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💧 Freshwater Endangered 🌡️ Temperate

Watercress darter

Etheostoma nuchale Howell & Caldwell, 1965
Max Length
5.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
12.00/100
Typical Length
3.6 cm
Depth Zone
-

📖 Overview

Watercress darter (Etheostoma nuchale), first described by Howell & Caldwell, 1965 is a small fish in the family Percidae (order Perciformes). Adults typically reach 5.40 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Temperate waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Endangered.

Scientific Name
Etheostoma nuchale
Authority
Howell & Caldwell, 1965
Habitat
Freshwater
Climate
Temperate
IUCN Status
EN
Max Length
5.4 cm
Trophic Level
3.2
Resilience
High
Vulnerability
12.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Watercress darter is currently being compiled.

🌀 Behaviour

Behavioural data for Watercress 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; 33°N - 32°N North America: found only in springs on Halls and Village creeks (Black Warrior River system) in Jefferson County in Alabama, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.5

📐 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
Temperate
Described By
Howell & Caldwell, 1965

👥 Community & Contribute

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