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💧 Freshwater Least Concern 🌡️ Tropical

Bryconalestes Tholloni

Bryconalestes tholloni Pellegrin, 1901
Max Length
8.9 cm
Max Weight
Lifespan
Trophic Level
3.1
Depth
Climate
Tropical
Resilience
High
Vulnerability
11.00/100
Typical Length
Depth Zone
pelagic

📖 Overview

Bryconalestes Tholloni (Bryconalestes tholloni) is a ray-finned fish. It inhabits freshwater waters in pelagic environments. This species can reach a maximum total length of 8.9 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Bryconalestes tholloni
Authority
Pellegrin, 1901
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
8.9 cm
Trophic Level
3.1
Resilience
High
Vulnerability
11.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Bryconalestes
Bryconalestes
Species
Bryconalestes Tholloni
Bryconalestes tholloni

🐟 Physical Description

Diagnosis: fronto-parietal fontanel narrow but always present; head length/snout length 3.4-3.6; 34-38 lateral line scales; 6.5 scales between lateral line and dorsal fin; 11-11.5 predorsal scales; 22-25 anal fin branched rays; 13-14 gill rakers on lower limb of first gill arch; 6 teeth in outer premaxillary row; humeral spot present . : fusiform / normal.

🌀 Behaviour

Behavioural data for Bryconalestes Tholloni is currently being reviewed.

🦐 Diet

Diet information for Bryconalestes Tholloni is currently being compiled.

🥚 Reproduction

Reproduction data for Bryconalestes Tholloni is currently being compiled.

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical endemic, found in Gabon and the Republic of Congo in the upper Ogowe, Nyanga and Kouilou River basins (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01072 × L3.02 (TL)
Max TL
8.9cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
11.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Pellegrin, 1901

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