Definition

Referring to fish that migrate between saltwater and freshwater environments during different stages of their life cycle.

Example

Salmon are diadromous fish, as they travel from the ocean to freshwater rivers to spawn.

Conversation

Did you know that some fish are diadromous?

Really? What does that mean exactly?

It means they migrate between salt water and fresh water.

That’s fascinating! I had no idea fish could do that.

Synonyms & Antonyms

Root Explanation

Diadromous → It is formed from "dia-" (meaning through or across) and "dromous" (from Greek "dromos", meaning running or course). The word describes fish that migrate between freshwater and saltwater, thus running through different water types.

Memory Tip

Think of fish that travel 'through' ('dia-') different waters, 'running' ('dromous') between freshwater and saltwater.

Visually Confused Words