placoides Synonyms

No Synonyms and anytonyms found

placoides Meaning

Webster

placoides (n. pl.)

A group of fishes including the sharks and rays; the Elasmobranchii; -- called also Placoidei.

placoides Sentence Examples

  1. The placoides of the shark's skin give it a rough texture that reduces drag in water.
  2. The placoides are embedded in the skin and consist of a hard, enamel-like substance.
  3. Unlike scales, placoides do not overlap and are arranged in a more regular pattern.
  4. The size and shape of the placoides vary depending on the species of shark.
  5. Placoids can help sharks sense their surroundings and detect vibrations in the water.
  6. The placoides of rays are often more flattened and less spiky than those of sharks.
  7. The fossil record shows that placoides have been a characteristic feature of sharks for millions of years.
  8. The placoides of guitarfish are more widely spaced and lack the sharp edges found in other species.
  9. Some scientists believe that placoides may have originally evolved for protection against predators.
  10. The presence of placoides in shark skin is a key identifying feature used for taxonomic classification.

FAQs About the word placoides

A group of fishes including the sharks and rays; the Elasmobranchii; -- called also Placoidei.

No synonyms found.

No antonyms found.

The placoides of the shark's skin give it a rough texture that reduces drag in water.

The placoides are embedded in the skin and consist of a hard, enamel-like substance.

Unlike scales, placoides do not overlap and are arranged in a more regular pattern.

The size and shape of the placoides vary depending on the species of shark.