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

💧 Freshwater Least Concern 🌡️ Tropical

Schizodon Nasutus

Schizodon nasutus Kner, 1858
Max Length
43.5 cm
Max Weight
-
Lifespan
-
Trophic Level
2.8
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
38.00/100
Typical Length
37.5 cm
Depth Zone
-

📖 Overview

Schizodon Nasutus (Schizodon nasutus), first described by Kner, 1858 is a large fish in the family Anostomidae (order Characiformes). Adults typically reach 43.50 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Schizodon nasutus
Authority
Kner, 1858
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
43.5 cm
Trophic Level
2.8
Resilience
Medium
Vulnerability
38.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Schizodon Nasutus is currently being compiled.

🌀 Behaviour

Behavioural data for Schizodon Nasutus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

Distinct pairs breed on densely grown weedy places .

🌍 Habitat & Distribution

Freshwater; benthopelagic; potamodromous . Tropical South America: Paraná, Paraguay, and Uruguay River basins.

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Potamodromous
Trophic Level
2.8±0.25

📐 Morphometrics

Length–Weight Relationship: W = 0.01096 × L3.09 (TL)
Max TL
43.5cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
38.00/100
Moderate vulnerability
Trophic Level
2.8
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Kner, 1858

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Schizodon Nasutus ↗
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Spotted incorrect or outdated data?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.