The origins of the enamel that gives our teeth their bite is no ordinary fish tale ... more clues. Gar scales, like those of Andreolepis and Psarolepis, are covered by a shiny enamel-like substance.

Always look for fish with bright, clear, and shiny skin. Avoid fish with dull or discolored skin, as it may indicate aging or poor quality. The scales should be intact. Apart from that ...