Tight-fitting tank lids (cats fish for fun; some swat fish out)
Heavy-duty stand rated 2x tank weight (180g full = 1,800 lbs - dogs jumping or bumping rocks the tank)
No exposed wires within reach (puppies chew + get electrocuted)
Cover sumps + skimmer cups (dogs drink sump water + cats catch fish from sump openings)
Train pets to ignore tank from puppyhood/kittenhood
Saltwater is toxic to dogs in volume - dehydration risk if drunk repeatedly
Tank covers + screen lids prevent jumping pets from breaking glass
Browse all aquarium safety articles. Pair with emergency response guides.