Facts about the animal kingdom of Exotic fish
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A fish, genetically speaking, is a cold-blooded, aquatic vertebrate equipped with gills for breathing and fins for swimming. Over a period of thousands of years, these animals have become accustomed to many aquatic conditions, from shallows to darkness. Fish come in all shapes and sizes. In fact, fish...
Did you know that male seahorses are the ones that give birth? It’s a fact that might surprise many, as it’s quite unusual in the animal kingdom. While most species have females giving birth, seahorses have flipped the script. This unique reproductive process is just one of the many fascinating aspects of...
The weever is any of the various fish species of the genus Trachinus. Eight individual extant species are currently recognized. Although they have certain differences, each share certain characteristics. Perhaps most notable is their ability to sting with venom due to the presence of spines on their dorsal...
Imagine a fish that can breathe air and survive out of water! That's the incredible lungfish, a rare and ancient group that defies expectations. Found in the Southern Hemisphere's freshwater habitats, these "primitive" fish boast a unique biology that allows them to thrive in both aquatic and semiaquatic...
Beneath the serene ocean surface lies a world of intriguing secrets, and one of these mysteries revolves around the fish's tongue. Have you ever wondered if fish have tongues? Well, their tongues are not quite like ours. Fish, known for their remarkable diversity, also boast a wide array of feeding...
The ocean sunfish, also known as the mola, is one of the most fascinating and unique fish species in the world. With its distinctive flattened shape, long dorsal fins, and enormous size, the sunfish has captured the imagination of marine biologists and casual observers alike. Despite its impressive appearance,...
Seahorses are tiny fish that get their name from the shape of their head, which resembles the head of a small horse. Although they look like something out of a fairy tale, seahorses are found in oceans all over the world. Seahorses are unique not only because of their shape, anatomy, colors and facial...
Fish are one of the most diverse types of vertebrate animals on the planet. Inhabiting all kinds of fresh and seawater environments, there are so many types that we need to classify them into different groups. How these are categorized is complicated, but often it is due to certain types of fish sharing...
Having an aquarium at home is ideal for those who do not have much space and want the company of a quiet and colorful pet. Aquariums, regardless of size, are relaxing to watch, because the comings and goings of the fish can be very entertaining. However, you may have noticed that fish sometimes begin to...
Agnatha are fish that have existed for over 470 million years. Although most agnatha are now extinct, some have found unique and interesting ways to survive. Agnatha or jawless fish can be found in waters all over the world, and they share few characteristics with other marine mammals.
But, what is...
The term fish is used to refer to an incredibly diverse group of animals. There are certain similarities they share, but almost all of them have some sort of exception. For example, all fish are vertebrates, but hagfish technically don't have a spine. This means the taxonomy of fish (i.e. how they are...
There are many different species of fish in the world, and if you have an aquarium at home, it is essential that you are up-to-date on all things fish related. The first thing you need to remember is that not all fish species can live together in harmony. In fact, the fundamental aspects of fish behavior...
All animals need periods of rest to help conserve energy and maintain life. While this rest takes many forms, one of the most important types is a state of sleep. However, not all animals sleep in the same way or for the same length of time. For example, many ungulate prey animals sleep for very short...
During the embryonic development of any animal, crucial processes are carried out so that the new individual can form correctly. Any failure, corruption or error during this process can cause serious damage to the progeny, including death of the unborn embryo. The embryo is the early stage of the development...
The sea, infinite and enigmatic, is full of mysteries. Most of these mysteries have not yet even been discovered. In the depths of the ocean, there is not only darkness and ancient hulled ships, there is also life. There are hundreds of creatures that live below the ocean's surface, some spectacular and...
According to Hindu tales, the Rainbow Fish was as large as a whale. This sea creature ate Lord Buddha, the incarnation of Lord Vishnu, but since Vishnu was a god, the mythical giant fish did not survive the experience! When the Rainbow Fish was caught and killed by fishermen, Lord Buddha - Vishnu - was freed...
Fish can be divided into two categories: Freshwater fish and saltwater fish. Freshwater fish live in habitats where water salinity is low, as is the case in rivers and lakes, while saltwater fish enjoy life in the ocean, lagoons and coral reefs, where the salinity is higher than 0.05%.
No matter their...