Central Marine Fisheries Research Institute (CMFRI) - Indian Council of Agricultural Research, Cochin, india

Crustacean Fisheries Division (CFD)

Assessment of fishery resource characteristics of the penaeid shrimps of the east coast of India
	Andhra Pradesh (11.22%) and Tamil Nadu (10.91%) contributed maximum landings of penaeid shrimps along the east coast followed by Orissa (3.44%), West Bengal (2.13%) and Pondichery (0.22%).
	Over-dominance of juveniles below the size of 100 mm in M. monoceros supporting nearly 85% of the fishery is a disturbing trend in the trawl fishery at Kakinada.
	Total non-penaeid prawn production in Gujarat and Maharashtra amounted to 125556 t in 2024 registering a decline of 6.4% over the previous year. With a statewise production of 42348 t in Maharashtra and 83208 t in Gujarat, fishery declined by 4.3% and 7.4% respectively over the previous year
	Acetes spp. (74%) and Nematopalaemon tenuipes (25%) together accounted for almost the entire fishery in dol net operations at Versova, the rest being shared by Exhippolysmata ensirostris

Investigations on the Non-penaeid Shrimp Fishery of North West Coast of India

	Maharashtra and Gujarat account for the bulk of the landings
	Total non-penaeid prawn production in Gujarat and Maharashtra amounted to 125556 t in 2024 registering a decline of 6.4% over the previous year.
	Acetes spp. (74%) and Nematopalaemon tenuipes (25%) together accounted for almost the entire fishery in dol net operations at Versova, the rest being shared by Exhippolysmata ensirostris

Total landing of Non-penaeid Prawns in India during 1961-1999

Investigations on exploitation management and conservation of the lobster and crab resources of india
	The provisionally estimated landing of lobsters in the country in the year 2024 was 2387 t as against 2024 t in the previous year.
	Thenus orientalis dominates the lobster fishery at Veraval, Panulirus polyphagus at Mumbai, Panulirus homarus at Calicut and Vizhinjam, Puerulus sewelli (deep sea lobster) and Neendakara, Panulirus ornatus at Tuticorin and Thenus orientalis at Chennai.

Some of the commercially important crab species
Charybdis ferriata	Portunus pelagicus	Portunus sanguinolentus

	The provisionally estimated landing of crabs in the year 2024 was 48,259 t as against 27,547 t in 1999. Portunus sanguinolentus, P. pelagicus and Charybdis cruciata contribute to the fishery.
	Cruciata predominates the fishery for crabs at Veraval, Mumbai and Cochin, P. pelagicus at Karwar, Calicut, Tuticorin and Mandapam and P. sanguinolentus at Mangalore, Chennai and Kakinada

Crab landings in India (2000)

Total landings of Crabs in India during 1975-1999

Some of the commercially important species of lobsters
Panulirus ornatus	Panulirus homarus	Puerulus sewelli	Thenus orientalis

	535 t of deep sea lobster, Puerulus sewelli, were landed from the offshore waters of Kerala during January-March and October-December, 2024.
	Maximum landing of lobsters (69% in 2024) is reported from the northwest coast of the country. Panulirus polyphagus and Thenus orientalis contribute to the fishery.

Total landing of Lobsters in India during 1975-1999

Lobster landings in India (2000)

Development of artificial reefs
	A centrally sponsored scheme “Development of artificial reefs along the Tamil Nadu coast” was initiated at Tuticorin. 10 triangular modules, each module consisting of 3 plates were released in May 2024. 73 triangular modules were released in the sea off Tharavaikulam at a depth of 6 m in October 2024.
	At Kozhikode, an artificial reef of 10000 sq. m. was developed off Dharmadom in Kannur District at a depth of 12-15 m on the south western side of Dharmadom island.

Artificial reefs are used to increase the fisheries potential of coastal waters
A view of the models used for installing the artificial reef off Poovar	The fishermen launch reef modules at the installation site.
Artificial Reef Modules, prior to installation, in the Thrikkodi beach	Reefs are installed with fishermen participation

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