Fish Behavior

If you’re thinking about getting a betta fish, you might be wondering how many you can put in a 5-gallon tank. The answer, according to experts, is just one. Keeping more than one betta fish in a 5-gallon tank will overcrowd your tank and stress your fish, and may even shorten their lifespan. So, how … Read more

Bones are an essential component of the skeletal system in all animals, including fish. But how many bones does a fish have? The answer may surprise you. The average fish has approximately 150 bones in its skeleton. That’s a lot of bones for such a small creature! So, how many bones does a fish have? … Read more

So, how many crawfish in a pound? It depends on lots of variables, including Mother Nature, water quality, available food supply and temperature. We think a good answer is between 25 and 30. But… A good rule of thumb is that there will usually be between 20 and 30 crawfish in a pound. However, this … Read more

So, how many eggs does a fish lay? Fish usually lay hundreds to tens of thousands of eggs. The term describing the ability to produce plenty of offspring is called fecundity. A Fish may lay around 100 to 1000 eggs and it depends on its size. Many tank fish, together with mollies, guppies and swordtails, … Read more

Hi, have you ever wondered how many eyelids fish have? Most people don’t know and that’s because they really don’t need them. In this article, you will learn why fish don’t need eyelids and the benefits of not having them. So, how many eyelids do fish have? Fish don’t have eyelids because they don’t need … Read more

Most people believe that starfish don’t have eyes because they can’t see them. However, sea stars actually have eyespots at the end of each arm. So, a five-armed sea star has five eyes and a 40-armed sun star has 40 eyes. This article will explain how many eyes starfish have and where they are located. … Read more