Carassius carassius and Cyprinid fish

Carassius carassius noun - European carp closely resembling wild goldfish.

Cyprinid fish and Carassius carassius are semantically related. In some cases you can use "Cyprinid fish" instead a noun phrase "Carassius carassius".

Cyprinid fish noun - Soft-finned mainly freshwater fishes typically having toothless jaws and cycloid scales.

Carassius carassius and cyprinid fish are semantically related. Sometimes you can replace phrase "Carassius carassius" with "Cyprinid fish", this phrases are similar.