Are we wrong to assume fish can’t feel pain? CONCLUSION. A significant body of scientific evidence suggests that yes, fish can feel pain. Their complex nervous systems, as well as how they behave when injured, challenge long-held beliefs that fish can be treated without any real regard for their welfare. Do fish feel pain from…

None of them have been substantiated, so there’s no definite proof that a goliath tigerfish can kill a human. On the other hand, they’re definitely a dangerous breed. Fishermen have lost fingers to the goliath, and there have been reports of swimmers and small children being attacked when they’re in the water. How dangerous are…

African Butterfly Fish Surface dwelling fish are some of the best tank mates for predatory Bichirs. They mimic fallen leaves and debris while waiting for small fish and fallen insects to drift nearby. What fish can live with a Bichir? Bichir Tank Mates Oscar fish. Flowerhorn cichlids. African knife. Clown Loaches. Jack Dempsey fish. Silver…

The common fish species that are suitable for life in an aquarium without a filter are: Bettas, Guppies, White Clouds, and a few others, sometimes joined by ghost shrimp or snails. Can you keep a fish without a filter? Yes your fish could survive providing you put a lot of work in doing 30 to…

Are frozen blood worms alive? These worms are alive (obviously) and the buyers of this tend to like the idea that they are giving fish food in a more natural way. What is this? Pros: Live bloodworms tend to be fresher than frozen or freeze-dried options. Can you feed live bloodworms to fish? Bloodworms are…

A recent study shows that fish are more emotionally complex than we give them credit for. Scientists at the University of Burgundy in France studied one called the convict cichlid, a monogamous fish species that forms long-lasting pairs. Do fish have emotional feelings? Not only do fish have feelings, but this ability might have evolved…

Refreezing meat and fish You can refreeze cooked meat and fish once, as long as they have been cooled before going into the freezer. If in doubt, do not refreeze. Frozen raw foods can be defrosted once and stored in the fridge for up to 24 hours before they need to be cooked or thrown…

Yes, they can get something lodged in their throat and it can be fatal to them. I’m not sure how food would affect them, or if it would eventually break down, but I don’t like to take chances. I have heard of cases of fish choking on things like a chunk of substrate, a rubber…

While most fish rest by reducing their activity and metabolism, fish “sleep” is different from that of land mammals. The nature of fish “sleep” is an area of active research. While fish do not sleep in the same way that land mammals sleep, most fish do rest. Do fish know when to sleep? Like people,…

Fish heads, either separated or still attached to the rest of the fish, are sometimes used in food dishes, or boiled for fish stock. Do fish heads taste good? Fish heads can be the tastiest bites of the fish—and they figure prominently in many cuisines. They’re flavorful, for one thing—often more flavorful than the rest…

Hyperventilation is a common response in fish exposed to elevated water CO2. Why is my fish breathing so hard? If your fish are breathing heavy and not eating, there’s something going on, either the fish are sick or the water is not good. If there’s a parasite that’s affecting their gills, they’re going to breathe…

If the plastic used for your storage box is not strong enough, the risk of water leaking dramatically increases. Certain types of plastic are not suitable for aquarium use and can have a harmful effect on the fish in the aquarium. Can I keep my fish in a plastic container? Fish should be housed in…