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💧 Freshwater Least Concern 🌡️ Subtropical

Sooty darter

Etheostoma olivaceum Braasch & Page, 1979
Max Length
8 cm
Max Weight
-
Lifespan
2 yrs
Trophic Level
3.3
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
18.00/100
Typical Length
5 cm
Depth Zone
-

📖 Overview

Inhabit rocky pools and nearby riffles of headwaters and creeks ; also found in streams . Often found in very shallow water less than 4 m deep . Juveniles feed on midge larvae and microcrustaceans; adults on midge larvae, other immature aquatic insects (mayflies, caddisflies, stoneflies), isopods and amphipods . Eggs are found clustered on underside of stone and guarded by males .

Scientific Name
Etheostoma olivaceum
Authority
Braasch & Page, 1979
Habitat
Freshwater
Climate
Subtropical
IUCN Status
LC
Max Length
8 cm
Lifespan
2 years
Trophic Level
3.3
Resilience
High
Vulnerability
18.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Sooty darter is currently being compiled.

🌀 Behaviour

Behavioural data for Sooty 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 clustered on underside of stone . Males guard the eggs .

🌍 Habitat & Distribution

Freshwater; benthopelagic. Subtropical; 37°N - 35°N North America: found only in the lower Caney Fork system and nearby tributaries of Cumberland River in central Tennessee, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.5
Food Items

midge larvae and microcrustaceans; adults on midge larvae, other immature aquatic insects (mayflies,

📐 Morphometrics

Length–Weight Relationship: W = 0.00676 × L3.12 (TL)
Max TL
8cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
18.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Subtropical
Described By
Braasch & Page, 1979

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Dirty Darter · Sooty Darter
🌍CES candátek olivový

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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