Definition of

Fish

aquatic species

A fish is an aquatic animal.

Fish is a term that comes from pisces , a Latin word. Fish are aquatic animals that, thanks to having gills , can breathe underwater . Generally, these are oviparous (egg-laying) beings.

For example: "In the Caribbean I had the opportunity to dive among fish of all colors" , "In my childhood I had a pet fish: I had the fish tank next to my bed" , "Marcelo was on the dock all afternoon, but "He did not manage to catch a single fish."

types of fish

Although there are multiple species of fish, it is possible to list certain characteristics that are common to most of them. A fish, in this way, usually has fins to move easily underwater, in addition to having its body covered by scales that serve as protection for its skin .

It is possible to find fish in fresh water (such as rivers or lakes) and in salt water (the seas). There are specimens that live in a natural environment, while others are raised in aquariums or ponds for various purposes (for exhibition, marketing, etc.).

living being

Thanks to gills, fish can breathe underwater.

Some unique species

Among the most unique fish that exist in the world, by name or appearance, are the following:

-Pufferfish, which is considered a symbol of good luck but is highly toxic, capable of killing thirty people with its venom.

-Butter fish. It is a tropical fish that has become fashionable in recent years in the world of cooking. It can reach up to 2.4 meters in length and is black in color.

-Clown fish. The coral reefs of the Indo-Pacific are where you can find this species, which is characterized by its mixture of bright colors, such as orange, red or pink. It became known throughout the world thanks to the animated film "Finding Nemo", which featured clownfish.

-Thresher fish is a type of shark that is identified because it has a very long tail that it uses as if it were a whip to capture its prey.

From fish to fish

When the fish is taken out of the water and dies, it is named fish . Fish is a very important food for humans , since it provides a large amount of nutrients. Fishing (the activity that consists of removing fish from their natural environment), in fact, allows the livelihood of many towns that develop in coastal regions.

It should be noted that there is the type of sport fishing with return , which consists of extracting fish from the water but only temporarily, and then returning them to their environment.

Its importance in Christianity

It is interesting to know that the figure of the fish is very important in Christianity. The thing is that the Christians formerly used that, composed of two intersecting arches, as a secret symbol since at that time they were persecuted for their religion.

If one painted an arc and the other completed it, they both knew they had the same beliefs. As a general rule, inside they included acronyms that meant: "Jesus Christ, Son of God, Savior."