design of breeding and aufwuchsbecken for shrimps, shellfish and fish

摘要

design of breeding andaufwuchsbecken for shrimps, shellfish and fish, consisting of round, square or reckeckigen fountain, which may be equipped with built-in.for example, from tubes formed bodies, in several floors and zwischenbu00f6den and hanging movable thread, the shrimps, crabs and the like caves orruheflu00e4chen or haltemu00f6glichkeiten to offer for the demand of animals after ru00fcckzugsbereichen, protection and verteidigungsru00e4umen, dunkelzonen and fressbereichen to operate, characterizedbetween ru00f6hrenku00f6rper (2), (3), zwischenbu00f6den threads (4), the beckenwu00e4nden 1, 1a, the perineum (1, 1a) and the surface areas (5, 5a) to swim there.