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Polychaeta source details

Izuka, A. (1908). On the breeding habit and development of Nereis japonica n. sp. Annotationes zoologicae japonenses. 6(4): 295-305.
50518
Izuka, A.
1908
On the breeding habit and development of <i>Nereis japonica</i> n. sp.
Annotationes zoologicae japonenses
6(4): 295-305
Publication
World Polychaeta Database (WPolyDb)
Publication date: 20 June 1908
[None. Work starts as follows:]
The Lycorid Annelid dealt with in this paper comes very close to Nereis diversicolor O. F. Müll., as compared with the descriptions and drawings of the latter given by several authors (Malmgren, Ehlers and Schröder, &c.) and also with the alcoholic specimens from St. Andrews (Scotland) and from Foxfield in the Dudden estuary (England). However there exist some differences between the two forms, mainly in the arrangement of paragnathi. Thus in the Japanese specimens the paragnathi in the VII. and VIII. division of the proboscis are arranged in one continuous row, while in N. diversicolor they are arranged in three or four irregular rows (text-figure 1, A and B.); and moreover the falcate bristles of the former are of a greater magnitude than those of the latter (text-figure 1, C and D.)
Japan
Reproduction
Systematics, Taxonomy
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2013-01-12 18:30:12Z
created
db_admin
2016-05-21 14:38:51Z
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Nereis japonica Izuka, 1908 accepted as Hediste japonica (Izuka, 1908) (original description)
Syntype UMUTZ Ann-Pc-114, geounit Tokyo, identified as Nereis japonica Izuka, 1908
Syntype UMUTZ Ann-Pc-55, geounit Inland Sea off Seto, identified as Nereis japonica Izuka, 1908
Japanese gokai [from synonym] for Nereis japonica Izuka, 1908
Japanese umi-biiru [from synonym] for Nereis japonica Izuka, 1908


 Depth range

Littoral, between tide marks.  [details]

 Diet

''They are [...] very active and voracious, feeding on various aquatic animals and plants'' (Izuka, 1908: 298).  [details]

 Distribution

NW Pacific Ocean: Japan; Busset Lagoon (Sakhalin, Russia).  [details]

 Etymology

The specific epithet japonica (masculine: japonicus) is a New Latin adjective meaning 'of or relating to Japan', ... [details]

 Habitat

Atokous specimens live in the littoral, between tide marks, burrowing in the mud or sand to a depth of a foot or ... [details]

 Human impact

'The worm in the mature phase is collected in masses [in Kojima Gulf] and very extensively used as manure. [...] It ... [details]

 Reproduction

''With respect to the swarming habit of the mature worm, it has long been known from the experience of fishermen in ... [details]

 Type locality

Japan, Pacific Ocean. The species was described based on specimens collected mainly in Kojima Gulf and in the ... [details]