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Undoubtedly, the Rhincodon typus, which is regarded as the biggest fish in the world and virtually unchanging in 400 million years, greatly surprises us. What are the 2 biggest fish? The basking shark is the second largest animal in the world, being next only to the whale sharks. All kinds...

When setting up your aquarium, those fishes should be added gradually. You can extend the aquarium cycling process by giving fish food that's much less or little feeding at first, and then gradually add more food of higher nutritional quality. Fermentation processes that occur in the aquatic environment during the...

Most fish reproduce by sexual reproduction - the fusion of sperm produced from testes and eggs produced from ovaries. However, some fish species have separate sexes and others live as hermaphrodites. How do fish release sperm? Once the sperm are released, they move into the vas deferens, then travel through...

Researchers claim that there are more than 3.5 trillion fish in the ocean today, but their status continues to change due to ecology and human activity. What percentage of fish are left in the ocean? With industrial fishing practices having grown rampant, 90% of all large fishes have gone missing...

Fish that can live with bettas and are new to the pet trade are catfish known as Cory Catfish. This fish has bright colors and versatile themes that you can choose from. Cultured Guppies, Ember Tetras and the amazing Platies are yet additions to the ... aquarium world, which you...

How do fish get pregnant? The female delivers eggs through a special cavity within her abdomen. Then, these eggs can be fertilized either through the water or within the females body. Uniquely, the third option is for these females to keep the eggs in their bodies until they are ready...

What do small fish eat in the wild? Like quite a few fishes, this carnivore also requires protein, as well as amino acids and vitamins. Their high percentage of protein can supplement the necessary proteins in their water; however, they ideally require at least 70% of their diet. A large...

Not uncommon, after starting a new aquarium, the aquarium can become cloudy due to the formation of nitrogen converting bacteria. Furthermore, this same bacterium can bloom if there is a sudden increase in nutrients in an established aquarium. How do you clear up a cloudy fish tank? Adding activated carbon...

How much should I feed my fish each day? As food consumption is excessive, a good rule of thumb is to use smaller quantities of food fish will finish completely in five to ten minutes. It is better to feed fish less than thought at first. Excess for fish can...