"He wants fish."

Translation: 他要鱼。

[ShiroiSasori]

Why not 想 ？

[Gabrielle145359]

想 + noun means "to miss".
想 + verb means "to want".

[TellTheSeal]

年年有鱼。
ᵔᴥᵔ

[bartelbertse]

When to use a space between the chinese signs? Does this ever happen?

[AxelSopp]

Never! If you type in Chinese there will automatically be spacing after punctuation marks, but you never use the spacebar for it. Writing by hand is a bit different.