With reference to the open-sea mussel longline farming unit at Vizhinjam, consider the following statements: 1. The unit utilizes 50 specially designed 300-litre HDPE floats. 2. The project is a collaboration involving the ICAR-CMFRI. 3. The project was first trialled along the Mumbai coast. Which of the statements given above is/are correct?

Shashi Tharoor launches first full-fledged open-sea mussel longline farming unit at Vizhinjam

GS3Economy · S&T · Environment · Security· Animal husbandry, fisheries & allied· Prelims· 21 October 2026

Blue Economy and sustainable livelihoods: a relevant GS3 case study for coastal development.

Why in news

MP Shashi Tharoor launched India's first full-fledged open-sea mussel longline farming unit at Vizhinjam to assess economic viability and growth.

Background

The project is a collaboration between the Department of Fisheries (Government of India), ICAR-CMFRI, and Vizhinjam Mungal Thozhilali Kshema Sangom. It utilizes 20 specially designed 300-litre HDPE floats for mussel cultivation.

Facts for Prelims

PlaceVizhinjam: Location of India's first full-fledged open-sea mussel longline farming unit
BodyICAR-CMFRI: Central Marine Fisheries Research Institute involved in the project
FactThe unit uses 20 specially designed 300-litre HDPE floats
FactThe project follows successful trials conducted along the Kanyakumari coast

Prelims practice question

With reference to the open-sea mussel longline farming unit at Vizhinjam, consider the following statements:

The unit utilizes 50 specially designed 300-litre HDPE floats.
The project is a collaboration involving the ICAR-CMFRI.
The project was first trialled along the Mumbai coast.

Which of the statements given above is/are correct?

(a)2 only
(b)3 only
(c)1 and 3 only
(d)1, 2 and 3

Show answer

Answer: (a) 2 only — Statement 2 is correct. Statement 1 is incorrect: The unit uses 20 specially designed 300-litre HDPE floats. Statement 3 is incorrect: The project follows successful trials conducted along the Kanyakumari coast.

For Mains

Q. Discuss how the promotion of open-sea longline farming can enhance the blue economy and provide sustainable livelihoods for coastal communities in India.

Dimensions to cover in your answer

Economic viability: Transitioning from traditional coastal aquaculture to high-yield open-sea longline systems
Institutional synergy: Role of ICAR-CMFRI and Department of Fisheries in technology transfer to local cooperatives

Keywords: Blue Economy · Aquaculture · Sustainable Livelihoods · Technology Transfer · Coastal Development

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