The shark is one of the most popular animals known to the people, because of the physical characteristics that it possesses and for the thousands of stories of the lethal things that can become their attacks in some circumstances.
Sharks have inhabited the earth for millions of years, even long before the continents were populated. From then until today, they have evolved in an astonishing way what makes it an extraordinary animal with an anatomy that does nothing but improve with the passing of time.
There are at least 360 species around the world. These predators are also known as sharks, and some are given the name mackerel, as is the case of the white shark and the bull shark.
By the regulation they maintain, the inconsiderate depletion of these animals could trigger an imbalance in the ocean.
Main characteristics of the shark
The Sharks are animals belonging to a family of fish that are formed by skeletons of cartilage, a tissue rather flexible and with less weight than a bone.
They manage to breathe through a series of membranes that are located on both sides of your body and like any other fish breathe underwater through their guts. These animals have colors that help them to be camouflaged from potential predators who can attack or their potential victims.
By or general, the upper part of your body is composed of a dark color and its lower or ventral areas of a clear or white color. Its skin is rough, tough and thick, ideal characteristics to protect itself from other animals.
They can have different sizes depending on the species we are dealing with, the shark with the largest length is the whale shark with a maximum of 18 meters. The skin of sharks is well known for having dermal denticles that allows you to act with silent movements.
The teeth vary according to the species and the quality they possess is that they can replace those parts that they lose in attacks. In addition to this they can perceive electrical impulses which makes it easier to hunt.
They have a much more active behavior in hours of the night for hunting and most of these animals will be seen alone, although there are other species a little more sociable in mating times.
It is said that these animals have a lifespan of at least 20 to 30 years.
Sharks have an incredible ability to adapt, as is the case of the bull shark that can live in both freshwater and brackish waters.
How shark Habitat is
To sharks we can find them distributed throughout the oceans around the world, the depth, temperature and other factors such as the availability of food, define their distribution.
Sharks can adapt to a wide range of habitats, being able to live in shallow water, at the bottom of the ocean or open sea, tending to prefer tropical and temperate zones.
What is the feeding of the shark?
The diet of sharks is very varied, these feed mainly on fish, crustaceans, molluscs, plankton and even other sharks.
Sharks use their senses of smell and vision to be able to find potential victims by using the surprise factor as a mode of attack.
These species do not need large amounts of food to be able to compensate for the energy expended by the long routes to which it is subjected.
How Shark plays
Mating between sharks can be given once sexual maturity is reached, which occurs at the age of 9 to 15 years.
They can give birth of 1 to 2 offspring and the way of reproduction of these animals varies, ranging from viviparous form in which the shark leaves formed.
Also oviparous that is based on lays eggs and ovovivípara in which it gives birth to living offspring, which were formed in an egg that hatches inside the womb of the mother, is where it develops before leaving.
What are shark species?
There is a wide variety of species scattered around the world, which vary in characteristics according to the species.
Some of them may have a large length while others are quite small, with behaviors that vary in the same way.
Next we will give you the most common sharks of the 360 species:
The scientific name of the white shark is Carcharodonus charis, it can reach about 7.5 meters approximately.
The white shark receives this name by the white color of its ventral area, on the back it has a color that goes from dark grey to light grey.
The bull shark is known by its scientific name Taurus, but around the world it has been given an endless names among which are: «Sand tiger shark» and «Damsel Shark».
It belongs to the family Odontaspididae and these are of average size of 2.5 meters but can reach a maximum size of 3.5 meters, not forgetting that they have a weight of 90 to 200 kg. The color that covers the entire surface of this shark is gray and its ventral area is white. He is known for being able to navigate in freshwater and brackish waters without anything happening.
The scientific name of the Fox Shark is Alopias superciliosus but it receives a variety of names, among them «Fox of Spectacles» «Zorro bigeye» «Fox Shark» and «Rabón». The color of this animal in its belly area is white and its entire surface has a dark brown color reaching to confuse with an almost black greyish color.
They can be measured from 3 to 4 meters, reaching a maximum size of 5 meters, with a weight of 160 kg (average) to 360 kg.
The scientific name of the shark Tintorera is Prionace glauca and receives varied names depending on the area where you are, so you can find yourself with names such as: Blue Shark, Caguella, and tile.
The color of this animal is really beautiful, in the belly area is white and all over its back has a metallic blue color, have an average size of 2.5 meters and a weight of approximately 80 kg.
The tiger shark is also known as Galeocerdo Cuvier or «Sea Tiger», belongs to the family Requiem shark.
This is known to be one of the largest sharks, they have an average size of 3 to 4.5 meters, but they can reach a maximum size of 7 meters and weigh 600 kilograms. It is a white color in the area of the belly and blue or green on its back, ideal colors to camouflage and be able to surprise its prey or prevent its capture, with stripes similar characteristics to a tiger.
The whale shark is the only member of the family Rhincodontidae, this animal receives various names among which stands out Domino fish, fish lady and scientifically Rhincodon Typus.
The color in its ventral part is white in its entirety and its back is a very dark gray, also has yellowish and white polka dots that form horizontal and vertical lines and has a size of 12 meters.