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💧 Freshwater Extinct 🌡️ Tropical

Plateau chub

Evarra eigenmanni Woolman, 1894
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
2.3
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
39.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Plateau chub (Evarra eigenmanni), first described by Woolman, 1894 is a fish. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds primarily on plankton, plant material, and detritus. On the IUCN Red List, it is classified as Extinct.

Scientific Name
Evarra eigenmanni
Authority
Woolman, 1894
Habitat
Freshwater
Climate
Tropical
IUCN Status
EX
Trophic Level
2.3
Resilience
Medium
Vulnerability
39.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Evarra
Evarra
Species
Plateau chub
Evarra eigenmanni

🐟 Physical Description

Physical description for Plateau chub is currently being compiled.

🌀 Behaviour

Behavioural data for Plateau chub is currently being reviewed.

🦐 Diet

algae
aquatic plants
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical North America: Mexico.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.3±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Extinct
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
39.00/100
Moderate vulnerability
Trophic Level
2.3
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Woolman, 1894

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