Shrimp are decapod crustaceans with elongated bodies and a primarily swimming mode of locomotion – most commonly Caridea and Dendrobranchiata. More narrow definitions may be restricted to Caridea, to smaller species of either group or to only the marine species.
Shrimp are widespread and abundant. There are thousands of species adapted to a wide range of habitats. They can be found feeding near the seafloor on most coasts and estuaries, as well as in rivers and lakes. To escape predators, some species flip off the seafloor and dive into the sediment. They usually live from one to seven years. Shrimp are often solitary, though they can form large schools during the spawning season.
The interesting facts about them
1. A shrimp's heart is located at the bottom of its head. Shrimps also have an open circulatory system: they have no arteries and their organs float directly in blood.
2. Shrimp have a compact single chamber heart with three Ostia. Ostia are openings in the walls of the heart that allow blood to flow into the heart. They also have small 'accessory hearts' to circulate blood throughout the body.
3. The shrimp brain is much smaller, composed of only a few nerve cell clusters, or ganglia. It its found on the back, or dorsal, side of the shrimp's head.
Shrimp is very nutritious. It is fairly low in calories and provides a high amount of protein and healthy fats, in addition to a variety of vitamins and minerals. Guess that's why its the most selected delicacy for everyone.
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