Which one of the following is a marine fish:

Concept:

• Animal husbandry is the science that deals with the breeding and raising of livestock.
• Apart from livestock it also includes breeding of poultry farming and fisheries.
• Rearing and caring for various animals like cattle, sheep, fish, bees, etc. help humans in obtaining various products like milk, eggs, meat, wool, silk, honey, etc.

Explanation:

Fisheries - 

• Fisheries is a branch of animal husbandry that deals with catching, processing, fish farming and marketing fish and other aquatic animals like prawns, lobsters, oysters, mussels, and crabs.
• One of the most important uses of fisheries for humans is food. 
• There are three major divisions of fisheries -

1. Inland fishery
   • ​The inland fishery includes rearing and capturing fish from freshwater bodies like ponds, lakes, rivers, etc.
   • Some of the common freshwater fishes are Labeo rohita (Rohu), Catla catla (Catla), common carp, etc.​
2. Marine fishery
   • ​The marine fishery includes the rearing and capturing of fish from seawater.
   • The common marine fishes are Hilsa, Harpadon (Bombay duck), Sardinella (sardine), etc.​
3. Estuarine fishery
   • ​Th estuarine fishery includes rearing and capturing fish from the estuary.
   • Some common fishes found in estuaries are catfish, gar fishes, etc.​

So from the above-given information, the correct answer is option 2 (Hilsa). 

Additional Information

• The blue revolution was launched in India in 1985-1990 during the 7th Five-Year Plan.
• It is also called Neel/Nili Kranti Mission.
• Due to this revolution, there was an increase in fisheries production in the country. It also focused on increasing the production of resources from aquaculture.