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💧 Freshwater Critically Endangered 🌡️ Temperate

White River spinedace

Lepidomeda albivallis Miller & Hubbs, 1960
Max Length
15 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
30.00/100
Typical Length
9.8 cm
Depth Zone
demersal

📖 Overview

Adults inhabit springs and outflows of upper White River, usually in shallow, cool, clear water over sand and gravel . Migratory behaviour is undetermined .

Scientific Name
Lepidomeda albivallis
Authority
Miller & Hubbs, 1960
Habitat
Freshwater
Climate
Temperate
IUCN Status
CR
Max Length
15 cm
Trophic Level
3.3
Resilience
Medium
Vulnerability
30.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Lepidomeda albivallis is distinguished from similar species L. mollispinis by having the following characters: scales on lateral line 79-92; entire opercle with dark specks; larger pharyngeal arch; red-orange bases on olive to pink-brown dorsal and caudal fins, red-orange anal and pelvic fins (colors brightest in large males) .

🌀 Behaviour

Behavioural data for White River spinedace is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Temperate; 40°N - 39°N North America: Upper White River system in Nevada, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00617 × L3.05 (TL)
Max TL
15cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
30.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Temperate
Described By
Miller & Hubbs, 1960

🦠 Common Diseases

The following diseases are known to affect White River spinedace.

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