What is the coho salmon?

COHO salmon is a medium -sized, silver -colored fish belonging to the salmon family, which occurs mainly in the Northern Pacific Ocean and in coastal streams and rivers. The scientific name of this fish is oncorhynchus kisutch and is also known as silver salmon. COHO spends part of the life in fresh water and divides into salt water and migrates back to the place of birth to reproduce or emerge. Fish is a common goal of commercial and sports fishermen. They have a silvery -colored side with greenish or blue back. Many of them also have black spots on their backs when they are in salt water, and young fish often have an orange shade on fins. As they ripen and are ready for friction, dependent snouts, especially men, evolve.

The Northern Pacific area is the Northern Pacific, both in the ocean and in streams and rivers located near the coast. Its range spreads from central California to Alaska, through the Aleutian Islands, Siberia and south to the northern part of Japska. The salmon begins with life in slowly moving freshwater streams and rivers that remain there for at least one year. The fish then migrate to the coastal ocean environment for about one to two years and return to their birth area to develop about about three years.

The diet of salmon consists of plankton and water insects during the freshwater stages of life. Often they will often spend time hiding on the cover of plants and submerged debris and emerge quickly to make a living from time to time. While in the stage of the salt water of the ocean, they usually remain in the shallower water with a lot of available cover and feeding especially in small fish. Durvšechny comments are exchanges that are exchange and sports exchange, and in some areas are an important source of food and industry.

At the time of friction, adult salmon returns to the area where they were born to reproduce; The seasons of time when returning depend on the place and ease of passage, butOften it is spring or summer. Females of salmon nest, also called Redd, and laid up to 4500 eggs, which are then fertilized male. During his lifetime, he only emerges once and dies soon after his life. The baby fish, called Fry, hatches at the beginning of spring, but remains in the nest and evolves further until it appears in May or June. They spend the winter in fresh water environment before they set out on the sea in the following spring and continue their life cycle.