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

💧 Freshwater Least Concern 🌡️ Temperate

Bagre-pedra

Imparfinis hollandi Haseman, 1911
Max Length
23 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Temperate
Resilience
Very low
Vulnerability
60.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Overview information for Bagre-pedra is currently being compiled by our editorial team.

Scientific Name
Imparfinis hollandi
Authority
Haseman, 1911
Habitat
Freshwater
Climate
Temperate
IUCN Status
LC
Max Length
23 cm
Trophic Level
3.2
Resilience
Very low
Vulnerability
60.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Bagre-pedra is currently being compiled.

🌀 Behaviour

Behavioural data for Bagre-pedra is currently being reviewed.

🦐 Diet

Diet information for Bagre-pedra is currently being compiled.

🥚 Reproduction

Reproduction data for Bagre-pedra is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal. Temperate South America: Iguaçu River basin.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00813 × L2.97 (TL)
Max TL
23cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
60.00/100
High vulnerability
Trophic Level
3.2
Predator
Climate Zone
Temperate
Described By
Haseman, 1911

🌐 Names & Taxonomy

Language Common Names
🇵🇹Portuguese Bagre-pedra · Guasco

Scientific Synonyms

Scientific Name Author Year Status
Heptapterus hollandi Haseman 1911 Synonym
Pariolius hollandi Haseman 1911 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Bagre-pedra ↗
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Spotted incorrect or outdated data?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.