（______)鱼类live in the river.用Fishes还是Fish还是The fishes?

（______)鱼类live in the river.用Fishes还是Fish还是The fishes? some ( )are swimming in the river是fish还是fishes Are there any fishes in the river? fish复数是fish还是fishes fish的复数是fishes还是fish? He fishes in the river near our house为什么用“in”? fish的复数形式到底是fish还是fishes? You can see all kinds of ( )填fish还是fishes 两种鱼two kinds of+fish还是+fishes啊! 很多鱼,是many fish还是many fishes fishes是用many修饰还是much? there are some fishes in the water.fish不是可数名词么