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💧 Freshwater Least Concern 🌡️ Temperate

Roanoke darter

Percina roanoka Jordan & Jenkins, 1889
← All Species
Max Length
7.8 cm
Max Weight
-
Lifespan
3 yrs
Trophic Level
3.3
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
17.00/100
Typical Length
4.3 cm
Depth Zone
-

📖 Overview

Inhabits fast gravel and rubble riffles (adult), gravel-bottomed pools and runs near riffles (young) of small to medium rivers.

Scientific Name
Percina roanoka
Authority
Jordan & Jenkins, 1889
Habitat
Freshwater
Climate
Temperate
IUCN Status
LC
Max Length
7.8 cm
Lifespan
3 years
Trophic Level
3.3
Resilience
High
Vulnerability
17.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Roanoke darter is currently being compiled.

🌀 Behaviour

Behavioural data for Roanoke 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. Temperate; 38°N - 35°N North America: Roanoke, Neuse, and Tar River drainages in Virginia and North Carolina in the USA.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00575 × L3.13 (TL)
Max TL
7.8cm

🌡️ 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
17.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Temperate
Described By
Jordan & Jenkins, 1889

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 125 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Roanoke darter ↗
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