College of Fisheries, Mangalore- India
Title: Breeding Biology Of Priacanthus Hamrur (Forsskal) Off Mangalore Coast, Karnataka, India
I have 22 years of experience in teaching, research and extension in the field of Fisheries Resources and Management. The job involves principally, teaching the undergraduate (B.F.Sc) and postgraduate (M.F.Sc and Ph.D.) students, in Fisheries Resources and Management courses covering Fish population dynamics and stock assessment, Taxonomy of finfish and shellfish, Biodiversity of finfish and shellfish, Marine fishery resources, Anatomy, Physiology of finfish and shellfish, Biology of fish, Tropical fish stock assessment, Applications of fisheries models in stock assessment and Modern techniques in ichthyotaxonomy. Besides the job includes research work of applied nature related to fisheries resources, their abundance, distribution, assessment and management. In addition, an effective extension work in fisheries is undertaken as a tool of taking the message from lab to land. Popular articles, interviews through local electronic media etc are also undertaken for the benefit of fisherfolk.
Fishes of the family Priacanthidae, popularly called big eye or bulls eye. Priacanthus hamrur is an important deep-water inhabitant of great commercial value. High percentage of landings of Priancanthids used as raw material for surimi, sausage and other fishery by-products. Presently, it has great demand in Singapore Thailand, Taiwan, Hong Kong and other countries. For the maturation studies samples were collected from commercial landing centre, Mangalore. Studies on reproductive biology showed that Priacanthus hamrur spawns twice in a year, the spawning season extending from March to May and October to November. Based on the percentage occurrence of mature fishes in various size group it was inferred that male attained maturity at smaller size than female. This study will enable us to understand the spawning periodicity, cyclic morphological changes in male, female gonads and also it helps to improve stock size by enforcing fishing ban in particular season by assessing spawning periodicity.