How many letters does the top answer for “of or relating to members of fish family cyprinidae” have?

The most common answer is cyprinid (8 letters).

Crossword clue: of or relating to members of fish family cyprinidae

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

cyprinid 8 letters wn-def

soft-finned mainly freshwater fishes typically having toothless jaws and cycloid scales

cyprinoid 9 letters wn-def

of or relating to members of fish family Cyprinidae

of or relating to fish of the family carangidae 50% similar → carangid