Hypsolebias guanambi Costa & Amorim, 2011

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Hypsolebias guanambi
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Cyprinodontiformes (Rivulines, killifishes and live bearers) > Rivulidae (Rivulines)
Etymology: guanambi: Named after the city of Guanambi, around which vast plain areas flooded by the Caunaúba de Dentro River drainage are inhabited by five endemic annual fish species, including Hypsolebias guanambi, thus constituting an important area of endemism for the Rivulidae. The specific name is derived from the Tupi-Guarani, meaning hummingbird.

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

Freshwater; benthopelagic.   Tropical

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

South America: known only from seasonal pools associated to São Francisco River in Bahia, Brazil.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 3.9 cm SL male/unsexed; (Ref. 87364)

Short description Morphology | Morphometrics

Distinguished from all members of the Hypsolebias flavicaudatus species complex, except H. nitens, by having the dorsal and anal fins with short filamentous rays, the tip of the filaments reaching between the basal and middle portion of the caudal fin (vs. reaching the posterior portion of the caudal fin or surpassing its posterior edge). Can be diagnosed from all species of the complex, except H. flavicaudatus and H. gilbertobrasili, by the presence of bluish white dots on the antero-basal portion of the dorsal fin in males; from H. nitens in possessing body depth 35.8-39.5% SL. Differs from H. nitens and H. flavicaudatus by having the largest spot on the middle part of the flank in females larger than pupil (vs. smaller), caudal peduncle more slender (caudal peduncle depth 13.1-14.7% SL vs. 15.5-17.3% SL); from H. flagellatus, H. gilbertobrasili, H. janaubensis and H. radiseriatus by having the second proximal radial of the dorsal fin inmales between the neural spines of vertebrae 8 and 9 (vs. between the neural spines of vertebrae 6 and 8); from H. gilbertobrasili and H. flavicaudatus in having more dark grey bars on the flank in males (11-14 vs. 8-10). Possesses only 4-6 teeth on the second pharyngobranchial bone, contrasting to 7-11 in all other species of the complex (Ref. 89836).

Biology     Glossary (e.g. epibenthic)

Inhabits seasonal pools. Sympatric with Hypsolebias carlettoi. Presently confined to a small, disturbed area with extent of occurrence of about 0.05 km2 and area of occupancy about 0.003 square km (Ref. 89836).

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

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

Costa, W.J.E.M. and P.F. Amorim, 2011. A new annual killifish species of the Hypsolebias flavicaudatus complex from the São Francisco River basin, Brazilian Caatinga (Cyprinodontiformes: Rivulidae). Vertebr. Zool. 61(1):99-104. (Ref. 87364)

IUCN Red List Status (Ref. 119314)


CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO(Publication : search) | FishSource |

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.2   ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .