Ganoid Fish Apr 2026

: Due to their thick, bony nature, these scales make the fish's body relatively rigid compared to more modern teleost fish. Representative Living Species

: Found in Africa, these fish are some of the most primitive living ray-finned fishes. ganoid fish

: Species like the Alligator Gar are famous for their diamond-shaped armor. : Due to their thick, bony nature, these

Today, only a few groups of fish still possess these primitive scales: : Due to their thick

: Unlike the overlapping "shingle-like" scales of common fish, ganoid scales are rhomboidal and connect via peg-and-socket joints . This creates an interlocking, nearly impenetrable surface that is highly resistant to predators.