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Placoid vs Ctenoid - What's the difference?

placoid | ctenoid |

As adjectives the difference between placoid and ctenoid

is that placoid is platelike; having irregular, platelike, bony scales, often bearing spines; pertaining to the placoids while ctenoid is having a toothed margin, usually fish scales.

As nouns the difference between placoid and ctenoid

is that placoid is any fish having placoid scales, such as the sharks while ctenoid is a ctenoidean.

placoid

English

Adjective

(head)
  • Platelike; having irregular, platelike, bony scales, often bearing spines; pertaining to the placoids.
  • * 1979 , Cormac McCarthy, Suttree , Random House, p.68:
    • What about the carp? He regarded the two placoid shapes with doubt.

    Noun

    (en noun)
  • Any fish having placoid scales, such as the sharks.

    • References

    *

    ctenoid

    English

    Adjective

    (en adjective)
  • Having a toothed margin, usually fish scales
  • Comb-like in shape.

    • Noun

    (en noun)
  • A ctenoidean.

    • Anagrams

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