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💧 Freshwater Critically Endangered 🌡️ Temperate

Telestes Polylepis

Telestes polylepis Steindachner, 1866
Max Length
15 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
36.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Found in water courses at high altitudes and on the lowland rivers, with little current . Also occurs in clear streams and springs. Enters subterranean waters during winter or droughts. Omnivorous. Threatened due to water abstraction, pollution and introduction of Salmo trutta. Considered on the very edge of extinction, with a single small population known .

Scientific Name
Telestes polylepis
Authority
Steindachner, 1866
Habitat
Freshwater
Climate
Temperate
Body Shape
Elongated
IUCN Status
CR
Max Length
15 cm
Trophic Level
3.3
Resilience
Medium
Vulnerability
36.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Diagnosed from its congeners by having the following characters: conspicuous black midlateral stripe in preserved individuals; 67-79 (usually 68-75) scales along lateral line; anal fin with 8½ branched rays; 6-7 gill rakers; and caudal peduncle depth 2.1-2.7 times in its length .: elongated.

🌀 Behaviour

Behavioural data for Telestes Polylepis 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. Temperate; 46°N - 43°N, 15°E - 19°E known only from Croatia in Stajnicka Jaruga.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00832 × L3.09 (TL)
Max TL
15cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
36.00/100
Moderate vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Steindachner, 1866

🦠 Common Diseases

The following diseases are known to affect Telestes Polylepis.

👥 Community & Contribute

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