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💧 Freshwater Extinct 🌡️ Subtropical

Salmo Pallaryi

Salmo pallaryi Pellegrin, 1924
Max Length
28.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
41.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

It feeded on amphipod crustaceans and insects . Salmo pallaryi most probably spawned during late summer or early autumn . Supposed extinction of S. pallaryi was probably caused by altering trophic condition as a result of introduction of Cyprinus carpio in 1934 to Lake Sidi Ali .

Scientific Name
Salmo pallaryi
Authority
Pellegrin, 1924
Habitat
Freshwater
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
EX
Max Length
28.1 cm
Trophic Level
3.5
Resilience
Medium
Vulnerability
41.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 12 - 16; Anal spines: 0; Anal soft rays: 12 - 16; Vertebrae: 56 - 59. Diagnosis: Salmo pallaryi differs from all other Salmo species and archaic trouts, except for S. platycephalus, by the overall dusky brown or blackish colour pattern, without contrasting colouration on trunk and fins in adults; it is most easily distinguished from S. platycephalus by the deep and narrow, sometimes pointed snout and large orbit, 25-31% of head length vs. the broad and flat snout and small orbit, 22% of head length, and more numerous scales, usually 18-20 vs. 16, between adipose fin and lateral line; it differs further in having number of anal fin pterygiophores 12-14, other Salmo species and archaic trouts have 10-12 . : fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Salmo Pallaryi 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; pelagic. Subtropical known from Lake Aguelman de Sidi Ali in Morocco (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.5±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01047 × L3.03 (TL)
Max TL
28.1cm
Dorsal Rays
14
Anal Rays
14
Vertebrae
58

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Extinct
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
41.00/100
Moderate vulnerability
Trophic Level
3.5
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Pellegrin, 1924

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