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💧 Freshwater Critically Endangered 🌡️ Temperate

Salmo Ezenami

Salmo ezenami Berg, 1948
Max Length
113 cm
Max Weight
17.0 kg
Lifespan
-
Trophic Level
3.8
Depth
-
Climate
Temperate
Resilience
Very low
Vulnerability
59.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Inhabits mountain lake (Lake Kezenoi-am) with altitude of 1870 m above sea level, with a maximum depth of 74 m, temperature about 5° C below 20 m and 5-18° C in upper layers in summer, covered by ice in winter, high oxygen concentrations down to bottom throughout the year and low plankton density. This was the only fish inhabiting the lake prior to the introduction of Gobio holurus and Squalius cephalus. Young juveniles feed predominantly on gammarids, chironomid larvae; larger juveniles and adults prey on molluscs, benthic invertebrates and fry; largest individuals are mostly piscivorous, especially since the introduction of Gobio holurus. Spawns in lake, close to underwater springs. Large-sized individuals probably undertake migration to tributaries. Spawning extends over almost entire year. Threatened due to the introduction of Squalius cephalus, which feeds on its fry .

Scientific Name
Salmo ezenami
Authority
Berg, 1948
Habitat
Freshwater
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
CR
Max Length
113 cm
Max Weight
17 kg
Trophic Level
3.8
Resilience
Very low
Vulnerability
59.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Distinguished from congeners in Caspian Sea basin by having the following unique characters: 16-21 short and broad gill rakers, without denticles, in large individuals sometimes slightly expanded at tip; maxilla not reaching posterior margin of eye; and bright coloration comprising of 10-30 relatively large (6-7 mm in diameter) carmine red spots above lateral line, small black spots on back, red spots on dorsal, upper caudal lobe, and adipose fins .: fusiform / normal.

🌀 Behaviour

Behavioural data for Salmo Ezenami is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 🪺 Nest Builder 🛡️ Egg Guarder
Spawning Season
spring
Spawn Location
Nest
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Temperate

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.8±0.5
Food Items

its fry (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01047 × L3.03 (TL)
Max TL
113cm
Max Weight
17,000g

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2008

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
59.00/100
High vulnerability
Trophic Level
3.8
Predator
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Berg, 1948

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