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Fiche d'espèce de Copépode |
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Calanoida ( Ordre ) |
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Arietelloidea ( Superfamille ) |
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Arietellidae ( Famille ) |
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Metacalanus ( Genre ) |
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Metacalanus acutioperculum Ohtsuka, 1984 (F,M) | |
| | | | | | | Ref.: | | | Ohtsuka, 1984 (p.360, figs.F,M); Chihara & Murano, 1997 (p.719, Pl.53: F,M); Vives & Shmeleva, 2007 (p.155, figs.F,M) |  issued from : S. Ohtsuka in Publ. Seto Mar. Biol. Lab., 1984, 24 (4/6). [p.360, Fig.1]. Female (from Tanabe Bay, Honshu): 1, habitus (dorsal); 2, idem (lateral left side); 3, forehead (ventral); 4, urosome (dorsal). Nota: Head and 1st pediger separate, 4th and 5th fused. Rostrum strongly develoed, with a pair of long filaments distally and 2 minute hairs proximally. Surface of prosome bearing branching and non-branching hairs. Urosome 4-segmented. Anal segment short with a well-developed operculum. Caudal rami symmetrical (about 1.6 times as long as wide). Right A1 18-segmented. Left A1 16-segmented, much longer than right A1.
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 issued from : S. Ohtsuka in Publ. Seto Mar. Biol. Lab., 1984, 24 (4/6). [p.361, Fig.2]. Female: 1, left A1; 2, right A1; 3, A2; 4, Md (mandibular blade ); 5, Md (mandibular palp); 6, Mx2; 7, Mxp; 8, P1 (anterior); 9, endopodite of P1 (anterior, all setae omitted); 10, P2 (anterior); 11, P3 (anterior); 12, P4 (posterior); 13, right P5 (terminal segment); 14, left P5 (posterior; terminal segment and basal ones). Nota: Md with heavily chitinized masticatory blade, armed with 4 teeth and 4 minute spinules at the base of the 1st tooth; basipodite of plalpus with 1 inner seta; endopodite wanting; exopodite 3-segmented, bearing 1 seta on segment 1, 1 seta on segment 2, and 2 lateral setae and 1 distal seta on segment 3. Mx2 with 6 inner lobes (endites), 1st with 1 long seta and 2 minute ones, 2nd and 3rd with 2 setae, 4th with 2 spinulose setae, 5th dilated in the middle and having short strong spine with minute spinules along ventral edge of its basal half, 6th bearing a naked seta; endopodite 3-segmented, 1st with 2 serrated setae and 1 serrate strong spine, 2nd with 2 serrated spines, 3rd with 2 serrated spines.
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 issued from : S. Ohtsuka in Publ. Seto Mar. Biol. Lab., 1984, 24 (4/6). [p.364, Fig.3]. Male: 1, habitus (dorsal); 2, urosome (dorsal; caudal rami omitted); 3, left A1; 4, Mx1; 5, P5 (posterior). Nota: Urosome 5-segmented. Left A1 16-segmented; right A1 18-segmented, shorter than left.
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 Issued from : M. Chihara & M. Murano in An Illustrated Guide to Marine Plankton in Japan, 1997. [p.724, Pl. 53, fig.56 a-e]. After Ohtsuka, 1984. Female: a, urosome; b, P5; d, habitus (dorsal). Male: c, P5; e, habitus (dorsal). Nota: Numbers show species charactrers.
| | | | | Ref. compl.: | | | Shimode & Shirayama, 2004 (p.607, tab.1, 2); Zenetos & al., 2010 (p.397); Belmonte, 2018 (p.273, Table I: Italian zones) | | | | NZ: | 2 | | |
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Carte de distribution de Metacalanus acutioperculum par zones géographiques
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| | | | | | | Loc: | | | Japan (Tanabe Bay, Honshu), W Medit. (Sicily) | | | | N: | 3 | | | | Lg.: | | | (289) F: 0,73; M: 0,63; {F: 0,73; M: 0,63} | | | | Rem.: | hyperbenthique, côtière.
observé sur la côte est de la Sicile (Campolmi & al., 1999).
Voir aussi les remarques en anglais | | | Dernière mise à jour : 05/02/2020 | |
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 Toute utilisation de ce site pour une publication sera mentionnée avec la référence suivante :
Razouls C., Desreumaux N., Kouwenberg J. et de Bovée F., 2005-2024. - Biodiversité des Copépodes planctoniques marins (morphologie, répartition géographique et données biologiques). Sorbonne Université, CNRS. Disponible sur http://copepodes.obs-banyuls.fr [Accédé le 21 novembre 2024] © copyright 2005-2024 Sorbonne Université, CNRS
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