rock fishesとは 意味・読み方・使い方

The false rock block disposed in the river or the like to provide the habitat of fishes comprises a foundation part and a false rock body joined to the upper part of the foundation part integrally with the foundation part.例文帳に追加

河川等に配置され魚類の生息場所を提供する擬似岩石ブロックは、土台部と、土台部の上部に該土台部と一体接合された擬似岩石体と、を含む。 - 特許庁

To provide a new method for breeding young fries, easily reducing a mass mortality outgrowing at the initial period of seeds and saplings production of rock fishes, devil stringers, etc., inviting a large damage, without using an antibacterial agent, and improving its productivity by aiming at a good efficiency and stabilization of the production.例文帳に追加

カサゴやオニオコゼ等の種苗生産初期に発生し甚大な被害を招く大量へい死を，抗菌剤を使用することなく，かつ容易に軽減し，生産の安定化，効率化を図り生産性を高める新規の仔稚魚飼育方法を提供する。 - 特許庁