罗非鱼

• 罒(net; mesh (variant form))RADICAL
• 夕(evening; dusk)PHONETIC

Spreading a net at dusk to catch birds is the original meaning of the character.

• 非(wrong; opposite; deny)ASSOCIATIVE

Two bird wings spread in opposite directions symbolize opposition and negation.

• 魚(fish (pictographic))ASSOCIATIVE

A fish is drawn with its head, body, fins, and a flaming tail below.