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

💧 Freshwater 🌡️ Tropical

Imparfinis Robustus

Imparfinis robustus Castaño, Milani & DoNascimiento, 2023
Max Length
13.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
43.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Imparfinis Robustus (Imparfinis robustus) 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 13.8 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Imparfinis robustus
Authority
Castaño, Milani & DoNascimiento, 2023
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
13.8 cm
Trophic Level
3.1
Resilience
Medium
Vulnerability
43.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 6 - 7; Vertebrae: 40 - 42. : elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Imparfinis Robustus 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: Colombia and Venezuela.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.1±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00813 × L2.97 (TL)
Max TL
13.8cm
Dorsal Rays
7
Vertebrae
41

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
43.00/100
Moderate vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Castaño, Milani & DoNascimiento, 2023

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Imparfinis Robustus ↗
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Spotted incorrect or outdated data?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.