New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater Critically Endangered 🌡️ Subtropical

Corfu toothcarp

Valencia letourneuxi Sauvage, 1880
Max Length
8 cm
Max Weight
-
Lifespan
3 yrs
Trophic Level
3.2
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
14.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

A short-lived species. Adults inhabit swamps, lowland water courses with little current, lagoons, springs and associated wetlands . Can tolerate salinity of up to 4 ppt in the wild and 46 ppt under laboratory conditions, but prefer freshwater. They feed mainly on insects, especially chironomids . Threatened due to the introduction of other species and water abstraction . Not a seasonal killifish. Difficult to maintain in aquarium .

Scientific Name
Valencia letourneuxi
Authority
Sauvage, 1880
Habitat
Freshwater
Climate
Subtropical
IUCN Status
CR
Max Length
8 cm
Lifespan
3 years
Trophic Level
3.2
Resilience
High
Vulnerability
14.00/100
Migration
Non-migratory
Water Temp
15–24 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Anal soft rays: 11. Can be diagnosed from other species of Valenciidae, Fundulidae and Cyprinodontidae in Europe by the following characters: males bluish to greyish, possessing 1-14 darker bars narrower than or as wide as interspaces, not always distinct anteriorly, with iridescent spots; males with caudal fin hyaline to bluish, with or without dark posterior margin, and spots organized into 2-4 vertical rows; dorsal and anal fins of adult male not reaching caudal fin; 28-30 scales in midlateral series on body; anal fin usually with 11 rays; pectoral fin with 12-14 rays .

🌀 Behaviour

Behavioural data for Corfu toothcarp is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

Eggs are scattered among fine-feathered water plants. Young hatch after 16-20 days . Eggs of about 2-mm in diameter are laid probably in batches .

🌍 Habitat & Distribution

Freshwater; demersal; non-migratory. Subtropical; 15°C - 24°C ; 41°N - 39°N, 19°E - 22°E

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Non-migratory
Trophic Level
3.2±0.4
Food Items

insects, especially chironomids (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00479 × L3.14 (TL)
Max TL
8cm
Anal Rays
11

🌡️ Water Parameters & Tolerance

Temperature Range
15–24°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
14.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Subtropical
Described By
Sauvage, 1880

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Corfu toothcarp ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.