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💧 Freshwater Critically Endangered 🌡️ Subtropical

Twee redfin

Sedercypris erubescens Skelton, 1974
Max Length
9.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
18.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Inhabits pools and deeper flowing stretches, forming schools of similar sized individuals. Juveniles sometimes in mixed schools with the Cape galaxias. Feeds on aquatic and other insects from surface and midwater. Breeds during summer, males congregating over bottom in flowing water. Threatened by water extraction, agricultural pollution and introduced fishes .

Scientific Name
Sedercypris erubescens
Authority
Skelton, 1974
Habitat
Freshwater
Climate
Subtropical
IUCN Status
CR
Max Length
9.5 cm
Trophic Level
3.2
Resilience
High
Vulnerability
18.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Sedercypris
Sedercypris
Species
Twee redfin
Sedercypris erubescens

🐟 Physical Description

Physical description for Twee redfin is currently being compiled.

🌀 Behaviour

Behavioural data for Twee redfin 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. Subtropical; 31°S - 33°S South Africa (Ref 2801, 119402).

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4
🐠 Schooling
Food Items

aquatic and other insects from surface and midwater

📐 Morphometrics

Length–Weight Relationship: W = 0.00603 × L3.06 (TL)
Max TL
9.5cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2016

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
18.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Subtropical
Described By
Skelton, 1974

👥 Community & Contribute

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