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Apri l'appDescrizione
Lota lota, commonly known as the Burbot, is the only freshwater species of the cod family (Gadidae). It is a cold-water, demersal fish characterized by its elongated, eel-like body, a single prominent barbel on its chin, and two dorsal fins. It is primarily nocturnal and prefers clear, cold, oxygen-rich waters. Its cryptic coloration provides excellent camouflage against the riverbed or lake bottom.
Caratteristiche fisiche
- Forma del corpo
- eel-like
- Colorazione
- Mottled brown, olive, or yellowish-brown on the dorsal side, fading to a lighter, often yellowish or whitish belly. Darker spots and blotches are irregularly distributed over the body, providing camouflage.
- Tipo di squame
- cycloid
- Posizione della bocca
- terminal
- Caratteristiche distintive
- Single prominent barbel on the chin, Two dorsal fins (first short, second long), Long anal fin, Small, embedded scales, Broad, flattened head
- Pinna dorsale
- Two dorsal fins; the first is short with 8-16 rays, the second is long, extending almost to the caudal fin, with 60-79 rays.
- Pinna caudale
- Rounded caudal fin, distinct from the dorsal and anal fins.
- Pinna pettorale
- Large, rounded pectoral fins, positioned low on the body.
- Pinne distintive
- Pelvic fins are jugular (located anterior to the pectoral fins) and elongated, with 6-8 rays.
Consigli per l'identificazione
Chin Barbel
The single, prominent barbel on the chin is a key distinguishing feature, unique among freshwater fish in its range.
Dorsal Fins
Two distinct dorsal fins, with the second being notably long, almost reaching the tail.
Body Shape
Its elongated, eel-like body, combined with the mottled coloration, helps differentiate it from other bottom-dwelling fish.
Pelvic Fins
The jugular (throat-positioned) pelvic fins are another characteristic of the cod family.
Habitat
- Tipo di acqua
- freshwater
- Profondità
- Typically found in deeper sections of lakes and rivers, often near the bottom, but can be found in shallower areas during spawning.
- Ambiente
- Prefers clear, cold, well-oxygenated waters of large rivers and deep lakes. Often associated with rocky or gravelly substrates, but also found in areas with sand and silt, especially where there are submerged structures or vegetation for cover. Highly tolerant of low light conditions.
- Areale geografico
- Circumpolar distribution in the Northern Hemisphere, including North America (Canada, Alaska, northern US states), Europe (Scandinavia, Russia, Central Europe), and Asia (Siberia). Its southern range limits are often defined by water temperature.
Informazioni sull'acquario
- Livello di cura: advanced
- Temperamento: semi-aggressive
- Dieta: carnivore
- Dimensione minima della vasca: 200 gallons
- Temperatura: 35-60°F (2-15°C)
- Livello di pH: 6.5-8.0
- Durezza: 5-20 dGH
- Compatibilità: Best kept in a species-specific tank or with other large, cold-water, non-aggressive fish that cannot be consumed. Avoid small fish or those that require warmer temperatures.
- Requisiti speciali: Requires a large, well-filtered tank with excellent oxygenation and stable cold temperatures. Substrate should be soft (sand or fine gravel) with plenty of hiding places (rocks, driftwood, PVC pipes). Dim lighting is preferred due to their nocturnal nature. They are sensitive to poor water quality and elevated temperatures.
Informazioni in natura
- Stato di conservazione: least concern
- Stagionalità: Spawns in winter (December-March). Best fished in colder months when they are more active and concentrated.
- Prezzo di mercato: Varies regionally, generally moderate to high in areas where it is fished commercially.
- Importanza commerciale: medium
- Sapore: Mild, flaky, white flesh, often compared to cod or lobster.
- Consistenza: Firm, delicate, and non-oily.
- Metodi di cottura: Boiling, Steaming, Baking, Frying, Poaching
- Valore nutrizionale: Good source of protein, omega-3 fatty acids, and vitamins (e.g., B12, D).
Fatti chiave
Only Freshwater Codinteresting
The Burbot (Lota lota) is the sole freshwater representative of the otherwise marine cod family (Gadidae).
Nocturnal Predatorbehavior
Burbot are primarily nocturnal predators, using their keen sense of smell and the chin barbel to locate prey in low light conditions.
Winter Spawnersbehavior
Unlike most freshwater fish, Burbot spawn in the winter, often under ice, in shallow, gravelly areas.
Cold Water Specialistsbehavior
They are highly adapted to cold water environments and are intolerant of warm temperatures, which limits their southern distribution.
"Poor Man's Lobster"interesting
Due to its firm, white, flaky flesh and mild taste, burbot is often referred to as "poor man's lobster" when cooked, particularly when boiled or steamed.
Informazioni di sicurezza
Sicuro- Livello di sicurezza: safe
- Velenoso: No
- Commestibilità: edible
- Note sul maneggio: Burbot are not venomous and do not possess sharp spines that pose a significant threat. They can be quite slippery due to a protective mucus layer. Handle carefully to avoid injury to the fish and to prevent it from slipping from your grasp. They are generally docile when handled.
Specie simili
Eels (Anguilla spp.)
Anguilla anguilla (European Eel), Anguilla rostrata (American Eel)
Eels have a single, continuous dorsal, caudal, and anal fin, forming a continuous fringe around the posterior body. Burbot have distinct, separate dorsal, caudal, and anal fins. Eels lack the prominent chin barbel of the burbot.
Sculpins (Cottus spp.)
Cottus gobio (European Bullhead), Cottus bairdi (Mottled Sculpin)
Sculpins have large, broad heads and tapering bodies, but lack the elongated, eel-like body and the single chin barbel of the burbot. Their dorsal fins are typically spiny and soft-rayed, but not as distinctly separated or elongated as the burbot's.
Loaches (Cobitidae family)
Various species (e.g., Barbatula barbatula - Stone Loach)
Loaches typically have multiple barbels around the mouth, not a single chin barbel. Their body shape can be elongated, but their fin structure and overall head morphology differ significantly from the burbot.
Classificazione scientifica
- Regno
- Animalia
- Phylum
- Chordata
- Classe
- Actinopterygii
- Ordine
- Gadiformes
- Famiglia
- Gadidae
- Genere
- Lota
- Specie
- Lota lota
Esplora Burbot
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