Aquarists use antibiotics to treat bacterial infections, such as fin rot, in fish. For the best chance of helping fish ...

A solitary sunfish at an aquarium in southwestern Japan lost its appetite, began banging into the side of the fish tank, and appeared unwell days after the facility closed last month for renovations.

SHIMONOSEKI, Yamaguchi Prefecture--A sociable ocean sunfish that clearly missed its human audience and fell sick during ... Kaikyokan aquarium suggested the 80-centimeter-long fish may feel ...

A gray seal found two weeks ago on New Haven’s Chapel Street has died of an intestinal illness ... by the aquarium on Monday morning, Chappy began having “digestive difficulties” when his diet ...