Basic reproductive biology of the barbed pipefish Urocampus nanus (Syngnathidae) under laboratory conditions

Atsushi Sogabe, Ryota Kawanishi, Hiromi Takata, Yasuhisa Kobayashi

研究成果: Article査読

1 被引用数 (Scopus)

抄録

The mating behaviour, fecundity characteristics and egg production process were investigated in the barbed pipefish Urocampus nanus under aquarium conditions. The mating behaviour consisted of five motor patterns, some of which have been generally reported in other syngnathids. Neither the number nor size of newborns related to the size of parents, although there was a negative correlation between the number and size of newborns. The ovary consisted of two germinal ridges, and mature eggs were produced synchronously with multiple ovulations. This type of egg production has thus far been reported only in a polyandrous and sex-role-reversed pipefish.

本文言語English
ページ(範囲)77-82
ページ数6
ジャーナルIchthyological Research
59
1
DOI
出版ステータスPublished - 2012 1

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

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