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💧 Freshwater Critically Endangered 🌡️ Temperate

Alabama cavefish

Speoplatyrhinus poulsoni Cooper & Kuehne, 1974
Max Length
7.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
29.00/100
Typical Length
4.5 cm
Depth Zone
demersal

📖 Overview

Adults inhabit subterranean water . Highly cave-adapted species. Eggs are carried in gill chambers of females . Threatened by groundwater pollution from agriculture runoff .

Scientific Name
Speoplatyrhinus poulsoni
Authority
Cooper & Kuehne, 1974
Habitat
Freshwater
Climate
Temperate
Body Shape
Elongated
IUCN Status
CR
Max Length
7.2 cm
Trophic Level
3.3
Resilience
Medium
Vulnerability
29.00/100
Migration
Non-migratory
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Speoplatyrhinus
Speoplatyrhinus
Species
Alabama cavefish
Speoplatyrhinus poulsoni

🐟 Physical Description

Dorsal soft rays (total): 9 - 10; Anal soft rays: 8 - 9. Long flat head constricted behind snout. White. No eyes. No pelvic fins. No branched fin rays; incised fin membranes. Caudal fin with 4 rows of papillae; 21-22 caudal rays ( all unbranched).: elongated.

🌀 Behaviour

Behavioural data for Alabama cavefish is currently being reviewed.

🦐 Diet

Diet information for Alabama cavefish is currently being compiled.

🥚 Reproduction

Incubates eggs in gill chamber of females .

🌍 Habitat & Distribution

Freshwater; demersal; non-migratory . Temperate; 35°N - 34°N North America: known only from Key Cave in Alabama, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Non-migratory
Trophic Level
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
7.2cm
Dorsal Rays
10
Anal Rays
9

🌡️ 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
29.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Cooper & Kuehne, 1974

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