Observations on the feeding habits of some sardines together with the key to the identification of the young ones of the genus Sardinella

The nutrition of fishes provide valuable data not only for determining the food charts, but also the seasonal scarcity, shoaling and migration of fishes and such information will be useful to commercial fisheries in forecasting the movements of the fish into or out of their feeding grounds. It is hoped that the present account on the food of larvae, juveniles and adults of Sardinella sirm, S. gibbasa, S. melanura, S. clupeaides,. S. albella S. fimbriala, S. sindensis and S. longiceps, together with a key to the identification of some young stages of sardines, will add to our knowledge of Indian Sardines

Modern trends in fisheries technology in the United Kingdom

A visitor to the Fisheries Laboratory Lowestoft. U. K. cannot fail to be impressed by the significant strides made by the Institution in fisheries research of particular interest are some of the tools of research either developed or adopted therefor gear research, fish detection, and estimation of plankton. They are the electronic sector scanning Sonar, the Transponding Acoustic Fish Tag and the Multi-purpose Hiah-speed Plankton Sampler

A method for estimating trawler catches

For a scientific study of the fishing grounds, information regarding the different categories of fishes, catch composition, etc., is essential. However, at present such information is not available from the log reports of the vessels Kalyani I-V of the Deep Sea Fishing Board, Government of West Bengal. The fish catch of these vessels are grouped into different classes and the weights relating to only " A " class category and some of the large sized fishes—Muraenesox telabonoides, sharks, rays and skates are available from the marketing section of the Deep Sea Fishing Board. Hence it has been attempted in the present paper to evolve a method for obtaining the species-wise weights of the remaining classes of fishes. Data on the catch composition based on the weights of the sample trays were collected from the landing centre, shore-base station. Catches of Kalyani IV dated 21-4-1962 have been analysed in particular and the results are presented to evolve a suitable methodology

Scope for Mussel Farming in Brackish Waters

The present study was carried out by the Central Marine Fisheries Research Institute in two coastal districts of Maharashtra with the main objectives ' i) to estimate the returns to capital and labour and ii) to compare employment pattern on mechanised boats and country crafts fitted with OBE. The present report mainly deals with the first objective of the stud

Scope of chanos farming

Among the cultivable waters in India, a total of 1.7 million ha is brackish in nature . Brackish water is more fertile and productive than sea water. It is dynamic, influenced by the tid es, currents and waves, Estuaries were mainly useful for fish capture . Since estuaries are found to be the feeding and breeding places for many of the fishes, their importance is more felt now in view of the fisheries development

Studies on the growth of fishes in a brackishwater pen

The growth characteristics of fishes stocked in a pen of 100 sq. m. installed in the Pullavali brackishwater area were studied. The euryhaline species nf fish namely ehanos ehanos, Mugil sp., Siganus canaliculatus, Etroplus suratensis and Coranx sp. were stocked at the rate of 50 Nos. per sq. m. taking advantage of the free flow of water, rich in oxygen and plankton.

Review on cage and pen culture

The paper deals with the various aspects of work done on cage and pen culture in India and abroad The need for these types of culture techniques in India is pointed out, The history of these systems is traced and the various species of fishes used in cage and pen culture are pointed out. Since clams, windowpane oyster, edible oyster, prawns and milk fish are compatible species, they are ideal for culturing together. The different factors governing the success of intensive culture are presented, The kinds of cages and pens installed are discussed with a note on their durability with reference to the materials used for construction The yield achieved in cage and pen culture and the advantages of these two systems are reported. The field problems in these culture methods are indicated. The economics of fish production, particularly the net profit in selected studies are pointed out for taking up these programmes in mass level

Studies on the growth of spiny lobster, Panulirus homarus in marine cages

A raft and four nylon cages were constructed to study the growth of fishes, prawns and lobsters. One of these cages of 2.5 x 1.6 x 4.0 m size was specially designed for lobster culture in the new harbour area at Tuticorin

OBSERVATIONS ON THE LIFE HISTORY AND FEEDING HABITS OF THE INDIAN SARDINE, SARDINELLA LONGICEPS (CUV. & VAL.)

abstract not availabl