Classification / Names
Common names from other countries
Main reference
Size / Weight / Age
Max length : 152 cm TL male/unsexed; (Ref. 27547); common length : 40.0 cm TL male/unsexed; (Ref. 1371); max. published weight: 34.0 kg (Ref. 27547); max. reported age: 20 years (Ref. 556)
Length at first maturity
Lm ?, range 35 - 40 cm
Environment
Freshwater; brackish; demersal; pH range: 7.5 - ? ; dH range: 18 - ?; potamodromous (Ref. 59043); depth range 1 - 700 m (Ref. 1998)
Climate / Range
Temperate; 4°C - 18°C (Ref. 2059), preferred ?; 78°N - 40°N, 180°W - 180°E
Distribution
Circumarctic in freshwater (Ref. 1371). Europe: Loire drainage, France eastward to White, Barents and Arctic Sea basins; upper Volga drainage; western Caspian basin; rivers draining to Black Sea; Rhône drainage (France); in Italy native only in Po drainage; eastrward England (now extirpated). In Siberia eastward to River Lena. Reported that populations from eastern Siberia and North America belong to a different species, Lota maculosa (Ref. 59043).
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Short description
Dorsal
spines
(total): 0;
Dorsal
soft rays
(total): 67-96;
Anal
spines: 0;
Anal
soft rays: 58 - 84;
Vertebrae: 50 - 67. Diagnosed from all other freshwater fishes in Europe by its pelvic fin origin anterior to pectoral fin origin and by having one central barbel on lower jaw (Ref. 59043). Distinguished by the long second dorsal fin, at least 6 times as long as the first, and a single barbel on the chin (Ref. 27547). Gill rakers short (Ref. 27547). First dorsal short; second dorsal and anal fins joined to caudal; pectorals short and rounded; caudal rounded (Ref. 27547), with 40 rays (Ref. 2196). Color is yellow, light tan to brown with a pattern of dark brown or black on the body, head and fins (Ref. 1371). Pelvic fins pale, others dark and mottled (Ref. 27547).
IUCN Red List Status (Ref. 115185)
Threat to humans
Harmless
Human uses
Fisheries: commercial; aquaculture: experimental; gamefish: yes; aquarium: public aquariums
Tools
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Internet sources
Estimates of some properties based on models
Phylogenetic diversity index
PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
Trophic Level
3.8 ±0.2 se; Based on diet studies.
Resilience
Low, minimum population doubling time 4.5 - 14 years (K=0.05; tm=2-7; tmax=20)
Vulnerability
High to very high vulnerability (66 of 100)
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