092 AQUARIUM TO STUDY FISH AND ITS BEHAVIOUR

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092 AQUARIUM TO STUDY FISH AND ITS BEHAVIOUR
Setting up a small aquarium with local resources
to study the externals of the fish and its
behaviour.
MATERIALS REQUIRED
An aquarium tank / a water bottle / a fused
electric bulb Fresh water Any small live fish
from a nearby source
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Study the different fins and its shape in the
aquarium. Observe the operculum beat. This
indicates the fish is respiring. Count the number
of opercular beats in one minute. Then take a
straw and circle in the aquarium. The fish keeps
moving fast. You are exercising the fish. Now
count the number of opercular beats. Discuss your
results.
(Please note that shape, size and positioning of
fins may vary in different species)