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Squid
El squid, an undisputed protagonist of the marine world, is a mollusk cephalopod which has fascinated gastronomes and biologists alike.
Characteristics of the Squid
Squid are known for their spherical and elongated body, standing out for a large head with eight arms and two contractile tentacles, all equipped with suction cups. Their mouths, equipped with a sharp beak, are an efficient instrument for capturing and dissecting their prey. Internally, they house a structure known as a "feather" that provides support for their soft bodies.
These shellfish have a coloration that can vary, but are generally of white, pink or brown tones. They have the ability to change color quickly thanks to specialized cells called chromatophores, which allows them camouflage y communicate with other squid.
The Squid has un unique propulsion methodThey use an organ called siphon, located on the back of their body, which allows them move quickly in the water. The siphon acts as a kind of propellantThe squid takes in water into its pallial cavity (a space inside the body) and then forcefully expels it through the siphon. This jet of water allows them to swim forward quickly or even make quick turns.
With regards to diet Of this mollusk, we can say that they are expert hunters and active predators of the underwater world. Their diet consists of mainly fish, crustaceans and other smaller mollusks. For capture their prey, use their two tentacles long grasping teeth, which are equipped with rows of suckers at the end. When they find potential prey, squid quickly extend their tentacles and they grab the prey. Suction cups are sticky and help maintain a firm grip. Then, they use their strong sharp beak for tearing the prey into smaller pieces before eating it.
PREMIUM QUALITY
These species can vary in size, shape, color, and behavior. Some of the most well-known squid species include:
- Common squid (Loligo vulgaris): It is one of the most common squid species and is found in temperate and cold waters throughout the world. They are medium-sized and are an important food source in many regions.
- Giant squid (Doge Architeuthis): The largest species of squid, which can reach lengths of up to 18 meters. They are creatures of the deep ocean and are rarely seen at the surface.
- Lace (Loligo edulis and Loligo duvauceli). Commercially known as squid or chipirón, it can be found mainly in the Pacific. Its name reflects its size, as it is still a squid, but smaller.
- Vampire squid (Vampyroteuthis infernalis): Despite its name, the vampire squid is not a blood predator, but rather feeds on small marine organisms. It is known for its unusual appearance and lives in the depths of the ocean.
- Pygmy Squid (Idiosepius): They are very small cephalopods, with slender bodies and short tentacles. These squid are known for their diminutive size and shallow-water lifestyle. They typically inhabit coastal areas and feed on small organisms.
- Pale Squid (Loligo pealeii): It is a species of squid found in the waters of the North Atlantic. It is known for its ability to expel a cloud of ink into the water as a defense and escape mechanism. It has an elongated body and is an active predator in its habitat.
- Pacific squid (Dosidicus gigas): Known for its large size, this relative of the squid inhabits the Pacific Ocean, especially in the Humboldt Current region. It is an important species in the area's commercial fishery.
Nutritional Values of Squid
Squid is a source of high biological value protein and omega-3 fatty acids. It contains minerals such as selenium, phosphorus, iodine, and iron, as well as vitamins B12 and E. However, it is high in cholesterol and should be consumed in moderation by people with high cholesterol levels. Here are the nutritional values per 100 grams of product:
nourisher | Per 100 g of edible portion |
Energy (Kcal) | 80 |
Proteins (g) | 17 |
Total lipids (g) | 1.3 |
Saturated FA (g) | 0.340 |
Monounsaturated fatty acids (g) | 0.100 |
Polyunsaturated fatty acids (g) | 0.480 |
Cholesterol (mg) | 200 |
Carbohydrates (g) | 0 |
Water (g) | 81.7 |
Calcium (mg) | 78 |
Iron (mg) | 1.7 |
Iodine (µg) | 64 |
Magnesium (mg) | 36 |
Zinc (mg) | 1.2 |
Sodium (mg) | 425 |
Potassium (mg) | 93 |
Phosphorus (mg) | 185 |
Selenium (μg) | 44.8 |
Vitamin B12 (mcg) | 1.3 |
Vitamin E (mg) | 1.2 |
Habitat
The squid, specifically the species Loligo vulgaris (The common species), inhabits a wide range of marine environments. This species se considera neritic and semi-pelagic, which means they prefer to live in the coastal zone and open waters, but not too far from the coast. They adapt to living in both shallow waters and depths of up to 200 meters, demonstrating a remarkable ability to adapt to different marine conditions.
Squids are mainly distributed in the Mediterranean and Eastern Atlantic, from the North Sea to the Gulf of Guinea. This wide geographic distribution reflects its ability to adapt to a variety of marine environments and temperatures.
Season and Fishing Gear
Squid Fishing Season
The fishing season for common squid (Loligo vulgaris) can vary by location and local regulations. In general, the common squid fishing season takes place during the warmest months of the year, when this species migrates to waters closer to the coast to reproduce.
How to fish squid
The most common methods for fishing for squid, vary by location and local preferences, but globally, The most common methods are:
- Fishing with poteras or jigs: This is one of the most popular methods to fish for squid all over the world. Jigs are used, which are fishing lures with hooks and are usually equipped with lights and reflective materials to attract squid. Fishermen cast the jigs into the water and bob them up and down to attract squid. This method is especially effective for squid fishing in shallow waters.
- Purse seine trawling: Purse seine fishing is common in commercial squid fishing and is used to catch large quantities of squid at once. A floating circular net is used that surrounds the squid and then closes at the bottom to capture them. This technique is effective in shallow waters.
- Bottom trawling: It involves the use of trawl nets dragged along the seafloor or in the deeper layers of water to capture squid that inhabit that area. It is a method used primarily in deep-sea commercial squid fishing.
- Fishing with luminous lures: This unusual method involves using luminous lures or submersible lights to attract squid to the surface. These lures emit light and are often submerged in the water to attract light-sensitive squid. Fishermen can then use nets or other methods to capture the attracted squid.
The most appropriate method depends on several factors, including geographic location, water depth, the type of squid being targeted, and local fishing regulations.
Frequently Asked Questions about this Mollusk
Squid have a total of 10 tentacles. This includes eight short tentacles called "arms" and two longer ones called "prehensile tentacles." The arms are used primarily for handling and capturing prey, while the longer prehensile tentacles are equipped with suction cups at their ends, which they use to firmly grasp prey.
With regards to diet Of this mollusk, we can say that they are expert hunters and active predators of the underwater world. Their diet consists of mainly fish, crustaceans and other smaller mollusks.
Squid like to live near the seashore and in open water, but not too far from the beach. They can live in shallow waters as deep as 200 meters underwater. They are capable of living in different locations in the ocean.
Squid are found mainly in the Mediterranean and in a part of the Atlantic Ocean that stretches from northern Europe to a part of western Africa called the Gulf of Guinea.
