The ''acocil'' (''Cambarellus montezumae'') is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

crayfish Crayfish are freshwater crustaceans belonging to the infraorder Astacidea, which also contains lobsters. Taxonomically, they are members of the superfamilies Astacoidea and Parastacoidea. They breathe through feather-like gills. Some spe ...

in the family

Cambaridae The Cambaridae are the largest of the four families of freshwater crayfish, with over 400 species. Most of the species in the family are native to the United States east of the Great Divide and Mexico, but fewer range north to Canada, and south ...

. It is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...

, where it is known from

Jalisco Jalisco, officially the Free and Sovereign State of Jalisco, is one of the 31 states which, along with Mexico City, comprise the 32 Political divisions of Mexico, Federal Entities of Mexico. It is located in western Mexico and is bordered by s ...

and

Puebla Puebla, officially the Free and Sovereign State of Puebla, is one of the 31 states that, along with Mexico City, comprise the Federal Entities of Mexico. It is divided into 217 municipalities and its capital is Puebla City. Part of east-centr ...

. The name ''acocil'' comes from the

Nahuatl Nahuatl ( ; ), Aztec, or Mexicano is a language or, by some definitions, a group of languages of the Uto-Aztecan language family. Varieties of Nahuatl are spoken by about Nahuas, most of whom live mainly in Central Mexico and have smaller popul ...

', meaning "crooked one of the water" or "squirms in the water". It is a traditional foodstuff of the

Pre-Columbian In the history of the Americas, the pre-Columbian era, also known as the pre-contact era, or as the pre-Cabraline era specifically in Brazil, spans from the initial peopling of the Americas in the Upper Paleolithic to the onset of European col ...

Mexicans Mexicans () are the citizens and nationals of the Mexico, United Mexican States. The Mexican people have varied origins with the most spoken language being Spanish language, Spanish, but many also speak languages from 68 different Languages o ...

, who boiled or baked the animal, and ate it in

taco A taco (, , ) is a traditional Mexican cuisine, Mexican dish consisting of a small hand-sized corn tortilla, corn- or Flour tortilla, wheat-based tortilla topped with a Stuffing, filling. The tortilla is then folded around the filling and fing ...

s. This is a common species in its range, becoming abundant in some areas. It can be found in a number of aquatic habitat types, including artificial habitats such as

canal Canals or artificial waterways are waterways or engineered channels built for drainage management (e.g. flood control and irrigation) or for conveyancing water transport vehicles (e.g. water taxi). They carry free, calm surface ...

s. It is found in areas with aquatic vegetation, and it often buries itself among the roots. It can tolerate a relatively wide range of temperatures, pH, and oxygen concentrations. It is considered to be a

least-concern species A least-concern species is a species that has been evaluated and categorized by the International Union for Conservation of Nature (IUCN) as not being a focus of wildlife conservation because the specific species is still plentiful in the wil ...

by the

International Union for Conservation of Nature The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. Founded in 1948, IUCN has become the global authority on the stat ...

(IUCN) because it is adaptable, its populations are stable, and it faces no major threats. Minor threats include the introduction of

common carp The common carp (''Cyprinus carpio''), also known as European carp, Eurasian carp, or simply carp, is a widespread freshwater fish of eutrophic waters in lakes and large rivers in Europe and Asia.Fishbase''Cyprinus carpio'' Linnaeus, 1758/ref>Ark ...

(''Cyprinus carpio'') into the area. The ''acocil'' is still a subsistence food source for local people.

References

Cambaridae Mexican cuisine Edible crustaceans Freshwater crustaceans of North America Crustaceans described in 1857 Endemic crustaceans of Mexico {{Crayfish-stub