Answer: oceanaria

AnswerCrossword Clue
OCEANARIASaltwater aquariums
OCEANARIAFish exhibitions
OCEANARIALarge fish displayers
OCEANARIALarge marine fish tanks
OCEANARIALarge tanks for marine life
oceanariaA large seawater aquarium in which marine animals are kept for study and public exhibit
oceanariaOCEANARIUM, an enclosed part of the sea in which dolphins, porpoises etc. are kept for display