Fish

In nature, the Devonian period was one of the most important moments in history, as in this period most species…

The mandarinfish or mandarin dragonet owes its name to the intense and varied coloration of its body, which resembles the…

Fish exhibit great diversity, which is reflected in their appearance, size, and ecology. In addition to this, reproduction in fish…

Fish are fascinating living beings from an evolutionary point of view, as they have colonized one of the most inhospitable environments on Earth: t...

Sharks are the most feared aquatic organisms in the world. Much of this fame is due to their immense size and ferocious jaws. However, these charac...

Fish are famous for their dazzling colors and peculiar shapes, so it's common for many people to keep them as…

If you have a freshwater tank at home, you'll know that you have to pay almost constant attention to it…

The goldfish is one of the most popular fish among enthusiasts, as it's adaptable and resistant to different types of…

Setting up an aquarium is no easy task, with all the different things to think about, such as the water…

Fish don't only need excellent food and a spacious tank, but they require a good lighting system to regulate their daily activities. For this reaso...

The great hammerhead shark is the largest of the 3 species of hammerhead sharks. Although the characteristic "T" shaped head…

Each year, large numbers of healthy dolphins can get trapped on the seashore. This occurs due to factors such as…

Despite being a small inland sea, the one that surrounds certain coasts of the Iberian Peninsula isn't exempt from threats.…

Aquarophilia is an interesting hobby that has gained many followers and consists of breeding fish and other organisms in a…

Believe it or not, lungfish do exist and, as their name suggests, they're fish with lungs! Although they're not like…

The caudal fin is one of the many fins that a marine animal has, but it's the one that draws our attention the most, perhaps due to its movement, s...

When we think about animals that fly, birds are the first ones that come to our minds. However, have you ever heard about flying fish? As their nam...

In order to be able to move and keep their balance in water, fish really need their fins. Of course, they’re not all the same. It all depends on th...

The swim bladder in fish allows them to move according to their needs whether they inhabit the sea, rivers, or…

The eel is quite easy to identify because it looks like a swimming snake that hangs out in rivers and…

The prickly shark (Echinorhinus cookei) belongs to the family Echinorhinidae, along with the bramble shark (Echinorhinus brucus). There's very litt...