Definition that contains aquariums
- guppy small freshwater fish of South America and the West Indies; often kept in aquariums
- cichlid freshwater fishes of tropical America and Africa and Asia similar to American sunfishes; some are food fishes; many small ones are popular in aquariums
- water sprite aquatic fern of tropical America often used in aquariums
- needle spike rush fine-leaved aquatic spike rush; popular as aerator for aquariums
- ceratopteris pteridioides aquatic fern of tropical America often used in aquariums
- hair grass fine-leaved aquatic spike rush; popular as aerator for aquariums
- rivulus found in small streams of tropical America; often kept in aquariums; usually hermaphroditic
- water-target aquatic plant with floating oval leaves and purple flowers; in lakes and slow-moving streams; suitable for aquariums
- cichlid fish freshwater fishes of tropical America and Africa and Asia similar to American sunfishes; some are food fishes; many small ones are popular in aquariums
- lebistes reticulatus small freshwater fish of South America and the West Indies; often kept in aquariums