Dictionary of Ichthyology  

nest = a structure created for housing eggs and sometimes young, usually involving some cleaning or grouping of materials such as gravel or weeds, e.g. in Gasterosteidae and many Cichlidae (threespine stickleback, Gasterostesu aculeatus).

From Whymper's "The Fisheries of the World", 1883......more

Canadian Museum of Nature
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