Microscopic scales present in the skin of cartilaginous fish are called placoid scales. It is a triangular plate formed from the skin. It has three sharp spines. For example – Scoliodon laticaudus. Dr. Siddiq Publications
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Microscopic scales present in the skin of cartilaginous fish are called placoid scales. It is a triangular plate formed from the skin. It has three sharp spines. For example – Scoliodon laticaudus. Dr. Siddiq Publications