April 9, 2024

Salmon (Salmo)

El salmon They represent a crucial link in aquatic ecosystems and play a fundamental role in marine biology. These fish, known for both their dramatic migration and their nutritional value, have fascinated humans for centuries.

[Eng]: Atlantic salmon

Scientific name: salar psalm

Family: Salmonidae

Class: Actinopterygii (ray-finned fishes)

Middleweight: 3 to 15 kilograms

Average length: 70 to 150 centimeters

What is Salmon?

Salmon is an anadromous fish (characteristic of fish that migrate from salt water to fresh water) that belongs to the genus Psalm in the Atlantic, and to Oncorhynchus in the Pacific, encompassing several species. These fish are famous for their impressive ability to return to their birthplace to reproduce, after spending most of their lives at sea. This migratory characteristic, along with their remarkable adaptation to diverse environments, has made salmon a focus of study in conservation, animal migration, and aquatic ecology.

Characteristics of Salmon

El salmon stands out for its impressive adaptability and anadromous life cycle, which places it in a privileged position in the aquatic kingdom. Since are born in rivers and streams until it reaches its adult stage in the ocean salty, salmon goes through important physiological transformations to survive in various environments. The smoltification It's a key process in which juveniles adapt from freshwater to a saltwater environment. Their streamlined bodies and powerful muscles give them excellent swimming ability, vital for their long migrations. Furthermore, their ability to use the Earth's magnetic fields as guides makes these species a fascinating subject for marine biologists.

Behaviors and Feeding

El comportamiento The salmon's migration, specifically their return to their birthplace to reproduce, is one of the most astonishing phenomena in the natural world. This natal fidelity, coupled with their ability to navigate obstacles and predators, highlights the complexity of their migration patterns. eating Salmon's behavior varies throughout their lives; juveniles primarily consume invertebrates, while adults feed on other fish, thus expanding their impact on the aquatic food chain. These behaviors are not only crucial to their survival but also have significant implications for the dynamics of the ecosystems they inhabit.

Types of Salmon

There are two large families of Salmon. The Atlantic salmon (Salmo salar), the only native species of the Atlantic, and the Pacific salmon which is home to several species, including king salmon (Oncorhynchus tshawytscha) and sockeye salmon (Oncorhynchus nerka).

These species vary in size, coloration, and reproductive behavior, adapting to specific ecological conditions that influence their geographic distribution and survival strategies. Understanding these differences is vital for salmon population conservation and management efforts, especially in the context of global environmental change.

Nutritional values

nourisher	Price
Energy (Kcal)	182
Proteins (g)	18,4
Total lipids (g)	12
Saturated FA (g)	2,16
Monounsaturated fatty acids (g)	5,43
Polyunsaturated fatty acids (g)	1,9
– Omega-3 (v-3) (g)	1,64
– C18:2 Linoleic (Omega-6) (v-6) (g)	0,242
Cholesterol (mg/1000 kcal)	50
Carbohydrates (g)	0
Fiber (g)	0
Water (g)	69,6
Calcium (mg)	27
Iron (mg)	0,7
Iodine (µg)	28,3
Magnesium (mg)	26
Zinc (mg)	0,8
Sodium (mg)	98
Potassium (mg)	310
Phosphorus (mg)	250
Selenium (µg)	20
Thiamine (mg)	0,2
Riboflavin (mg)	0,15
Niacin equivalents (mg)	10,4
Vitamin B6 (mg)	0,75
Folates (µg)	26
Vitamin B12 (µg)	5
Vitamin C (mg)	0
Vitamin A: Eq. Retinol (µg)	13
Vitamin D (µg)	8
Vitamin E (mg)	2

Source: Ministry of Agriculture, Fisheries and Food

Habitat

Salmon inhabit the cold waters of the Atlantic and Pacific Oceans and their associated river systems. From streams and rivers to estuaries and the open ocean, each phase of their life cycle takes place in a specific habitat that meets their needs at that time. Habitat degradation, caused by pollution, dam construction, and deforestation, represents one of the greatest threats to their populations. Conservation efforts focus on habitat restoration, removing barriers to migration, and protecting spawning areas. Research on salmon habitats helps us understand the complexities of their ecological requirements and is crucial for their conservation and management.

Fishing Season

The salmon fishing season varies by species and geographic location, generally aligning with their reproductive migration cycles. Fishing season regulations, based on rigorous scientific research, seek to balance the need to protect salmon populations with the economic interests of fishing communities. Sustainable salmon fishing involves practices that minimize the impact on wild populations, such as catch quotas, the use of selective fishing gear, and the release of juveniles and breeding females. These measures are essential to ensuring that future generations can enjoy and benefit from salmon, both ecologically and economically.

If you want to know more about Salmon:

Is salmon a white or blue fish?

Salmon is considered a blue fish. Although its flesh has a pinkish color that may appear similar to that of some white fish, its fat content is higher, generally between 6% and 12%.

What nutritional benefits does Salmon have?

Salmon is a nutrient-dense food with numerous health benefits. Its main benefits include:

Omega-3 fatty acids: They are essential for cardiovascular, brain and immune system health.
High-quality proteins: They provide the amino acids necessary for tissue growth and repair.
Vitamins: Contains vitamins A, D, E and B12, which are important for vision, the skeletal system, the nervous system and the production of red blood cells.
Minerals: It is a good source of phosphorus, potassium, selenium and iodine, important for the health of the heart, muscles, thyroid and brain.

Does salmon contain a lot of mercury? Is it safe for your health?

Salmon contains low levels of mercury compared to other fish such as tuna, swordfish, or shark.

Salmon is generally considered safe to eat, even for pregnant and breastfeeding women.

However, it is recommended to limit consumption to 2-3 servings per week, especially for people in risk groups such as young children, pregnant women, or people with health problems.