Creatures in Crisis
Photograph of Cuatrocienegas killifish (Lucania interioris), recorded as Endangered
Cuatrocienegas killifish (Lucania interioris). Image via Wikimedia Commons.

Endangered

Cuatrocienegas killifish

Lucania interioris

Cuatrocienegas killifish is a ray-finned fish in the family Fundulidae (order Cyprinodontiformes) — Lucania interioris, recorded as Endangered.

Status
Endangered
Scientific name
Lucania interioris
Taxonomy
Cyprinodontiformes · Fundulidae · Lucania

The ray-finned fish

Killifish, livebearers, and splitfins — small-bodied freshwater fishes, many of them from a single lake, spring, or seasonal pool.

Range and habitat

It is endemic to Cuatro Ciénegas in Mexico, where it exists in severely fragmented habitats within the valley.

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

Breeding

Small desert or forest fishes in this order live in water that can vanish. The egg bank, if there is one, is the only reserve.

In crisis

Cuatrocienegas killifish is 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 English Wikipedia article on Cuatrocienegas killifish — often a short stub, Wikidata item Q2247094. Family and order context is original field-guide writing about the group, not a copied assessment of this one species. Wikipedia text is CC BY-SA. Not an IUCN assessment. Counts, when quoted, can change — confirm them on the recovery programme and on iucnredlist.org.

Photograph via Wikimedia Commons. Wikipedia · Wikidata · IUCN Red List.

Also in this catalog

Photograph of Vaquita (Phocoena sinus), recorded as Critically EndangeredCR

Vaquita

Phocoena sinus
Photograph of Javan rhinoceros (Rhinoceros sondaicus), recorded as Critically EndangeredCR

Javan rhinoceros

Rhinoceros sondaicus
Photograph of Sumatran orangutan (Pongo abelii), recorded as Critically EndangeredCR

Sumatran orangutan

Pongo abelii
Photograph of Axolotl (Ambystoma mexicanum), recorded as Critically EndangeredCR

Axolotl

Ambystoma mexicanum

Quick answers

What is Cuatrocienegas killifish?
Cuatrocienegas killifish is a ray-finned fish in the family Fundulidae (order Cyprinodontiformes) — Lucania interioris.
What is the conservation status of Cuatrocienegas killifish?
Endangered, as the IUCN category stored on Wikidata for Lucania interioris. Confirm the official assessment on iucnredlist.org.
Where does Cuatrocienegas killifish live?
It is endemic to Cuatro Ciénegas in Mexico, where it exists in severely fragmented habitats within the valley.
Why is Cuatrocienegas killifish in crisis?
It is Endangered on Wikidata. Read the official Red List assessment for the criteria.
Is this the IUCN Red List page for Lucania interioris?
No. This is a researched catalog account. The Red List is the assessment.
Is Cuatrocienegas killifish a pet?
An animal on this catalog is in crisis in the wild. Keeping one is usually the wrong question.