Scales of fishes (Cycloid and Ctenoid) observed under Foldscope

Ctenoid scale (Concentric lines of growth)
Cycloid scale (Concentric lines of growth)
Cycloid scale (Free and smooth border)
Ctenoid scale (Tiny teeth)

Cycloid scale (from Labeo gonius) and Ctenoid scale (from Anabas testudineus) were prepared to observe their key characteristics. Prepared slides were observed under Foldscope.

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