VU

Thintail Skate

Dipturus leptocauda

Unknown

Overview

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

The Thintail Skate faces severe pressure from commercial bottom trawl fisheries operating across its deep-water range in the Northeast Atlantic. Its slow growth rate, late sexual maturity, and low reproductive output make populations extremely vulnerable to overfishing, with recovery taking decades even after fishing pressure is reduced. Bycatch mortality in deep-sea fisheries targeting other species compounds direct fishing pressure, while the species' preference for continental slope habitats places it directly in the path of intensive commercial fishing operations.

Threat summary

Habitat

The Thintail Skate inhabits deep continental shelf and upper slope waters of the Northeast Atlantic, typically found at depths between 200-1000 meters on muddy and sandy bottoms. This demersal species prefers the cooler waters along the continental margin from Norway to the Bay of Biscay.

MARINE· major

Frequently asked questions

Why is Thintail Skate classified as Vulnerable?
Thintail Skate 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. The Thintail Skate faces severe pressure from commercial bottom trawl fisheries operating across its deep-water range in the Northeast Atlantic. Its slow growth rate, late sexual maturity, and low reproductive output make populations extremely vulnerable to overfishing, with recovery taking decades even after fishing pressure is reduced. Bycatch mortality in deep-sea fisheries targeting other species compounds direct fishing pressure, while the species' preference for continental slope habitats places it directly in the path of intensive commercial fishing operations.
Where does Thintail Skate live?
Thintail Skate occurs in Brazil. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Thintail Skate?
The main threats to Thintail Skate 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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