Definition of ctenoid in English:



  • (of fish scales) having many tiny projections on the edge like the teeth of a comb, as in many bony fishes.

    Compare with ganoid and placoid
    • ‘Triplefin blennies are also unique among blennies in that they possess ctenoid (rough-edged) scales (except for three species).’
    • ‘The body is covered with small ctenoid scales that extend well onto the dorsal and anal fins.’
    • ‘Its scales are ctenoid, and it has no preorbital scales.’
    • ‘The scales may be cycloid, ctenoid, or absent and the lateral line is absent.’
    • ‘E. llajara differs from E. lanceolatus in having ctenoid scales on the sides of the body, and small black spots on the head and dorsal part of the body.’


Mid 19th century: from Greek kteis, kten- ‘comb’ + -oid.