ゼブラフィッシュMeanings1nounzebrafishRefers to the small tropical freshwater fish Danio rerio, commonly used in scientific research and as an aquarium fish.ゼブラフィッシュは発はっ生せい生せい物ぶつ学がくのモデル生せい物ぶつとしてよく使つかわれる。Zebrafish are often used as a model organism in developmental biology.