This list includes 5 Small animals that start with X that start with X, from “X-ray tetra” to “Xerces blue”. These entries focus on small fish and insects often kept as pets or studied by enthusiasts.
Small animals that start with X are species under about 5 kg whose common names begin with X. Notably, the Xerces blue is one of the first North American butterflies recorded as extinct due to habitat loss.
Below you’ll find the table with Common name, Scientific name, Habitat, and Lifespan.
Common name: Use this name to quickly recognise the animal and to search for care or identification advice.
Scientific name: The binomial helps you find precise species information and avoid confusion from regional common names.
Habitat: A concise habitat note shows where the species lives in the wild and helps with enclosure planning.
Lifespan: Typical lifespan gives realistic expectations for care or study, often shown as a range in years.
Small animals that start with X
| Common name | Scientific name | Habitat | Lifespan |
|---|---|---|---|
| Xantus’s hummingbird | Selasphorus xantusii | Baja California coastal scrub, Mexico | 4–8 yrs |
| Xantus’s murrelet | Synthliboramphus hypoleucus | Baja California islands and nearby Pacific waters | 10–25 yrs |
| Xantus’s leaf-toed gecko | Phyllodactylus xanti | Rocky coastal deserts, Baja California, Mexico | 5–10 yrs |
| Xerces blue | Glaucopsyche xerces | Coastal sand dunes, San Francisco Peninsula, USA (extinct) | 0.04–0.08 yrs |
| X-ray tetra | Pristella maxillaris | Lowland Amazon tributaries, black and clearwater streams | 3–5 yrs |