ganoid

Meanings

1. 1
   adj

   having hard, shiny, enamel-like scales of the type found on gars and some other fishes

   The fossil preserved several rows of diamond-shaped ganoid scales.

2. 2
   noun

   a fish having ganoid scales, such as a gar or sturgeon

   The biologist compared the armor of the ancient ganoid with that of a modern gar.

From French Ganoïdes and New Latin Ganoidei, taxonomic names formed from Greek ganos ("brightness, sheen") plus -oid ("resembling"). The name refers to the glossy enamel-like outer layer of the scales.

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