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💧 Freshwater Least Concern 🌡️ Temperate

Margined madtom

Noturus insignis Richardson, 1836
Max Length
15 cm
Max Weight
Lifespan
Trophic Level
3.3
Depth
Climate
Temperate
Resilience
High
Vulnerability
22.00/100
Typical Length
3.7 cm
Depth Zone
demersal

📖 Overview

Adults inhabit rocky riffles and runs of clear, fast creeks and small to medium rivers. They seek cover during the day and actively forage at night .

Scientific Name
Noturus insignis
Authority
Richardson, 1836
Habitat
Freshwater
Climate
Temperate
IUCN Status
LC
Max Length
15 cm
Trophic Level
3.3
Resilience
High
Vulnerability
22.00/100
Migration
Non-migratory
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Margined madtom is currently being compiled.

🌀 Behaviour

Behavioural data for Margined madtom is currently being reviewed.

🦐 Diet

Diet information for Margined madtom is currently being compiled.

🥚 Reproduction

Eggs are laid in masses which the male guards.

🌍 Habitat & Distribution

Freshwater; demersal; non-migratory . Temperate; 45°N - 33°N North America: Atlantic Slope from St.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Non-migratory
Trophic Level
3.3±0.43

📐 Morphometrics

Length–Weight Relationship: W = 0.00589 × L3.07 (TL)
Max TL
15cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
22.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Temperate
Described By
Richardson, 1836

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Margined Madtom
🌍CES noturus nápadný
🇫🇷French chat-fou liséré
🇨🇳Chinese 鑲邊石鮰

Scientific Synonyms

Scientific Name Author Year Status
Noturus marginatus Baird 1868 Synonym
Pimelodon insignarius Lesueur 1896 Synonym
Pimelodus insigne Richardson 1836 Synonym
Pimelodus lemniscatus Valenciennes 1840 Synonym
Schilbeodes marginatus Baird 1868 Synonym
Schilbeodes marginatus atrorus Hubbs & Raney 1944 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 255 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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