Toss refrigerated raw fish 2 days after the sell-by date. Raw fish doesn’t last very long in a refrigerator, and it begins to go bad soon after the sell-by date. Look for the sell-by date on the packaging. If more than 1 or 2 days have passed since that date, throw the fish out. Can…

Those designed for other fish, such as tropical fish, will not be healthy. Actual betta pellets and flakes contain the correct level of nutrients for your betta fish. These treats should not make up the bulk of your betta fish’s diet. They should be fed to your betta in moderation. Can betta fish live on…

Oysters and scallops are beautiful, peaceful, and great additions to a tank. Oysters and scallops are generally filter feeders, meaning that they filter phytoplankton and zooplankton from the water column for feeding. They need moderate to high water flow to bring food to them and carry wastes away. Can fish eat scallops? Many kinds of…

A predatory fish, it feeds on insect larvae, small fish and flying insects, such as mayflies and damselflies. Are trout predators fish? Rainbow trout are predators with a varied diet and will eat nearly anything they can capture. In rivers and streams populated with other salmonid species, rainbow trout eat varied fish eggs, including those…

Re: Black walnut trees near pond. Yes the Juglon or whatever it is in the hulls are toxic to fishJun 18, 2013. Are walnut trees toxic to fish? Juglone, a biologically active chemical occurring in various parts of walnut trees, was tested for its toxicity to fish. Standard (pH = 7.4) and buffered (pH =…