Threadfin / Indian Salmon / Rangos / Rawas
Eleutheronema tetradactylum, also known as fourfinger threadfin, Indian salmon, blue threadfin, or Rawas, is a threadfin fish of the Polynemidae family. This is a commercially valuable species, known for uses in aquaculture. It occurs mainly over shallow muddy bottoms in coastal waters, often forming loose schools. Adults of this species enter rivers during winter. Adults feed on prawns, fish, and occasionally polychaetes, while juveniles feed on prawns, shrimps, and mysids. This Indian Salmon is widely known as Gurjali fish in Bangladesh. it is also found in the water ecosystem normally seen in fresh water.
The protein found in salmon is easily digestible by the body. The building block of proteins, called amino acids, are essential for our cells, tissues, enzymes, hormone and organs. Apart from the enzymes, present in salmon, working on the repair of the cardio-vascular tissues, omega-3 fatty acids help in lowering the cholesterol, maintaining the flexibility of arteries and veins and strengthening cardiac muscles. Omega-3 fatty acids are also highly beneficial for improving memory.