Ray

Bone supporting the tissues of the fins.

The term "radius" is used in the field of aquarophilia to designate a species of fish belonging to the family of potamotrygonidae. These fish are from South America, and are mainly found in rivers and rivers in the tropical forest region.

The rays are characteristic shape fish, with a flat and rounded body and large pectoral fins which allow them to move agile in the water. They have thick and corneal skin that protects them from predators and injuries caused by rocks and branches immersed in water. The rays are also characterized by their large size, with certain species up to 80 cm in length and weigh up to 10 kg.

There are many species of rays, with very varied colors and patterns. The rays are generally black, gray or brown, with white, yellow or orange spots. Some species have patterns in the shape of concentric circles on their bodies, while others have vertical lines or side bands. The rays are also known for their tail, which is often longer than their body and which can be used to hit the predators or to move more quickly in the water.

In the aquarophilia, the rays are very appreciated for their beauty and their peaceful behavior. They are generally quite calm and are not aggressive towards other fish, which in fact good companions for many different species. However, it is important to take into account their maintenance and care needs when you decide to include it in your aquarium.

The rays need a large aquarium, with at least 200 liters of water for a single species. They also need a clear space to swim and many cache points to hide and rest. The rays are omnivorous fish, which feed on crustaceans, molluscs, plants and food for flakes or pellets. They need a varied and balanced diet to stay healthy and prosper in your aquarium.

Enen Conclusion, the term "radius" designates a species of fish belonging to the family of Potamotrygonidae, originally from South America. They are known for their beauty, their peaceful behavior and their large size, and they are very popular in the field of aquarophilia. However, it is important to take into account their maintenance and care needs to ensure their well-being and health in your aquarium. They need a clear space to swim, many cache points and a varied and balanced diet.