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Hemibrycon raqueliae  Román-Valencia & Arcila-Mesa, 2010

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Hemibrycon raqueliae
Picture by Romàn-Valencia, C.

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

Actinopterygii (ray-finned fishes) > Characiformes (Characins) > Characidae (Characins) > Stevardiinae
Etymology: Hemibrycon: Greek, hemi = half + Greek, bryko = to bite (Ref. 45335);  raqueliae: Named for the biologist Raquel Ivveth Ruiz Calderón, in recognition for her generous contribution of works for the preservation and study of Neotropical fishes.

Environment / Climate / Range Ecology

Freshwater; benthopelagic.   Tropical; ? - 22°C (Ref. 83529)

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

South America: Río La Miel basin, middle Río Magdalena in Colombia.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 9.9 cm SL male/unsexed; (Ref. 83529)

Short description Morphology | Morphometrics

Vertebrae: 42 - 43. Diagnosed from other species of Hemibrycon by possessing the following characters: a widened first tooth on the maxilla with the remaining teeth decreasing sharply in size; the first maxilla tooth pentacuspid and wider than the others (vs. first tooth on maxilla unicuspid or tricuspid and of same size as the others, except in Hemibrycon colombianus and Hemibrycon virolinica); absence of an expansion on the ventral anterior tip of the maxilla (vs. with expansion on the ventral anterior tip of the maxilla, except in Hemibrycon metae). Diagnosed from Hemibrycon colombianus in having 42-46 pored scales in the lateral line (vs. 46-54); and from the species of Hemibrycon from the upper and middle Río Magdalena drainage in having 25-29 branched anal-fin rays (vs. 19-24) (Ref. 83529).

Biology     Glossary (e.g. epibenthic)

Inhabits creeks with surface temperature 21.5°C, air temperature 22.4°C, dissolved oxygen 7.0mg/l and 60% saturation, width 5-6 m, substrate composed of stone, sand, and decaying organic in decomposition and detritus and crystalline water (Ref. 83529).

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

Main reference Upload your references | References | Coordinator | Collaborators

Román-Valencia, C. and D.K. Arcila-Mesa, 2010. Five new species of Hemibrycon (Characiformes: Characidae) from the Río Magdalena basin, Colombia. Revista de Biología Tropical (International Journal of Tropical Biology and Conservation) 58 (1):339-356. (Ref. 83529)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki |

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishes of Iran | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | 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=0.00603 (0.00258 - 0.01408), b=3.16 (2.96 - 3.36), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.0   ±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) .