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💧 Freshwater Vulnerable 🌡️ Subtropical

Niangua darter

Etheostoma nianguae Gilbert & Meek, 1887
Max Length
13 cm
Max Weight
Lifespan
4 yrs
Trophic Level
3.4
Depth
Climate
Subtropical
Resilience
Medium
Vulnerability
20.00/100
Typical Length
7.3 cm
Depth Zone

📖 Overview

This species inhabits rocky pools and runs of creeks and small to medium rivers . Its eggs are found buried in the substrate .

Scientific Name
Etheostoma nianguae
Authority
Gilbert & Meek, 1887
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
IUCN Status
VU
Max Length
13 cm
Lifespan
4 years
Trophic Level
3.4
Resilience
Medium
Vulnerability
20.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Distinguished by having the following characters: caudal fin base with 2 jet-black spots (unfused); lateral line with 72-82 scales; breeding males with large bright orange and green bars along side, orange and green bands on dorsal and caudal fins .: elongated.

🌀 Behaviour

Behavioural data for Niangua darter is currently being reviewed.

🦐 Diet

Diet information for Niangua darter is currently being compiled.

🥚 Reproduction

Eggs are found buried in the substrate .

🌍 Habitat & Distribution

Freshwater; benthopelagic. Subtropical; 39°N - 37°N North America: Osage River drainage (Missouri River basin) in southern central Missouri, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00676 × L3.12 (TL)
Max TL
13cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
20.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Gilbert & Meek, 1887

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