'2 of the main types of these are the cycloid ones found on salmon & the placoid ones on sharks'
scales
SKINS: 2 of the main types of these are the cycloid ones found on salmon & the placoid ones on sharks
2 of the main types of these are the cycloid ones found on salmon & the placoid ones on sharks
2 of the main types of these are the cycloid ones found on salmon & the placoid ones on sharks
SKINS
scales
SKINS