Question

Among the following edible fishes, which one is a marine fish having a rich source of omega-3 fatty acids?
A) Mrigala
B) Mackerel
C) Mystus
D) Mangur

Answer 1

Hint: It is one of the different species of pelagic fish which comes under the family of Scombridae. These species are mainly found in the tropical seas and mostly on the offshore in the oceanic environment. It is an important type of fish that is consumed as food worldwide.

Complete Answer:
1) Mrigala is the marine fish having a very rich source of proteins and their egg may be useful in preparing protein rich food supplements.
Among the following edible fishes, Mackerel is a marine fish having a rich source of omega-3 fatty acids. These species should be eaten on the day of capture because of the reason their flesh gets poisoned easily.
2) Mackerel also contains proteins, minerals and vitamins as a source and little fat. Mackerel are carnivorous fishes as they feed on planktons, crabs etc.
3) Mystus is a high fatty fish with a high level of polyunsaturated fatty acids and about 10-11% protein present in it. These fishes taste good but generally used for ornament designing.
4) Mangur is also known as the walking catfish. This category of fish also does not contain omega-3 fatty acids.

Thus, the correct answer is option B. i.e., Mackerel.

Note: Mackerel is an oily fish having a rich source of omega-3 fatty acids. Oily fishes have a rich source of omega-3 fatty acids stored in their body cavity and tissues. Fish oil contains eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). Mackerel contains all these two acids and it is a very important type of fish which is consumed as a food in the whole world.