EN

Ancistomus snethlageae

Declining

Overview

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

Ancistomus snethlageae faces severe pressure from deforestation and agricultural expansion throughout its limited range in the Amazon Basin. Dam construction and water diversions for hydroelectric projects fragment its riverine habitat and alter critical flow patterns. Mining activities, particularly gold extraction, introduce heavy metals and sediments that degrade water quality in the clear-water streams this species requires.

Threat summary

Habitat

This armored catfish inhabits clear-water tributaries and rocky streams in the Amazon Basin, typically found in areas with moderate to fast current over sandy or rocky substrates. It prefers well-oxygenated waters with abundant submerged wood and rocky crevices that provide shelter and feeding opportunities.

Other threatened species in LORICARIIDAE

EN

Ancistrus minutus

Declining
VU

Harttia dissidens

Declining
EN

Pseudotocinclus tietensis

Unknown
EN

Chaetostoma stannii

Unknown

Frequently asked questions

Why is Ancistomus snethlageae classified as Endangered?
Ancistomus snethlageae 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. Ancistomus snethlageae faces severe pressure from deforestation and agricultural expansion throughout its limited range in the Amazon Basin. Dam construction and water diversions for hydroelectric projects fragment its riverine habitat and alter critical flow patterns. Mining activities, particularly gold extraction, introduce heavy metals and sediments that degrade water quality in the clear-water streams this species requires.
Where does Ancistomus snethlageae live?
Ancistomus snethlageae 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 Ancistomus snethlageae?
The main threats to Ancistomus snethlageae 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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