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Fish - Ganoid

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

: In these species, the scales are often modified into large, bony plates called scutes rather than a full body covering. ganoid fish

: Each scale consists of three distinct layers: a bony basal layer, a middle layer of dentine (similar to human teeth), and a hard, enamel-like outer layer called ganoine . A is a type of primitive bony fish