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💧 Freshwater Endangered 🌡️ Tropical

Nannocharax Altus

Nannocharax altus Pellegrin, 1930
Max Length
5.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Nannocharax Altus (Nannocharax altus) is a ray-finned fish of the family Distichodontidae. It inhabits freshwater waters in pelagic environments. This species can reach a maximum total length of 5.8 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Endangered on the IUCN Red List.

Scientific Name
Nannocharax altus
Authority
Pellegrin, 1930
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
EN
Max Length
5.8 cm
Trophic Level
3.1
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 15 - 16; Anal spines: 0; Anal soft rays: 12 - 13. Diagnosis: 38-40 lateral line scales; 9-10 branched anal fin rays; mid-lateral pigmentation on body absent or at most irregular and not forming distinct band; dorsal portions of body without distinct vertically oriented dark marks that form saddle-shaped pigmentation pattern . : elongated.

🌀 Behaviour

Behavioural data for Nannocharax Altus is currently being reviewed.

🦐 Diet

Diet information for Nannocharax Altus is currently being compiled.

🥚 Reproduction

Reproduction data for Nannocharax Altus is currently being compiled.

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical endemic, only known from the Kouilou River basin in the Republic of Congo (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00447 × L3.17 (TL)
Max TL
5.8cm
Dorsal Rays
16
Anal Rays
13

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2009

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Pellegrin, 1930

🌐 Names & Taxonomy

Language Common Names
🌍CES patetra vysoká

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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