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💧 Freshwater Endangered 🌡️ Subtropical

Coldwater darter

Etheostoma ditrema Ramsey & Suttkus, 1965
Max Length
5.4 cm
Max Weight
-
Lifespan
2 yrs
Trophic Level
3.2
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
12.00/100
Typical Length
3 cm
Depth Zone
-

📖 Overview

Inhabit vegetated springs and spring runs . Adults feed on amphipods, midge larvae, isopods and copepods . Eggs are found attached to the substrate unguarded .

Scientific Name
Etheostoma ditrema
Authority
Ramsey & Suttkus, 1965
Habitat
Freshwater
Climate
Subtropical
IUCN Status
EN
Max Length
5.4 cm
Lifespan
2 years
Trophic Level
3.2
Resilience
High
Vulnerability
12.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Coldwater darter is currently being compiled.

🌀 Behaviour

Behavioural data for Coldwater darter is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

Eggs are found attached to the substrate unguarded .

🌍 Habitat & Distribution

Freshwater; benthopelagic. Subtropical; 36°N - 32°N North America: found only in Coosa River system in Georgia, Alabama and southeastern Tennessee, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.5
Food Items

amphipods, midge larvae, isopods and copepods (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00676 × L3.12 (TL)
Max TL
5.4cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Subtropical
Described By
Ramsey & Suttkus, 1965

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