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💧 Freshwater Critically Endangered 🌡️ Tropical

Duskytail darter

Etheostoma percnurum Jenkins, 1994
Max Length
4.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Duskytail darter (Etheostoma percnurum), first described by Jenkins, 1994 is a tiny fish in the family Percidae (order Perciformes). Adults typically reach 4.20 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Critically Endangered.

Scientific Name
Etheostoma percnurum
Authority
Jenkins, 1994
Habitat
Freshwater
Climate
Tropical
IUCN Status
CR
Max Length
4.2 cm
Trophic Level
3.2
Resilience
High
Vulnerability
12.00/100
Migration
Non-migratory
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Duskytail darter is currently being compiled.

🌀 Behaviour

Behavioural data for Duskytail darter is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic; non-migratory . Tropical North America: Cumberland and Tennessee ecoregions, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Non-migratory
Trophic Level
3.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00676 × L3.12 (TL)
Max TL
4.2cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically 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
Tropical
Described By
Jenkins, 1994

👥 Community & Contribute

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