''Campellolebias'' is a genus of

killifish A killifish is any of various oviparous (egg-laying) cyprinodontiform fish (including families Aplocheilidae, Cyprinodontidae, Fundulidae, Profundulidae and Valenciidae). All together, there are 1,270 species of killifish, the biggest famil ...

in the family

Rivulidae The Rivulidae are a family of killifishes in the order Cyprinodontiformes. They are commonly known as rivulids, South American killifish or New World killifish. The latter names are slightly misleading, however, as they are neither restricted to ...

from southeast Brazil. They are restricted to seasonal

blackwater Blackwater or Black Water may refer to: Health and ecology * Blackwater (coal), liquid waste from coal preparation * Blackwater (waste), wastewater containing feces, urine, and flushwater from flush toilets * Blackwater fever, an acute kidney disea ...

pools in forests in coastal parts of Santa Catarina and

São Paulo São Paulo (, ; Portuguese for 'Saint Paul') is the most populous city in Brazil, and is the capital of the state of São Paulo, the most populous and wealthiest Brazilian state, located in the country's Southeast Region. Listed by the Ga ...

states. They are small fish, up to in

total length Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology. Overall length * Standard length (SL) is the length of a fish ...

. Uniquely among

, ''Campellolebias'' and the closely related ''

Cynopoecilus ''Cynopoecilus'' is a genus of killifish in the family Rivulidae. They are endemic to seasonal temporary pools in Southern Brazil and northeastern Uruguay. Most species are restricted to the region bordering the Patos– Mirim lagoons, but ...

'' have

internal fertilization Internal fertilization is the union of an egg and sperm cell during sexual reproduction inside the female body. Internal fertilization, unlike its counterpart, external fertilization, brings more control to the female with reproduction. For intern ...

. A part of the males'

anal fin Fins are distinctive anatomical features composed of bony spines or rays protruding from the body of a fish. They are covered with skin and joined together either in a webbed fashion, as seen in most bony fish, or similar to a flipper, as s ...

forms a "pseudo-

gonopodium Fins are distinctive anatomical features composed of bony spines or rays protruding from the body of a fish. They are covered with skin and joined together either in a webbed fashion, as seen in most bony fish, or similar to a flipper, as se ...

" that is used for inseminating the female.

Species

There are currently four recognized species in this genus: * ''

Campellolebias brucei The sabrefin killifish (''Campellolebias brucei''), also known as the Santa Catarina sabrefin or Turner's gaucho, is a species of killifish in the family Rivulidae. It is endemic to Brazil. This species was described in 1974 with the type loc ...

'' Vaz Ferreira & Sierra de Soriano, 1974 (Swordfin killifish) * '' Campellolebias chrysolineatus'' W. J. E. M. Costa, Lacerda & G. C. Brasil, 1989 * ''

Campellolebias dorsimaculatus ''Campellolebias'' is a genus of killifish in the family Rivulidae from southeast Brazil. They are restricted to seasonal blackwater pools in forests in coastal parts of Santa Catarina and São Paulo states. They are small fish, up to in t ...

'' W. J. E. M. Costa, Lacerda & G. C. Brasil, 1989 * ''

Campellolebias intermedius ''Campellolebias'' is a genus of killifish in the family Rivulidae from southeast Brazil. They are restricted to seasonal Blackwater river, blackwater pools in forests in coastal parts of Santa Catarina (state), Santa Catarina and São Paulo (sta ...

'' W. J. E. M. Costa &

De Luca DeLuca, also spelled Deluca or De Luca, is an Italian-language surname. People with the surname include: People * Adrian Deluca (born 1982), former Australian rules footballer * Alby De Luca (1908–1978), Australian rules footballer * Anthony ...

, 2006

Etymology

The generic name ''Campellolebias'' is a combination of Campello, which honours the Brazilian

chemical engineer In the field of engineering, a chemical engineer is a professional, equipped with the knowledge of chemical engineering, who works principally in the chemical industry to convert basic raw materials into a variety of products and deals with the ...

aquarist An aquarist is a person who manages aquariums, either professionally or as a hobby. They typically care for aquatic animals, including fish and marine invertebrates. Some may care for aquatic mammals. Aquarists often work at public aquariums. They ...

and amateur

ichthyologist Ichthyology is the branch of zoology devoted to the study of fish, including bony fish (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha). According to FishBase, 33,400 species of fish had been described as of October ...

Gilberto Campello Brasil Gilberto is the Iberian and Italian version of the originally Norman-French given name ''Gilbert'', used in Italian, Portuguese and Spanish languages. In Galician, it's spelled Xilberto or Xilberte. ''Gilbert'' is ultimately derived from the Germ ...

(1945-2008) and ''lebias'' a

Greek Greek may refer to: Greece Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group. *Greek language, a branch of the Indo-European language family. **Proto-Greek language, the assumed last common ancestor ...

word for a small fish which was applied to Killifish by

Georges Cuvier Jean Léopold Nicolas Frédéric, Baron Cuvier (; 23 August 1769 – 13 May 1832), known as Georges Cuvier, was a French naturalist and zoologist, sometimes referred to as the "founding father of paleontology". Cuvier was a major figure in na ...

and is now used a root for names within the

order Order, ORDER or Orders may refer to: * Categorization, the process in which ideas and objects are recognized, differentiated, and understood * Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of ...

Cyprinodontiformes Cyprinodontiformes is an order of ray-finned fish, comprising mostly small, freshwater fish. Many popular aquarium fish, such as killifish and live-bearers, are included. They are closely related to the Atheriniformes and are occasionally in ...

. Vaz Ferreira & Sierra de Soriano described Campello Brasil as an “enthusiastic scholar” of Brazilian killifishes and he also collected specimens, sending them to the Vaz Ferreira & Sierra de Soriano.

References

Rivulidae Freshwater fish genera Taxonomy articles created by Polbot {{Cyprinodontiformes-stub