Can you defrost fish in vacuum sealed? There is an easy solution. Either take the fish out of the package or simply cut a hole in the vacuum package to allow air inside before putting the fish into the refrigerator to thaw. This is no longer an anaerobic environment. So no longer risky. Why do…
Archaeologists have found the world’s oldest fish hooks in a cave on the Japanese island of Okinawa. The pair, dating from about 23,000 years ago, were carved from sea snail shells and found with other ancient relics, according to a paper. When was the fish hook invented? The fish hook or similar device has been…
Float fishing is used when your target fish prefer bait in the current or mid water and the best way to achieve this is with a float. There are four main types of float used: wagglers, sticks, poles and sliding floats. What are floats used for in fishing? The float is used to enable the…
Can Fish Live in Bowls? While it is possible for a fish to survive in a bowl of water, consideration should be given to the quality of that fish’s life. Like other animals, fish breathe oxygen and release carbon dioxide, using their gills to extract oxygen from the water. How long can you keep fish…
The actual colors within the visible spectrum are determined by the wavelengths of the light: the longer wavelengths are red and orange; the shorter wavelengths are green, blue, and violet. Many fish, however, can see colors that we do not, including ultraviolet. What colors can fish see? Most fish can distinguish color over wavelengths ranging…
Copper has been used effectively for many years to control algae and fish parasites in freshwater and marine systems. Because copper does not discolor the water, it is a preferred treatment for use in display aquaria. Chronic copper exposure will also adversely affect fish health. Does copper hurt fish? Copper sulfate is toxic to very…
Arachnids around the globe can catch fish twice their size Fish-eating spiders sound like something out of a nightmare, but until recently, scientists were pretty sure only a few kinds of arachnids could do it. Can Koi eat spiders? A koi will enjoy eating anything that lives in water, but it’s best to cook these…
You might not be able to cuddle them, but it turns out you can teach your fish how to fetch. Despite the myth that fish only have short-term memory, the experts at R2Fish school say all fish can easily be trained — the key is repetition and treats. Do fish miss their owners? Do Betta…
As I said above, fish food is most probably not going to harm your dog. At the most, it may give fido an upset tummy, but nothing more. Consult with a veterinarian if your dog is reacting negatively to eating the food. The most dangerous part of the fish food is likely the package it…
Can fin rot be reversed? While relatively easy to prevent, fin rot can be difficult to cure once it does set in, particularly in the more advanced stages. If left untreated, fin rot will eventually kill the diseased fish and may infect all the other fish in the tank as well. Will water changes help…
Goldfish crackers are likely not going to poison or harm your cat in small, infrequent amounts unless your cat happens to have a specific allergy to one of the product’s ingredients. Technically, these crackers do contain a tiny amount of protein and fiber, both of which are beneficial for cats. Can you give a cat…
In short, betta fish can’t live in cold water. The reason is simple: they’re tropical fish that prefer warm water. Keeping bettas in cold water is like you’re trying to freeze them. If you place them in cold water, your betta will become considerably slow or even stationary. Is cold water bad for betta fish?…