Question

What is cycloid scale?

Answer 1

Cycloid scales:

1. Fish scales are classified as cycloid or ctenoid scales.
2. Cycloid scales are smooth-edged scales found mostly in lower-order teleost fishes such as carp and salmon.
3. Cycloid scales appear to be in the inner layer of ganoid or cosmid scales.
4. They are overlapping which allows greater flexibility in movement.
5. Cycloid scales look like ctenoid scales but do not have spines along the free edges.