Definition

A small fish that lives in fresh or brackish water, often brightly colored, and is commonly found in warm regions. They are part of the family Cyprinodontidae and are popular in aquariums and for mosquito control.

Example

The killifish swam gracefully in the aquarium, showcasing its vibrant colors.

Conversation

Have you ever seen a killifish before?

Yeah, they are really colorful and interesting to watch!

I read they can actually help control mosquito populations.

That's true! They make great pets and are useful in gardens too.

Synonyms & Antonyms

Root Explanation

The word 'killifish' comes from the Dutch word 'kil' (meaning a small stream or creek) and 'vis' (meaning fish). It refers to a small fish typically found in shallow waters or streams.

Memory Tip

Think of a small fish found in a 'stream' ('kil') — that's why 'killifish' refers to this type of fish.

Visually Confused Words