Atlantirivulus enigmaticus

Atlantirivulus enigmaticus Volcan, Suárez, Severo-Neto, Amorim & Costa, 2024

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drawing shows typical species in Rivulidae.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Cyprinodontiformes (Rivulines, killifishes and live bearers) > Rivulidae (Rivulines) > Rivulinae
Etymology: enigmaticus: Name 'enigmaticus' from the Latin word 'aenigma', meaning puzzling, ambiguous, inexplicable, in reference to the nature of occurrence of the species belonging to a coastal group.

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; benthopelagic. Tropical

Distribution Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: Brazil.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 3.5 cm SL male/unsexed; (Ref. 133472)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 8 - 9; Anal soft rays: 13 - 14.
Body shape (shape guide): elongated; Cross section: oval.

Biology     Glossary (e.g. epibenthic)

The species is found in marginal areas with fast flowing water 50 cm deep, occupied by submersed macrophytes. Juveniles can be found in even shallower marginal sandy habitats (Ref. 133472).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Costa, Wilson J.E.M. | Collaborators

Volcan, M.V., Y.R. Suarez, F. Severo-Neto, P.F. Amorim and W.J.E.M. Costa, 2024. A typical coastal plain taxon in central Brazil: relationships and description of a new species of non-annual killifish (Cyprinodontiformes; Rivulidae) from the Parana River basin. A Journal of Comparative Zoology 312:92-102. (Ref. 133472)

IUCN Red List Status (Ref. 130435: Version 2025-2)

Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: of no interest
FAO - Publication: search | FishSource |

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Trophic ecology
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Ecology
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References

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search |