New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater Least Concern 🌡️ Tropical

Chasmocranus Rosae

Chasmocranus rosae Eigenmann, 1922
Max Length
9.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
33.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Chasmocranus Rosae (Chasmocranus rosae) is a ray-finned fish of the family Heptapteridae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 9.7 cm. With a trophic level of 3.4, 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
Chasmocranus rosae
Authority
Eigenmann, 1922
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
9.7 cm
Trophic Level
3.4
Vulnerability
33.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Chasmocranus Rosae is currently being compiled.

🌀 Behaviour

Behavioural data for Chasmocranus Rosae is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical South America: Meta River basin, Colombia.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00851 × L2.96 (TL)
Max TL
9.7cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2007

📊 Population Risk & Fisheries

Fishing Vulnerability
33.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Described By
Eigenmann, 1922

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Chasmocranus Rosae ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.