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Brycon costaricensis  Angulo & Gracian-Negrete, 2013

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

Actinopterygii (ray-finned fishes) > Characiformes (Characins) > Bryconidae () > Bryconinae
Etymology: Brycon: Greek, ebrykon, brykomai = to bite, to gnaw (Ref. 45335);  costaricensis: The specific name refers to the country of the type locality: Costa Rica, Atlantic slope, Heredia, Sarapiquí drainage, La Virgen de Sarapiquí, Río Sarapiquí.

Environment / Climate / Range Ecology

Freshwater; benthopelagic.   Tropical; 21°C - 34°C (Ref. 95069)

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

Central America: Wawa basin in northern Nicaragua to Matina basin in southern Costa Rica, Atlantic slope.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 32.5 cm SL male/unsexed; (Ref. 95069)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 11; Anal soft rays: 33 - 37; Vertebrae: 45. This is distinguished from all congeners in Central America by having 49 to 54 scales in the lateral line (vs. 43 to 48 in Brycon argenteus, 55 to 61 in B. guatemalensis, and more than 64 in B. behreae, B. chagrensis and B. striatulus) and anal fin notably longer than head, with 33 to 37 total rays (vs. an anal fin about equal to length of head, with 24 to 28 total rays in B. argenteus , B. obscurus, and B. petrosus, the last two species with 48 to 55 and 53 to 58 scales in the lateral line, respectively). This species can be further diagnosed from B. guatemalensis by the following combination of characters: 5 or 6 rows of scales between lateral line and pectoral fin base (vs. 7 or 8); 9 to 11 (generally 10) rows of scales between lateral line and dorsal fin base (vs. 10 to 12, generally 11); 5 to 7 (generally 6) rows of scales between lateral line and anal fin base (vs. 7 to 9, generally 8); and a elongated and shallow caudal peduncle, whose length is 1.78 to 2.35 times its depth (vs. a short and deep caudal peduncle, whose length is 1.25 to 1.61 times its depth) (Ref. 95069).

Biology     Glossary (e.g. epibenthic)

This species is found in lakes, but also abundant in fast-flowing rivers and streams. It occurs at elevation from 0-600 m in lakes, rivers and creeks, and tolerates temperate ranging from 21-34°C (Ref. 95069).

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

Main reference Upload your references | References | Coordinator | Collaborators

Angulo, A., J. Marlene and M. Gracian-Negrete, 2013. A new species of Brycon (Characiformes: Characidae) from Nicaragua and Costa Rica, with a key to the lower Mesoamerican species of the genus. Zootaxa 3731(2):255-266. (Ref. 95069)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




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FAO(Publication : search) | FisheriesWiki |

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Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | 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=0.01202 (0.00546 - 0.02649), b=3.05 (2.86 - 3.24), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  2.6   ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (31 of 100) .