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Phallobrycon adenacanthus Menezes, Ferreira & Netto-Ferreira, 2009

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drawing shows typical species in Characidae.

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Characidae (Characins; tetras) > Stevardiinae
Etymology: adenacanthus: The specific epithet is derived from the Greek adenos, meaning gland, and akanthos, meaning spine, in reference to the restriction of the glandular tissue to the area where the anal-fin spines are located.

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

; eau douce benthopélagique. Tropical

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

South America: Rio Xingu basin in Brazil.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 4.0 cm SL mâle / non sexé; (Ref. 81937)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Rayons mous dorsaux (Total) : 10; Rayons mous anaux: 22 - 27; Vertèbres: 37 - 39. Phallobrycon and Bryconadenos are the only members of the Clade A characids that possess a combination of intumescent glandular tissue present on the anterior part of the anal fin and pelvic-fin hooks absent in sexually mature males. This species can be diagnosed by the following characters: the glandular tissue is associated with specially developed spines on some anal-fin rays. Two developed spines are present on median unbranched portions of fifth, sixth and seventh anal-fin rays which are larger and separated from the close-set smaller hooks that appear on distal portions of the anterior anal-fin rays of Phallobrycon, and different from those found on distal portions of several anal-fin rays of many characids. Large spines and small hooks are never found together on any anal-fin ray in Phallobrycon; presence of a simple concentration of glandular tissue on the anterior part of the anal fin; and presence of a developed urogenital papilla in male specimens (Ref. 81937).

Biologie     Glossaire (ex. epibenthic)

Found in the main channel of rivers with fast flowing and rather shallow clear waters, with abundance of rocks and thick sand (Ref. 81937).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Menezes, N.A., K.M. Ferreira and A.L. Netto-Ferreira, 2009. A new genus and species of inseminating characid fish from the rio Xingu basin (Characiformes: Characidae). Zootaxa 2167:47-58. (Ref. 81937)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)

  Préoccupation mineure (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

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Sources Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00443 - 0.02057), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  3.0   ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).