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

💧 Freshwater Least Concern 🎣 Game Fish 🌡️ Tropical 🎣 Game Fish

Papermouth

Enteromius mattozi Guimarães, 1884
Max Length
40 cm
Max Weight
1.4 kg
Lifespan
9 yrs
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
49.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Naturally occurring in large pools of cooler perennial rivers; thrives in man-made impoundments. An active predator which feeds initially on small planktonic crustaceans and insects; later feeds on small fishes when they are larger. Also feeds on waterlily seeds. Is preyed upon by birds, otters, large catfish and large papermouths. Migrates upstream with the first summer flood to spawn. Matures after 3 years .

Scientific Name
Enteromius mattozi
Authority
Guimarães, 1884
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
40 cm
Max Weight
1.4 kg
Lifespan
9 years
Trophic Level
3.3
Resilience
Medium
Vulnerability
49.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Papermouth is currently being compiled.

🌀 Behaviour

Behavioural data for Papermouth is currently being reviewed.

🦐 Diet

Diet information for Papermouth is currently being compiled.

🥚 Reproduction

Reproduction data for Papermouth is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic; potamodromous . Tropical; 12°S - 25°S

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Potamodromous
Trophic Level
3.3±0.46
Food Items

small fishes when they are larger

📐 Morphometrics

Length–Weight Relationship: W = 0.01096 × L3.02 (TL)
Max TL
40cm
Max Weight
1,400g

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
49.00/100
Moderate-High vulnerability
Trophic Level
3.3
Predator
Climate Zone
Tropical
Described By
Guimarães, 1884

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Barbus mattozi Guimarães 1884 Synonym
Barbus mottozi Guimarães 1884 Synonym
Barbus rapax Steindachner 1894 Synonym
Barbus sauvagei Pellegrin 1912 Synonym
Barbus serrula Gilchrist & Thompson 1913 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 52 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 Papermouth ↗
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.