Lota lota (Linnaeus, 1758)

Burbot

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Gadiformes \| Lotidae
Synonyms	Gadus lota, Enchelyopus lota, Lota lota lota, ... more
Common names	Lotte de rivière, Lota, American burbot, ... more

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Picture by Keeley, E.R.

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Main reference

Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba. 1990. (Ref. 1371)
Other references | Biblio | Coordinator | Collaborators

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)

Environment

Demersal; potamodromous (Ref. 51243); freshwater; brackish; pH range: 7.5 - ? ; dH range: 18 - ?; depth range 1 - 700 m (Ref. 1998)

Climate / Range

Temperate; 4°C - 18°C (Ref. 2059); 78°N - 40°N, 180°W - 180°E

Circumarctic in freshwater.
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 - 79; Vertebrae: 50 - 67. 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).

The only member of the family which lives in freshwater. Crepuscular and nocturnal (Ref. 11941). Inhabit deep lakes and large rivers (Ref. 5723, 10294) with slow-moving current. Seek shelter under rocks, in crevices on the river banks, among roots of trees and dense vegetation (Ref. 30578, 10294). Those in rivers tend to congregate in deep holes throughout the year, except at spawning (Ref. 27547). Movements into shallower water during summer nights are related to feeding (Ref. 1998). Smaller individuals feed on insect larvae, crayfish, mollusks and other invertebrates with a changing preference for fishes in larger individuals (Ref. 1998, 10294). Source of oil. Sold mainly salted. Liver is sold smoked or canned in Europe (Ref. 1998). Processed into fishmeal (Ref. 1998). Because of its nocturnal habits and its slow movements, this fish is not very much appreciated by sport fishermen. Flesh is tasty but a little dry (Ref. 30578).


IUCN Red List Status (Ref. 57073)	Threat to humans
Least Concern (LC)	Harmless

Human uses
Fisheries: commercial; aquaculture: experimental; gamefish: yes; aquarium: public aquariums


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (K=0.05; tm=2-7; tmax=20)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Very high vulnerability (86 of 100)	Very high

Entered by Luna, Susan M.

Modified by Ortañez, Auda Kareen

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Page last modified by : elaxamana, 15 July 2009

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