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Brevibora exilis Liao & Tan, 2014

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Image of Brevibora exilis
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drawing shows typical species in Danionidae.

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

> Cypriniformes (Carps) > Danionidae (Danios) > Rasborinae
Etymology: exilis: Name from the Latin adjective exilis, meaning meager, in reference to the distinctively more slender body compared with the other congeners.

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

; eau douce benthopélagique. Tropical

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

Asia: Sebangau and Kahayan basins in central Kalimantan, Indonesia.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 2.5 cm SL mâle / non sexé; (Ref. 95539)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Rayons mous dorsaux (Total) : 8; Rayons mous anaux: 8; Vertèbres: 30 - 32. Brevibora exilis differs from B. cheeya and B. dorsiocellata by having the following diagnostic characters: 10 scales around caudal peduncle (vs. 12); anterior outline of the dorsal-fin blotch ranging from 2nd branched ray to first four or five branched rays with transparent inter-radial membrane between 1st and 2nd unbranched rays (vs. blotch reaching from 1st unbranched ray and inter-radial membrane between 1st and 2nd unbranched rays not hyaline); and shallow body depth (19.3-24.7% SL vs. 24.4-26.7 in B. cheeya; 25.8-28.4 in B. dorsiocellata). It can be further diagnosed from B. cheeya by having incomplete lateral line with 6-10 perforated scales (vs. 25-30), shorter head length (23.7-26.7% SL vs. 28.5-30.0), shallower caudal peduncle depth (10.4-11.9% SL vs. 11.7-13.0), shorter prepectoral length (25.9-27.3% SL vs. 29.6-29.3) and shorter dorsal fin length (22.0-24.6 % SL vs. 26.2-29.3). It can be further separated from B. dorsiocellata by the possession of 28-31 scales along the lateral line row (vs. 25-27) (Ref. 95539).

Biologie     Glossaire (ex. epibenthic)

Found in black water habitats of Sebangau and Kahayan basins. Occurs syntopically with Brevibora cheeya in the Rungan system, a major branch of the Kahayan basin (Ref. 95539).

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

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Liao, T.-Y. and H.-H. Tan, 2014. Brevibora exilis, a new rasborin fish from Borneo (Teleostei: Cyprinidae). Ichthyol. Explor. Freshwat. 24(3):209-215. (Ref. 95539)

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

  Quasi-menacé (NT) (B2ab(i,ii,iii,iv)); Date assessed: 29 March 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

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Trophic ecology
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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 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  3.1   ±0.4 se; based on size and trophs of closest relatives
Résilience (Ref. 120179):  Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).