Koi fishes are sensitive to parasites, viruses, lethal ammonia and nitrite. To get rid of these harms, you’ll need a good filter. It keeps the water clean and maintains a healthy environment for your ...

The researchers found that fish-feeding "intensity"—providing the most nutrition for tilapia in ponds—depended on important social factors like the farmers' income, experience in aquaculture ...

plus no pennies have been thrown in (which adds copper to the water and isn’t great for fish). Overall, compared to some of the inside koi ponds I’ve seen — it’s above average,” argued ...

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.