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💧 Freshwater Least Concern 🌡️ Temperate

Dixie chub

Semotilus thoreauianus Jordan, 1877
Max Length
15 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
30.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Adults inhabit sand- and gravel-bottomed pools of creeks and small rivers . Migratory behaviour is undetermined .

Scientific Name
Semotilus thoreauianus
Authority
Jordan, 1877
Habitat
Freshwater
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
15 cm
Trophic Level
3.5
Resilience
Medium
Vulnerability
30.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Semotilus thoreauianus is distinguished from Semotilus atromaculatus by the following characters: larger lateral scales (45-52); wider, more diffuse stripe (darker on young) along side; stouter body; less distinct dorsal and caudal spots; and breeding males with orange to pink underside, yellow fins, usually 8 large hooked tubercles on head .: fusiform / normal.

🌀 Behaviour

Behavioural data for Dixie chub is currently being reviewed.

🦐 Diet

Diet information for Dixie chub is currently being compiled.

🥚 Reproduction

Reproduction data for Dixie chub is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal. Temperate; 61°N - 38°N North America: Gulf Slope from Ochlockonee River system in Georgia and Florida to Tombigbee River system in Alabama, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.5±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01148 × L3.02 (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
Medium
Minimum doubling time
Fishing Vulnerability
30.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Jordan, 1877

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