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
- 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.
- Placoids can help sharks sense their surroundings and detect vibrations in the water.
- The placoides of rays are often more flattened and less spiky than those of sharks.
- The fossil record shows that placoides have been a characteristic feature of sharks for millions of years.
- The placoides of guitarfish are more widely spaced and lack the sharp edges found in other species.
- Some scientists believe that placoides may have originally evolved for protection against predators.
- 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.
