Blue marlin is a fish that attracts attention with its unusual appearance. It seems that everything in her is the same as in ordinary fish, only her nose is very big! Atlantic blue marlin is a representative of the class of radiant fish.
It belongs to the sailing family, which is part of the perciform order. The genus to which this fish belongs is called marlin.Blue gauze
They began to magnify this fish because of a long outgrowth on the face that resembles a pile (this is such a working tool for rigging). And translated into English, this tool is called marlinspike. This is where the name “marlin” came from.
What is the appearance of marlin fish?
It should be noted right away that the representatives of this species females are much larger than males - as much as 4 times! Body weight sometimes reaches 800 kilograms. The maximum length of these fish, recorded by the researchers, is 5 meters.
The color of blue marlin is multi-colored: the dorsal part has a blackish-blue hue, the fish belly is silver-white. Each side of the marlin is decorated with fifteen strips formed by small dots. These strips are arranged vertically.
The nose formed by the spear is very durable. Marlin's teeth look like a file - they are quite frequent and small.Blue marlin, like dolphins, and whales love to jump out of the water
Where does Atlantic marlin live?
Its territory of residence is the waters of the western Atlantic of the temperate climatic zone. At times, marlin is found in the warm waters of the Pacific Ocean. Its usual temperature, suitable for normal life - from +22 to +30 degrees.
How does marlin fish behave in a natural environment? What are the features of her behavior?
All blue marlin are predators. They get their food in the upper layers of water. But these representatives of the sailing family prefer to live away from the coast.
Atlantic marlin is not a flock of fish, preferring to swim and hunt alone. Although, flocks are still formed, but this happens extremely rarely.A flock of blue marlin gathered for a feast. The reason is a joint of herring.
In water open spaces, blue marlin are real racers. Due to the special streamlined body structure and the fins folding into special recesses, they are able to swim at very high speeds.
Marlins do not stay in one place, they are prone to constant migrations. The main directions of their relocation are movements from the Caribbean islands to the coast of Venezuela and from the Virgin Islands to the coast of Africa.
What makes up the nutrition of Atlantic marlin?
Marlins are predatory fish. Their main food is tuna, mackerel. In addition, they can eat various cephalopods. Marlins have a special way of hunting: they accelerate at high speed in the direction of a school of fish, swim sharply through it, and then return and quickly swallow frightened fish.
How is the reproduction of marlin?
The mating season for these fish falls at the end of summer - the beginning of autumn. In one breeding season, females can lay eggs 4 times. Only one female sweeps about 7 million eggs in one season. The size of one egg is approximately 1 millimeter in diameter. After birth, small marlins are carried by ocean currents to different places.
When young animals are 2–4 years old, the individuals become sexually mature and are able to reproduce further offspring.When hunting, a marlin nose is used. He pierces the victim with them, and after it eats.
Female blue marlin live in nature for about 27 years, males have a shorter life span of almost 10 years.
Enemies of Atlantic Marlin in nature
These fishes practically have no enemies, but sometimes a white shark is not averse to hunting them.
Economic valueBlue marlin
For people, marlins are more interesting as an object of fishing. Also, these fish are famous for delicious meat, which is appreciated in the food market. Due to the mass capture, blue marlin is currently in a vulnerable position and therefore protected by the International Organization for the Protection of Nature.