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💧 Freshwater Endangered 🌡️ Temperate

Alburnus Mandrensis

Alburnus mandrensis Drensky, 1943
Max Length
19.2 cm
Max Weight
Lifespan
Trophic Level
2.8
Depth
Climate
Temperate
Resilience
Medium
Vulnerability
39.00/100
Typical Length
Depth Zone

📖 Overview

Occurs in Lake Mandras drainage and migrates up to the upper reaches of lake tributaries to spawn. Spawning takes place in riffles with strong current, on gravel bottom. Forages in pelagic area of lake, close to surface. Preys on terrestrial insects and zooplankton. Threatened due to restricted range, pollution in the lake and impoundment of spawning streams. Reaches up to about 18 cm SL .

Scientific Name
Alburnus mandrensis
Authority
Drensky, 1943
Habitat
Freshwater
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
EN
Max Length
19.2 cm
Trophic Level
2.8
Resilience
Medium
Vulnerability
39.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Diagnosed from its congeners in Aegean and Black Sea basins by having the following characters: origin of anal fin below or about ½ -1 scale behind base of last dorsal ray; lateral line with 54-63 + 4 scales; anal fin with 13-15½ branched rays; base of paired fins orange in spawning adults; 25-30 gill rakers (mode 27); length of gill raker at angle of upper and lower limbs of first gill arch 45-55% of opposite inner gill filament; ventral keel exposed for 6-8 scales in front of anus; caudal peduncle depth 10-11% SL; and nuptial males with numerous small tubercles .: fusiform / normal.

🌀 Behaviour

Behavioural data for Alburnus Mandrensis is currently being reviewed.

🦐 Diet

Diet information for Alburnus Mandrensis is currently being compiled.

🥚 Reproduction

Reproduction data for Alburnus Mandrensis is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Temperate

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.8±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00661 × L3.13 (TL)
Max TL
19.2cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
39.00/100
Moderate vulnerability
Trophic Level
2.8
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Drensky, 1943

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