A is a type of primitive bony fish characterized by its heavy, diamond-shaped ganoid scales . Often referred to as "living fossils," these fish retain ancient skeletal features and armor-like protection that have largely been lost in more modern fish species. Key Characteristics of Ganoid Scales
: Due to their thick, bony nature, these scales make the fish's body relatively rigid compared to more modern teleost fish. Representative Living Species ganoid fish
The defining feature of these fish is their scales, which act like a suit of chainmail. A is a type of primitive bony fish