Classification / Names Nomi Comuni | Sinonimi | Catalog of Fishes(Genere, Specie) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Loricariidae (Armored catfishes) > Hypostominae
Etymology: Guyanancistrus: Composed from Guyana + see under Ancistrus; brownsbergensis: Named after the Brownsberg Nature Park in Brownsberg Mountains, in which it was found, and which is presently under threat from illegal gold mining.

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

; acqua dolce demersale; pH range: 7.0 - 7.5. Tropical; 23°C - 23°C (Ref. 116863)

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

South America: upper Kumbu Creek in the Brownsberg Nature Park, Brownsberg Mountains in Suriname.

Size / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 6.4 cm SL maschio/sesso non determinato; (Ref. 116863)

Short description Chiavi di identificazione | Morfologia | Morfometria

Spine dorsali (totale) : 2; Raggi dorsali molli (totale) : 7; Raggi anali molli: 6.

The type locality in the upper Kumbu Creek at Kumbu Falls (430 m asl) is a small mountain stream with 2.5-3.7 m width, 28-50 cm water depth, with cool (23.1-23.2°C) water, high dissolved oxygen content of 93-96% saturation and 7.08-7.72 mg/L, a pH of 7.0-7.5, conductivity 30.8-31.6 μS/cm, a current strength of 0.29-0.56 m/s taken on 12 July 2014, bottom substrate consisting of sand, gravel, pebbles, boulders and bedrock, and mostly clear water. The creek is sheltered by overhanging vegetation, leaf litter and some woody debris (Ref. 116863).

Life cycle and mating behavior Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

Main reference Upload your references | Bibliografia | Coordinatore : Fisch-Muller, Sonia | Collaboratori

Fisch-Muller, S., J.H.A. Mol and R. Covain, 2018. An integrative framework to reevaluate the Neotropical catfish genus Guyanancistrus (Siluriformes: Loricariidae) with particular emphasis on the Guyanancistrus brevispinis complex. Plos ONE 13(1):e0189789. (Ref. 116863)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Endangered (EN) (B1ab(iii)); Date assessed: 20 October 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Pesca: di nessun interesse

FAO - Publication: search | FishSource |

Informazioni ulteriori

Trophic ecology
Prede
Alimentazione
Consumo di cibo
Food rations
Predatori

Ecology
Ecologia

Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Reclutamento
Abbondanza

Life cycle
Riproduzione
Maturità
Maturity/Gills rel.
Fecundity
Deposizione
Spawning aggregations
Uova
Egg development
Larve
Dinamica popolazioni larvali

Distribution
Stati
Aree FAO
Ecosystems
Presenze
Introduzioni
BRUVS - Videos

Anatomy
Area branchiale
Brain
Otolith

Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)

Genetics
Genetica
Heterozygosity
Ereditarietà

Human related
Aquaculture systems
Profili di acquacoltura
Varietà
Ciguatera cases
Stamps, coins, misc.

Outreach
Collaboratori

Taxonomy
Nomi Comuni
Sinonimi
Morfologia
Morfometria
Immagini

References
Bibliografia

Strumenti

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

Summary page | Point data | Nomi Comuni | Photos

Fonti Internet

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01549 (0.00719 - 0.03336), b=2.98 (2.81 - 3.15), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Resilienza (Ref. 120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Guyanancistrus brownsbergensis Mol, Fisch-Muller & Covain, 2018