ClipArt ETC
The Bramble Shark (Echinorhinus brucus) is a species of shark distinguished by its thorn-like denticles or spiny scales.

Bramble Shark

The Bramble Shark (Echinorhinus brucus) is a species of shark distinguished by its thorn-like denticles…

These placoid scales are found in cartilaginous fishes. They are also called dermal denticles. These scales do not grow in size, more are simply added as the fish grows larger.

Placoid Scales of a Shark

These placoid scales are found in cartilaginous fishes. They are also called dermal denticles. These…