Einige Fischarten wie der Tanganjika-Schneckenbarsch sind darauf angewiesen, dass ihr Aquarium ihnen leere Schnecken- oder Muschelschalen als Rückzugsmöglichkeit anbietet. Und letztlich bilden, ähnlich wie Wasserpflanzen, solche Dekorationsgegenstände die Markierung von Reviergrenzen für territoriale Arten.
An aquarium can range from a small, unadorned glass bowl containing less than a litre of water – although generally unsuited for most fish (except, possibly, air breathing fish such as Siamese Fighting Fish or the Paradise Fish ) – to massive tanks built in public aquaria which are limited only by engineering constraints and can house entire ecosystems as large as kelp forest s or species of large shark s. In general, larger aquarium systems are typically recommended to hobbyists due to their resistance to rapid fluctuations of temperature and pH , allowing for greater system stability.Common crawl Common crawl