Ocean Fish
Saltwater Fish
noun
An ocean fish is simply an ocean fish. They also happen to be the most delicious kind of fish.
かいぎょ
うみざかな
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
さけは海魚ですか？それとも川魚ですか？
Is salmon a saltwater fish? Or is it a freshwater fish?
海中には、色とりどりの海魚がおよいでいました。
In the sea, there were a lot of colorful ocean fish swimming around.
水族館には沢山の種類の海魚がいますが、スタッフは僕達に一匹も食べてはいけませんと言いました。
There is a wide variety of saltwater fish at the aquarium, but the staff said we’re not allowed to eat any of them.