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💧 Freshwater Endangered 🌡️ Subtropical

Squalius Albus

Squalius albus Bonaparte, 1838
Max Length
20 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
40.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Squalius Albus (Squalius albus), first described by Bonaparte, 1838 is a medium-sized fish in the family Cyprinidae (order Cypriniformes). Adults typically reach 20.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Subtropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Endangered.

Scientific Name
Squalius albus
Authority
Bonaparte, 1838
Habitat
Freshwater
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
EN
Max Length
20 cm
Trophic Level
3.3
Resilience
Medium
Vulnerability
40.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Diagnosed from its congeners in Apennine Peninsula by the following characters: body depth 19-23% SL; snout pointed; dorsal fin with 8½ branched rays; anal fin with 9½ branched rays; 42-46 + 2-3 scales on lateral line; very faint black pigments along free margin of flank scales above lateral line; head length 24-27% SL, greater than body depth; head width 43-48% HL; mouth terminal; anal and pelvic fins hyaline to black .: fusiform / normal.

🌀 Behaviour

Behavioural data for Squalius Albus 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. Subtropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00813 × L3.13 (TL)
Max TL
20cm

🌡️ 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
40.00/100
Moderate vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Bonaparte, 1838

🦠 Common Diseases

The following diseases are known to affect Squalius Albus.

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