Animals That Start With X

3 animals Animals and nature Checked 9 Oct 2026

Here are 3 animals that start with X, each with a one-line description so you can tell what it is. They are listed below with what each one is.

X is the hardest letter for animals, with only three entries: the x-ray tetra, the xenops and the xerus. That short list is worth memorising if you play alphabet games.

The x-ray tetra is a small fish with a see-through body, which explains its name. The xenops is a little bird of Central and South American forests, and the xerus is an African ground squirrel. If you need more options, try animals with X inside the name, or check the other lists on this site for X words.

Animals starting with X: 3
Best known: x-ray tetra, xenops
Longest name: x-ray tetra

All animals that start with X

#	Name	What it is	Type
1	x-ray tetra	small see-through freshwater aquarium fish from South America	other
2	xenops	small brown bird of Central and South American forests	other
3	xerus	African ground squirrel that lives in burrows	other

Other animals that start with X

x-ray tetra
xenops
xerus

More that start with X

Questions people ask

How many animals start with X?

This list has 3 animals starting with X, from well-known ones like x-ray tetra, xenops, xerus to rarer kinds.

What animals start with X?

Well-known examples are x-ray tetra, xenops, xerus.

Source: Princeton WordNet, a public dictionary database, reviewed by our editors to keep only clear, real members of the list. Meanings are short dictionary glosses.

See every letter on one page: animals A to Z