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💧 Freshwater Near Threatened 🐠 Aquarium 🌡️ Subtropical

Bordallo

Squalius carolitertii Doadrio, 1988
Max Length
25 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Subtropical
Resilience
Very low
Vulnerability
60.00/100
Typical Length
13.6 cm
Depth Zone
-

📖 Overview

Adults inhabit hill streams to middle stretches of rivers . They occur in rivers on the low plains and at high attitudes. Can withstand low levels of oxygen during summer. Juveniles are omnivorous whereas adults feed on arthropods and other animals . Reported to feed on fry of other fish species. Involved in the Iberocypris alburnoides hybrid complex . Threatened due to habitat destruction, pollution and the introduction of other species .

Scientific Name
Squalius carolitertii
Authority
Doadrio, 1988
Habitat
Freshwater
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
NT
Max Length
25 cm
Trophic Level
3.4
Resilience
Very low
Vulnerability
60.00/100
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 - 9; Vertebrae: 39 - 41. Mouth subterminal, snout rounded; head length about equal to maximum body depth; infraorbitals 4 and 5 expanded; communication preopercular-mandibular and infraorbital canals present; supraethmoid narrow and short . Diagnosed from its congeners in Iberian Peninsula by the following characters: scales on lateral line 39-44 + 2-3; 3-4½ scale rows between lateral line and pelvic fin origin; infraorbital bones narrow, width of infraorbitals 2 and 5 about 2 times width of sensory canal on same bones; snout rounded, mouth subterminal; and head length about equal to body depth .: fusiform / normal.

🌀 Behaviour

Behavioural data for Bordallo is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

Interspecific hybridization occurs between males of L. carolitertii and females of L. alburnoides.

🌍 Habitat & Distribution

Freshwater; benthopelagic; potamodromous . Subtropical; 44°N - 36°N

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Potamodromous
Trophic Level
3.4±0.38
Food Items

arthropods and other animals (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00794 × L3.11 (TL)
Max TL
25cm
Dorsal Spines
3
Dorsal Rays
8
Anal Spines
3
Anal Rays
8
Vertebrae
40

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
60.00/100
High vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Doadrio, 1988

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