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💧 Freshwater Endangered 🌡️ Subtropical

Squalius Torgalensis

Squalius torgalensis Pereira, 1998
Max Length
11.8 cm
Max Weight
Lifespan
Trophic Level
3.2
Depth
Climate
Subtropical
Resilience
Medium
Vulnerability
32.00/100
Typical Length
Depth Zone

📖 Overview

An ubiquitous species which inhabits small to medium-sized streams. May be confined to very small pools during summer. Breeding occurs in shallow riffle habitats with fast-flowing water . Migration pattern is inferred from the behavior of other species in the same genus .

Scientific Name
Squalius torgalensis
Authority
Pereira, 1998
Habitat
Freshwater
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
EN
Max Length
11.8 cm
Trophic Level
3.2
Resilience
Medium
Vulnerability
32.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 3; Dorsal soft rays (total): 7 - 9; Anal spines: 3; Anal soft rays: 6 - 8; Vertebrae: 36 - 37. Mouth terminal; preopercular-mandibular cephalic sensory canal does not communicate with infraorbital canal; infraorbitals four and five considerably large, often fused ; 34-39 + 2 scales on lateral line, snout pointed; head length greater than body depth; a black dot on each scale; and 1½ -2½ scale rows between lateral line and pelvic origin .: fusiform / normal.

🌀 Behaviour

Behavioural data for Squalius Torgalensis is currently being reviewed.

🦐 Diet

Diet information for Squalius Torgalensis is currently being compiled.

🥚 Reproduction

Reproduction data for Squalius Torgalensis is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic; potamodromous . Subtropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Potamodromous
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00813 × L3.13 (TL)
Max TL
11.8cm
Dorsal Spines
3
Dorsal Rays
8
Anal Spines
3
Anal Rays
7
Vertebrae
37

🌡️ 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
32.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Pereira, 1998

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