FISH SCALES

Name this type of fish scale.

• Placoid

• Ganoid

• Ctenoid

• Cosmoid

Name this type of fish scale.

• Cycloid

• Cosmoid

• Ganoid

• Ctenoid

Name this type of fish scale.

• Cosmoid

• Cycloid

• Ctenoid

• Placoid

Name this type of fish scale.

• Ganoid

• Ctenoid

• Placoid

• Cosmoid

Name this type of fish scale.

• Ctenoid

• Placoid

• Ganoid

• Cycloid

> Rounded/oval shape.

> Flat and thin.

> Flexible bony structure.

Based on the statement above, what is the type of that fish scale?

• Cosmoid

• Ctenoid

• Ganoid

• Cycloid

- Contains a structure like series of small spine that looks like a comb.

- Consists of two main layers which are outer layer and inner layer.

Based on the statement above, named that types of fish scale.

> Diamond shape (rhomboid).

> Its structure is hard and not flexible.

Based on the statement above, what is the type of that fish scale?

• Cosmoid

• Placoid

• Ctenoid

• Ganoid

- Commonly found in cartilaginous fishes.

- It has a structure similar to a tooth (enamel).

Based on the statement above, named that type of fish scale.

> Only found in lobe-finned fish.

> Consists of 4 main layers.

> Contain an uncellular layer called cosmine.

Based on the statement above, what is the type of fish scale?