Bryconops tocantinensis

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Bryconops tocantinensis Guedes, Oliveira & Lucinda, 2016

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drawing shows typical species in Iguanodectidae.

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Iguanodectidae ("Lizard bite tetras")
Etymology: Bryconops: Greek, bryko = to bite + Greek, ops = appearance (Ref. 45335);  tocantinensis: Name refers to the rio Tocantins drainage, where this species is currently known to occur. An adjective..

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

; zoet water benthopelagisch; diepte ? - 2 m (Ref. 109891). Tropical

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South America: Rio Conceição, a tributary to the rio Palma, upper rio Tocantins drainage in Tocantins, Brazil.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 6.5 cm SL mannelijk / geslacht onbekend; (Ref. 109891)

Korte beschrijving Morfologie | Morfometrie

Dorsale zachte stralen (totaal): 10-11; Anale zachte stralen: 25 - 29; Wervels: 40. Bryconops tocantinensis is distinguished from all species of Bryconops, except B. humeralis and B. vibex by the color pattern in vivo (dorsal, adipose, and caudal fins entirely orange). It differs from B. humeralis and B. vibex by the lack of a humeral spot and by the lack of maxillary teeth (vs. a single humeral spot present and 1-3 maxillary teeth on both sides present). It can be further diagnosed from B. vibex by having 38-41 perforated lateral line scales (vs. 44-46) (Ref. 109891).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Inhabits stream and lotic shallow areas (depth up to 1.5 m) with riparian vegetation composed by trees and shrubs. The stream is characterized by transparent water and sandy, stony, and rocky bottom. Occurs syntopically with Eigenmannia trilineata, Hoplerythrinus unitaeniatus, Astyanax cf. goyacensis, Knodus cf. breviceps, Knodus sp., and Ancistrus sp. (Ref. 109891).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

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Guedes, T.L.O., E.F. Oliveira and P.H.F. Lucinda, 2016. A new species of Bryconops (Ostariophysi: Characiformes: Characidae) from the upper rio Tocantins drainage, Brazil. Neotrop. Ichthyol. 14(2):1-8. (Ref. 109891)

Status op de Rode Lijst van het IUCN (Ref. 130435)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00459 - 0.02503), b=3.01 (2.81 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.2   ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).