EN

Xenurolebias myersi

Declining

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Xenurolebias myersi faces severe threats from habitat destruction as its temporary pool environments are drained for agricultural expansion and urban development. The species' dependence on seasonal rainfall patterns makes it particularly vulnerable to climate-induced changes in precipitation timing and intensity. Water pollution from agricultural runoff and livestock grazing further degrades the quality of remaining breeding pools.

Threat summary

Habitat

This annual killifish inhabits temporary pools and seasonal wetlands in the Brazilian Cerrado savanna, where it completes its entire life cycle during brief rainy seasons. The species depends on ephemeral water bodies that form during seasonal flooding and dry completely during drought periods.

Other threatened species in RIVULIDAE

EN

Flame Rivulus

Cynodonichthys uroflammeus

Unknown
CR

Campellolebias brucei

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CR

Hypsolebias gilbertobrasili

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CR

Kryptolebias campelloi

Unknown

Frequently asked questions

Why is Xenurolebias myersi classified as Endangered?
Xenurolebias myersi is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Xenurolebias myersi faces severe threats from habitat destruction as its temporary pool environments are drained for agricultural expansion and urban development. The species' dependence on seasonal rainfall patterns makes it particularly vulnerable to climate-induced changes in precipitation timing and intensity. Water pollution from agricultural runoff and livestock grazing further degrades the quality of remaining breeding pools.
Where does Xenurolebias myersi live?
Xenurolebias myersi occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Xenurolebias myersi?
The main threats to Xenurolebias myersi are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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