p.1, Table 1, fig.11: abundance); C.-Y. Lee & al., 2009 (p.151, Tab.2); Galbraith, 2009 (pers. comm.); Lan & al., 2009 (p.1, Table 2); Hernandez-Trujillo & al., 2010 (p.913, Table 2); Dias & al., 2010 (p.230, Table 1); Mazzocchi & Di Capua, 2010 (p.428); Zhang G.-T. & Wong, 2011 (p.277, fig.6, 7, abundance, indicator); Kâ & Hwang, 2011 (p.155, Table 3: occurrence %); Uysal & Shmeleva, 2012 (p.909, Table I); in CalCOFI regional list (MDO, Nov. 2013; M. Ohman, comm. pers.); Tachibana & al., 2013 (p.545, Table 1, seasonal change 2006-2008); Tseng & al., 2013 (p.507, seasonal abundance); Terbiyik Kurt & Polat, 2013 (p.1163, Table 2, seasonal distribution); Fernandez de Puelles & al., 2014 (p.82, Table 3, seasonal abundance); Bonecker & a., 2014 (p.445, Table II: frequency, horizontal & vertical distributions); Lopez-Ibarra & al., 2014 (p.453, fig.6, biogeographical affinity); Mazzocchi & al., 2014 (p.64, Table 3, 4, 5, spatial & seasonal composition %); Zakaria & al., 2016 (p.1, Table 1, Rem.); Benedetti & al., 2016 (p.159, Table I, fig.1, functional characters); Benedetti & al., 2018 (p.1, Fig.2: ecological functional group); Palomares-Garcia & al., 2018 (p.178, Table 1: occurrence)

Distribution

NZ: 16

Distribution map of Oithona tenuis by geographical zones

Distribution map of Oithona tenuis for the Zone Mediterranean Sea, Black Sea

Distribution map of Oithona tenuis for the Zone Indian Ocean

Distribution map of Oithona tenuis for the Zone China Seas, Vietnam

Additional Maps & Charts

Species Oithona tenuis - Distribution map 5

Map 5 Issued from : S. Nishida in Bull. Ocean Res. Inst., Univ. Tokyo, 1985, No 20. [p.131, Fig.80].
Indo-Pacific geographical distribution of Oithona tenuis. Dotted line: AC, Arctic Convergence; SC, Subtropical Convergence.

Species Oithona tenuis - Distribution map 6

Map 6 issued from : I. Rosendorn in Wiss. Ergebn. dt. Tiefsee-Exped. "Valdiviella", 1917, 23. [Taf. I].
The genus Oithona: Distribution of species sampled during the Deutsche Tiefsee Expedition 1898-99.
The size of symbols indicates the relative quantitty of the species.

Map 7 Issued from : C. Castellani, C. Robinson, T. Smith & R.S. Lanpitt in mar. Ecol/ Progr. Ser., 2005, 285. [p.132, Table 1].
Oithona spp. Summary of respiration rates (range) reported in the litterature in different regions.
b: converted to carbon from dry weight assuming body carbon as 40% of dry weight (Mauchline, 1998); c: converted to dry weight from wet weight assuming 81% water content (Mauchline, 1998); d: measurements made during 17 of RV 'Academic Kurchatov' between 05°21' N, 88°05' W and 00°01' S, 139°41' W.
Cf. Oithona similis to compare to other species in Table 1 in the same authors.

Localisations

Geographical glossary

South Africa (W), Namibia, G. of Guinea, Argentina, Brazil (off Rio de Janeiro, off Vitoria-Cabo de Sao Tomé, off Macaé), off Amazon, Sargasso Sea, ? off Cape Cod, Lisboa, Medit. (Baleares, Ligurian Sea, G. of Napoli, Adriatic Sea, Aegean Sea, W Egyptian coast, Iskenderun Bay, Lebanon Basin), Red Sea, Madagascar (Nosy Bé), Arabian Sea, Indian, Indonesia-Malaysia, Sulu Sea, China Seas (Yellow Sea, East China Sea, South China Sea), Hong Kong, Taiwan Strait, Taiwan (SW, NW, NE), S & E Korea, Cheju Is., Japan, Kuchinoerabu Is., Tokyo Bay, Pacif. (W equatorial), Pacif. (N Central Gyre), Australia E & W (Great Barrier, New South Wales, North West Cape), N New Zealand, New Caledonia, off Hawaii N, off British Columbia (rare), off W Baja California (Bahia Magdalena), La Paz, G. of California, Pacif. (tropical), SE Pacif.

Quotations

N: 80

Dimensions (mm)

References of the authors concerning dimensions

(35) F: 1,22-1,15; (104) F: 1; (109) F: 1,14-0,96; (327) F: 1,29-1,19; (432) F: 1,37-1,1; (627) F: 1,25-1,17; (786) F: 1,27; (880) F: 1,07-1,16; (991) F: 1,11-1,12; {F: 0,96-1,37}

Remarks

epiplagic.
After Benedetti & al. (2018, p.1, Fig.2) this species belonging to the functional group 6 corresponding to small ambush feeding omnivorous.

See in DVP Conway & al., 2003 (version 1)

Last update : 16/12/2020

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