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💧 Freshwater Vulnerable 🌡️ Temperate

South European Nase

Protochondrostoma genei Bonaparte, 1839
Max Length
30 cm
Max Weight
Lifespan
Trophic Level
2.7
Depth
Climate
Temperate
Resilience
Medium
Vulnerability
43.00/100
Typical Length
15 cm
Depth Zone

📖 Overview

Found in middle reaches of rivers and main tributaries, in piedmont, with moderate to swift current, over gravel bottom. Occurs in groups. Omnivorous, feeding mainly on aquatic insects and epilithic algae. Undertakes small spawning migration in large groups towards main tributaries. Spawns in swift current on gravel . Reported to spawn in March-May and in May-June . Threatened due to the introduction of other species and habitat destruction .

Scientific Name
Protochondrostoma genei
Authority
Bonaparte, 1839
Habitat
Freshwater
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
VU
Max Length
30 cm
Trophic Level
2.7
Resilience
Medium
Vulnerability
43.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

The only species in genus which differs from species of Chondrostoma in Apennine Peninsula by having broad dark midlateral stripe from head to caudal base, arched mouth, lower lip with thin but well developed cornified sheath, 50-62 scales along lateral line; 8½ branched dorsal rays, 14-19 gill rakers, slender body, depth 20-27% SL, and pectoral, pelvic, anal and caudal fins at least with red basis .: fusiform / normal.

🌀 Behaviour

Behavioural data for South European Nase is currently being reviewed.

🦐 Diet

Diet information for South European Nase is currently being compiled.

🥚 Reproduction

Reproduction data for South European Nase is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Temperate; 48°N - 42°N, 4°E - 15°E

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.7±0.28

📐 Morphometrics

Length–Weight Relationship: W = 0.00724 × L3.14 (TL)
Max TL
30cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
43.00/100
Moderate vulnerability
Trophic Level
2.7
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Bonaparte, 1839

🌐 Names & Taxonomy

Language Common Names
🇬🇧English South European Nase · lasca
🌍CES Ostroretka italská · Ostroretka lau
🇩🇰Danish Sydeuropæisk næsling
🇩🇪German Lau
🇫🇮Finnish Huulisärki
🇮🇹Italian Lasca
🇵🇱Polish Swinka genuenska
🇷🇺Russian Генуэзский подуст · Западноевропейский подуст
🌍SLV Primorska podust

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 3 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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