trelobsblading
VU

trelobsblading

Hermaea bifida

Unknown

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Hermaea_bifida

Overview

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

Hermaea bifida faces significant pressure from coastal development and pollution in its shallow marine habitats. The species' specialized feeding relationship with specific algae makes it particularly vulnerable to water quality changes and eutrophication. Climate change-induced ocean acidification and rising sea temperatures further threaten the delicate marine ecosystems this nudibranch depends upon.

Threat summary

Habitat

Hermaea bifida inhabits shallow coastal waters and intertidal zones, typically found among algae and seagrass beds in temperate marine environments. This small nudibranch requires specific algal hosts for feeding and is closely associated with clean, well-oxygenated waters.

MARINE· major

Threatened in Canada

Calidris ferrugineaVU

Calidris ferruginea

Declining
EN

Nymphaea loriana

Declining
Coregonus huntsmaniCR

Coregonus huntsmani

Unknown
EN

Lake Lamprey

Entosphenus macrostoma

Unknown

Frequently asked questions

Why is trelobsblading classified as Vulnerable?
trelobsblading is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Hermaea bifida faces significant pressure from coastal development and pollution in its shallow marine habitats. The species' specialized feeding relationship with specific algae makes it particularly vulnerable to water quality changes and eutrophication. Climate change-induced ocean acidification and rising sea temperatures further threaten the delicate marine ecosystems this nudibranch depends upon.
Where does trelobsblading live?
trelobsblading occurs in Canada, Costa Rica, France, Guadeloupe, Guernsey, and Ireland (plus 9 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to trelobsblading?
The main threats to trelobsblading 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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