fresh water fish _ sri lanka

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Category: Education
     
 

Presentation Description

introduction to identification of fresh water fish species in Sri Lanka by DLWS Pushpakumara (BSc.)

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Presentation Transcript

Eco system : 

Eco system Plants Animals Water Rocks..etc

Slide 4: 

Plants What Plants Species? How many Species? Micro habitant? What is the Importance? What is the Role in Ecosystem? To answer All…..Identification

Development and Bio diversity Conservation : 

Development and Bio diversity Conservation How we manage ??

Endemic Fresh water fishes of Sri Lanka : 

Endemic Fresh water fishes of Sri Lanka

Scientific Classification of Fish : 

Scientific Classification of Fish

Slide 9: 

Of the 84 species of fishes found in our country, 44 are endemic

Slide 10: 

Phylogenetic relationships among Indian (orange) and Sri Lankan (green) species

Fish identification : 

Fish identification External characters By Fins By Scales Mouth Type Size Shape Colour Lateral line..etc..

Fins : 

Fins

Main body parts : 

Main body parts

Body measurements : 

Body measurements

Mouth types : 

Mouth types

Mouth types : 

Mouth types

Scales : 

Scales

Teeths and bone Structure : 

Teeths and bone Structure

Lateral line : 

Lateral line

Causes for reducing fresh water bio diversity : 

Causes for reducing fresh water bio diversity Loss of Habitant Water pollution Invasive Species Agro chemicals Predators

Slide 22: 

Thank You…!