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💧 Freshwater Endangered 🌡️ Temperate

Alburnus Mentoides

Alburnus mentoides Kessler, 1859
Max Length
13 cm
Max Weight
-
Lifespan
5 yrs
Trophic Level
2.8
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
34.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Inhabits lower and middle portions of streams and estuaries. Occurs close to the surface in estuaries. Forages in small stream estuaries, with some juveniles in lower part of streams. Feeds on drifting and terrestrial insects and zooplankton. Migrates upstream in piedmont and montane zones for spawning and spawns in riffles with heavy current on gravel bottom. Threatened due to pollution, water abstraction and river regulation. Attains a maximum size of up to about 13 cm SL .

Scientific Name
Alburnus mentoides
Authority
Kessler, 1859
Habitat
Freshwater
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
EN
Max Length
13 cm
Lifespan
5 years
Trophic Level
2.8
Resilience
Medium
Vulnerability
34.00/100

🐟 Physical Description

Differs from its congeners in the Black Sea basin by the following characters: origin of anal fin about ½ -1½ scales behind last branched dorsal ray; scales on the lateral line 58-69 + 4; anal fin with 13-14½ branched rays; gill rakes 18-25; ventral keel exposed for 8-10 scales in front of anus; caudal peduncle depth 1.7-1.9 times in its length; nuptial males with few, large tubercles; and body with faint, dark midlateral stripe.: fusiform / normal.

🌀 Behaviour

Behavioural data for Alburnus Mentoides is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; brackish; benthopelagic. Temperate

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish
Trophic Level
2.8±0.3
Food Items

drifting and terrestrial insects and zooplankton

📐 Morphometrics

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

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
34.00/100
Low vulnerability
Trophic Level
2.8
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Kessler, 1859

🦠 Common Diseases

The following diseases are known to affect Alburnus Mentoides.

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