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💧 Freshwater Endangered 🌡️ Temperate

Squalius Castellanus

Squalius castellanus Doadrio, Perea & Alonso, 2007
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
50.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Squalius Castellanus (Squalius castellanus), first described by Doadrio, Perea & Alonso, 2007 is a fish in the family Cyprinidae (order Cypriniformes). It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Temperate 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 castellanus
Authority
Doadrio, Perea & Alonso, 2007
Habitat
Freshwater
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
EN
Trophic Level
3.3
Resilience
Medium
Vulnerability
50.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🐟 Physical Description

Differs from other Iberian Squalius species by a combination of the following characters: wide infraorbital bones that do not cover the adductor mandibulae muscle; scales on the upper transversal line 7; lateral line scales 39-42 (mean 39.8); a short and wide head, 4.3-4.9 (mean = 4.5) times the standard length; pectoral-ventral length, reaching 2.2-2.4 (mean = 2.3) times the standard length .: fusiform / normal.

🌀 Behaviour

Behavioural data for Squalius Castellanus 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; potamodromous . Temperate

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Potamodromous
Trophic Level
3.3±0.4

📐 Morphometrics

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

🌡️ 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
50.00/100
Moderate-High vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Doadrio, Perea & Alonso, 2007

🦠 Common Diseases

The following diseases are known to affect Squalius Castellanus.

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