Category: fish reproduction

A bubble nest sounds weird but it’s vital for some fish. Have you ever seen hundreds if not thousands of tiny bubbles on the surface of your tank? Certain fish like some catfish and Gouramies along with betta fish. Who is the more famous for doing this like building bubble nests?

Let’s look at what these nests are for and why they make them. 

What Are Bubble Nests

Bubble nests are nests made by males to give somewhere safe for females to spawn their eggs these nests keep the eggs from predators and allow the parents to guard them until they hatch. read more

How many eggs do fish lay is a fascinating question we know fish have some incredible mating rituals. Fish dance and change colors some fish build nests to mate others hide in caves or ornaments. We also have fish called livebearers these fish give birth to live fully formed fry (baby fish)  so when fish lay eggs how many do they lay

How Many Eggs Do Fish Lay

90 % of bony fish lay eggs to be fertilized and then wait for the eggs to hatch. The record number of eggs laid is 300 million this was done by the ocean sunfish. The average amount of eggs laid is 1000 eggs. read more

Do fish lay eggs let’s investigate. There are many thousands of species of fish all being weird and wonderful in their own way but what about laying eggs?

We’ve all heard of fish giving birth to free-swimming babies called fry. These fish are called livebearers. There are also nesters who build a nest for their young also mouthbrooders and of course, there’s the whole spawning.

Let me explain keep reading and ill start by answering the question and then examine it in more detail.

Do Fish Lay Eggs

Yes, Approximately 90% of bony and 43% of cartilaginous fish are oviparous meaning these fish spawn eggs releasing them into the water to be fertilized and then hatching into fry. read more

What do fish eggs look like is a difficult question as there are a plethora of different types of egg-laying fish. So I thought let’s have a look at some of our most popular types of fish that lay eggs and detail what those eggs look like.

Fun Fact 

Did you know there are different types of egg-laying fish and many types of ways those fish lay and fertilize their eggs? More later.

Before going any further. Here is a synopsis of the basic characteristics of what a fish egg looks like after giving this overview we can look at some of the different eggs involved. I’ve 23 for us to go over so enjoy.   read more

One of the biggest problems with keeping neon tetra is getting good healthy tetra. These fish have blossomed in recent years. They have become one of the most-kept fish in the world. It’s believed two million of our little neon tetras are sold per month just in the United States.

However, the way they are farmed leaves disease and deformities open as there are too many fish to count and look for defects. The fish farms will generally just weigh the fish and guess how many fish are sold on that weight. This leaves them open to the possibility of dying before their time. read more