Creatures in Crisis
Photograph of Procambarus regiomontanus (Procambarus regiomontanus), recorded as Critically Endangered
Procambarus regiomontanus (Procambarus regiomontanus). Image via Wikimedia Commons.

Critically Endangered

Procambarus regiomontanus

Procambarus regiomontanus

The regio acocil, or acocil, or freshwater crab is a decapod crustacean of the family Cambaridae.

Status
Critically Endangered
Scientific name
Procambarus regiomontanus
Recorded from
Mexico, United States
Taxonomy
Malacostraca · Decapoda · Cambaridae · Procambarus

The crayfish

Northern hemisphere crayfishes are freshwater decapods. Many US species are tied to a single drainage or cave system.

Decapods are ten-legged crustaceans — crabs, shrimps, and crayfishes. Freshwater species here are usually tied to a drainage.

Range and habitat

It is a freshwater species with a lentic habitat. It is a species endemic to Nuevo León and Tamaulipas in Mexico, and is in danger of extinction (P) in NOM-059-SEMARNAT-2010 and in critical danger (CR) by the IUCN Red List.​​.

GBIF currently lists 133 occurrence points. Those points follow where people logged the taxon — museum drawers and surveys included — not a closed range boundary.

Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.

Habits

The acociles are nocturnal. At night they wander in search of food and to reproduce.

In crisis

It is a species endemic to Nuevo León and Tamaulipas in Mexico, and is in danger of extinction (P) in NOM-059-SEMARNAT-2010 and in critical danger (CR) by the IUCN Red List.​​ It is in danger of extinction due to causes such as pollution, the loss of its habitats and the introduction of exotic species, such as the red acocil (Procambarus clarkii).​​.

Procambarus regiomontanus is Critically Endangered on this catalog because that is the IUCN category stored on Wikidata. Confirm the official criteria and any later count on iucnredlist.org.

Sources

Written for this catalog from the Spanish Wikipedia article on Procambarus regiomontanus, translated and retold in English, plus Wikidata item Q4479907 and GBIF occurrence geography. Family and order context is original field-guide writing about the group. Wikipedia text is CC BY-SA. Not an IUCN assessment. Confirm status and range on iucnredlist.org.

Photograph via Wikimedia Commons. Wikidata · IUCN Red List.

Same genus

Photograph of Procambarus paradoxus (Procambarus paradoxus), recorded as Critically EndangeredCR

Procambarus paradoxus

Procambarus paradoxus
Photograph of Procambarus bouvieri (Procambarus bouvieri), recorded as EndangeredEN

Procambarus bouvieri

Procambarus bouvieri
Photograph of Procambarus econfinae (Procambarus econfinae), recorded as EndangeredEN

Procambarus econfinae

Procambarus econfinae
Photograph of Procambarus milleri (Procambarus milleri), recorded as EndangeredEN

Procambarus milleri

Procambarus milleri

Quick answers

What is Procambarus regiomontanus?
The regio acocil, or acocil, or freshwater crab is a decapod crustacean of the family Cambaridae. It is a species endemic to Nuevo León and Tamaulipas in Mexico, and is in danger of extinction (P) in NOM-059-SEMARNAT-2010 and in critical danger (CR) by the IUCN Red List.​​.
What is the conservation status of Procambarus regiomontanus?
Critically Endangered, as the IUCN category stored on Wikidata for Procambarus regiomontanus. Confirm the official assessment on iucnredlist.org.
Where does Procambarus regiomontanus live?
It is a freshwater species with a lentic habitat.
Why is Procambarus regiomontanus in crisis?
It is a species endemic to Nuevo León and Tamaulipas in Mexico, and is in danger of extinction (P) in NOM-059-SEMARNAT-2010 and in critical danger (CR) by the IUCN Red List.​​ It is in danger of extinction due to causes such as pollution, the loss of its habitats and the introduction of exotic species, such as the red acocil (Procambarus clarkii).​​.
Is this the IUCN Red List page for Procambarus regiomontanus?
No. This is a researched catalog account. The Red List is the assessment.
Is Procambarus regiomontanus a pet?
An animal on this catalog is in crisis in the wild. Keeping one is usually the wrong question.