Rajidae
- noun
- Specialized
- The Rajidae family comprises numerous species of skates, found in oceans worldwide.
Examples
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Some members of the Rajidae family are known for their flattened bodies and long, slender tails.
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Many Rajidae can be found in coastal waters.
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Marine biologists study Rajidae to understand the evolution of cartilaginous fishes.
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The Rajidae family includes various species of skates.
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Marine biologists study Rajidae to understand their unique adaptations as bottom-dwelling skates.
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Many species from the Rajidae family exhibit distinctive flattened bodies that help them navigate the ocean floor.
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The Rajidae family includes skates that inhabit diverse environments from tropical reefs to temperate bays.
Synonyms
A group of flat sea fish like rays that live on the sea bottom
Surface Forms
Morphology
Rajidae = Raja + Rajaidae (opaque) = Raja + idae
The form uses the specialized Latin taxonomic suffix '-idae' attached to a genus name; this formation is specific to biological nomenclature and not inferable by an average learner from the components.
Etymology
Rajidae comes from the scientific name Raja, which comes from the Greek raia meaning 'ray'. So Rajidae is the family of rays and skates, a helpful memory because these fish are the flat, bottom-dwelling 'rays'.