A receptacle for the care and maintenance of living things has a housing with an interior, and a lid that is securable thereto by rotation in a first direction and detachable therefrom by rotation in a second direction. A swivel member associated with the lid permits the lid to freely rotate relative to a portion of the swivel member. The receptacle has a suspension member with a first end portion securable to the swivel member and a second end portion securable to a support member so that when the assembled receptacle is suspended from the support member, the lid can rotate relative to the swivel member without being detached from the housing.

 
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> Raceway for cultivating aquatic organisms

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