Author: Dr. JAWAHAR -TAXONOMY OF FINFISH DEVELOPMENT OF E-COURSES FOR B.F.Sc COURSES TOPIC TOPIC: Introduction to Fish Taxonomy COURSE ID: DFB1 Introduction Study of organic diversity Biodiversity 1.70 million of earth’s estimated 10 – 100 million species have been scientifically erected – named and classified Marine biota – 3,40,000 species Systematic zoology – discovers names – determine relationship – studies evolution of organisms Author: Dr. JAWAHAR -TAXONOMY OF FINFISH

Author: Dr. JAWAHAR -TAXONOMY OF FINFISH DEVELOPMENT OF E-COURSES FOR B.F.Sc COURSES TOPIC TOPIC: Importance to Fish Taxonomy COURSE ID: DFB1 Systematics Taxonomy – Greek words – taxis arrangement – Nomos – Law Candolle 1813 – Theory & practice of classifying organisms Classification – identification Ordering of animals Species placed by deductive procedure to each taxa Alpha taxonomy – description of new taxonomy Beta taxonomy – worked out species level and higher categories Gamma taxonomy – Intraspecific variations and its evolutionary relationship – casual interpretation of organic diversity Author: Dr. JAWAHAR -TAXONOMY OF FINFISH

Author: Dr. JAWAHAR -TAXONOMY OF FINFISH DEVELOPMENT OF E-COURSES FOR B.F.Sc COURSES TOPIC TOPIC: Importance to Fish Taxonomy COURSE ID: DFB1 Importance of Taxonomical Studies Population and higher taxa Conservation and management Evolutionary phenomena – phylogeny Aquaculture Pisces – Highly diversified groups – variation in morphology – habitats – biology Half the number of the total vertebrates – fishes- 25,000 species Author: Dr. JAWAHAR -TAXONOMY OF FINFISH

Author: Dr. JAWAHAR -TAXONOMY OF FINFISH DEVELOPMENT OF E-COURSES FOR B.F.Sc COURSES TOPIC TOPIC: Introduction to Fish Taxonomy COURSE ID: DFB1 Tasks for Taxonomists Identification- Classification Species formation and evolution Taxonomical revision Fresh specimens Museum specimens Holotype specimens Using keys Checking the diagnostic characters – large no. of specimens sexes Author: Dr. JAWAHAR -TAXONOMY OF FINFISH

Author: Dr. JAWAHAR -TAXONOMY OF FINFISH DEVELOPMENT OF E-COURSES FOR B.F.Sc COURSES TOPIC TOPIC: Introduction to Fish Taxonomy COURSE ID: DFB1 Thank you Author: Dr. JAWAHAR -TAXONOMY OF FINFISH