WoRMS taxon details
original description
Ohwada, Takashi 1988. <i>Streptospinigera alternocirrus</i>, a new species of Polychaeta (Syllidae: Eusyllinae). Proceedings of the Biological Society of Washington, 101(1): 83-86., available online at https://www.biodiversitylibrary.org/page/34645764 page(s): 83-86, figs. 1-2 [details]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
Holotype USNM 01494, geounit Japanese part of the North Pacific Ocean [details]
From editor or global species database
Depth range 2 m. [details]
Distribution Pacific coast of Japan. [details]
Etymology The specific epithet, alternocirrus, derives from the Latin, alterno, meaning alternate, and cirrus, meaning 'filament' or 'appendage'; it is used as a noun in apposition. [details]
Habitat In clean medium to fine sand, at shallow water. [details]
Reproduction Epitokes with four enlarged lenticular eyes, and several very long natatory setae on the segments swollen with reproductive material, being longer than usual capillary simple seta.
Larval settlement mainly from April to June in the type locality, with the highest density of 25,000 inds./m2. Adult population disappears soon after the breeding season. [details]
Type locality Pacific Ocean, Japan, Misaki, Kanagawa, Aburatsubo Bay (35º09'18"N, 139º36'55"E). [details]
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