Fish Behavior

You will often find queries on fish keeping forums about guppies changing their gender. Many swear that they were sure that they bought fishes of a particular amount of sex ratio and it turned out to be different during breeding. So, can male guppies really turn into females? While it is rumored that livebearers … Read more

In the guppy world, one should really be observant in order to see if there are any problems in the tank. Unfortunately, guppies are not like cats or dogs who will alert you if something is wrong with them. Therefore, you should always be on the lookout for some behavioral changes in your guppies, … Read more

Koi fish are known for being calm and relaxed, fiercely loyal, and an overall joy to have. But due to their immense size and powerful jaws, they have gained quite the reputation for their appetite. This leads a lot of people who own koi to wonder if koi will eat smaller fish, especially their … Read more

A lot of guppy owners know that there should always be some type of cover at the top of the tank as these fishes tend to jump out of the tank. Which may lead you to think, why do guppies jump out of the tank? Do they have a feeling that they are still … Read more

If I have more than one male guppy, will they fight? Male guppies do fight sometimes, though they are usually peaceful. Pay attention if you suspect they are fighting. Guppies that have flesh bitten out of their fins will be more susceptible to sickness. When you have a small group of male guppies, you … Read more

Do guppies eat baby guppies? You might be excited to see guppy babies once the females give birth to them, only to find out that slowly but surely, the babies are nowhere to be found. Did they get eaten? Did they disintegrate? Or were they fated to not be found? Adult male guppies eat … Read more

Not all fishes have eyelids to indicate they are sleeping, except for sharks. They sleep with their eyes open (a technique that would have been so useful to us humans in boring situations). So, can fish sleep with the lights on? The short and quick answer to it is no, they cannot. It disturbs … Read more