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

💧 Freshwater Near Threatened 🐠 Aquarium 🌡️ Temperate

Western silvery minnow

Hybognathus argyritis Girard, 1856
Max Length
12 cm
Max Weight
-
Lifespan
-
Trophic Level
2
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
27.00/100
Typical Length
10 cm
Depth Zone
demersal

📖 Overview

Adults inhabit sluggish pools and backwaters, usually over mud or sand, of small to large rivers . Oviparous, open substratum spawners .

Scientific Name
Hybognathus argyritis
Authority
Girard, 1856
Habitat
Freshwater
Climate
Temperate
IUCN Status
NT
Max Length
12 cm
Trophic Level
2
Resilience
High
Vulnerability
27.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Western silvery minnow is currently being compiled.

🌀 Behaviour

Behavioural data for Western silvery minnow is currently being reviewed.

🦐 Diet

algae
aquatic plants
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal; potamodromous . Temperate; 51°N - 36°N North America: Missouri River basin in Alberta, Canada and Montana to Missouri, Mississippi River from mouth of Missouri River to mouth of Ohio River, USA; South Saskatchewan River (Hudson Bay) in extreme southern Alberta, Canada.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Potamodromous
Trophic Level
2

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.1 (TL)
Max TL
12cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
2
Omnivore / Planktivore
Climate Zone
Temperate
Described By
Girard, 1856

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Western silvery minnow ↗
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Spotted incorrect or outdated data?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.