Do you know how many eyes a jellyfish has? Most people would say that a jellyfish has no eyes, but they would be wrong! A jellyfish actually has six eye clusters, each containing four simple eyes. These simple eyes are called ocelli, and they are used to catch light. The jellyfish also has a pair … Read more

Do you ever wonder how many fish are in the ocean? I know I do. I love going to the beach and looking at all the different types of fish. I always wonder how many there are. Scientists estimate that 3.5 trillion fish live in all the oceans combined. That is a lot of fish! … Read more

Have you ever wondered how many fish are in the world? It’s a question that has likely crossed the minds of many people. This article will attempt to answer that question by looking at the latest scientific estimations. So, how many fish are in the world? Scientists estimate that 3.5 trillion fish live in all … Read more

You’re probably wondering how many fish you can add to your new cycled tank. The general rule is “8 inches” of fish for an 8 gallon tank. So you could have 4 fish that are 2 inches long, or 2 fish that are 4 inches long. And that’s assuming you have a water filter, and … Read more