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Micropterus salmoides, commonly known as the Largemouth Bass, is a freshwater ray-finned fish, a species of black bass in the sunfish family Centrarchidae. It is the state fish of Alabama, Florida, Georgia, Mississippi, and Tennessee. It is an apex predator in its native range and has been widely introduced globally for sport fishing, often becoming an invasive species.
Características físicas
- Formato do corpo
- torpedo
- Coloração
- Typically dark green to olive green on the back, fading to lighter green or yellowish-white on the sides and belly. A prominent, irregular, horizontal dark stripe or series of blotches runs along the lateral line from the operculum to the caudal fin. Coloration can vary significantly based on habitat and water clarity.
- Tipo de escama
- ctenoid
- Posição da boca
- terminal
- Características distintivas
- Large mouth, with the upper jaw extending beyond the posterior margin of the eye when closed., Deeply notched dorsal fin, appearing almost as two separate fins., Lateral line with 59-70 scales., Typically 6-8 dorsal spines and 12-13 dorsal soft rays; 3 anal spines and 10-11 anal soft rays.
- Nadadeira dorsal
- Deeply notched, almost separated into a spiny anterior portion (6-8 spines) and a soft-rayed posterior portion (12-13 rays).
- Nadadeira caudal
- Slightly forked, typically dark with some lighter mottling.
- Nadadeira peitoral
- Relatively small, clear to slightly dusky.
- Nadadeiras características
- The deeply notched dorsal fin is a key distinguishing feature among black basses.
Dicas de identificação
Mouth Size
The most definitive feature: the upper jaw extends past the rear margin of the eye when the mouth is closed. This distinguishes it from the Smallmouth Bass (Micropterus dolomieu) where the jaw typically does not extend past the eye.
Dorsal Fin
The dorsal fin is deeply notched, almost appearing as two separate fins. The spiny and soft-rayed portions are clearly distinct.
Lateral Stripe
A prominent, often broken or blotchy, dark horizontal stripe runs along the lateral line. This stripe is usually more distinct than in other black bass species.
Scales on Cheek
Scales on the cheek are typically smaller than those on the operculum.
Habitat
- Tipo de água
- freshwater
- Profundidade
- Typically found in shallow to moderate depths (1-20 feet), but can inhabit deeper waters depending on temperature and prey availability.
- Ambiente
- Prefers warm, clear, vegetated lakes, ponds, reservoirs, and slow-moving rivers. Often associated with submerged vegetation, fallen trees, rock piles, and other structures that provide cover for ambush predation. Tolerant of a wide range of water conditions, including some turbidity and lower oxygen levels.
- Distribuição geográfica
- Native to eastern and central North America, from the Great Lakes basin and the St. Lawrence River in Canada, south through the Mississippi River basin to the Gulf Coast, and east to the Atlantic seaboard. Widely introduced globally, including throughout the United States, Mexico, Central and South America, Africa, Europe, and Asia.
Informações sobre aquário
- Nível de cuidado: advanced
- Temperamento: aggressive
- Alimentação: carnivore
- Tamanho mínimo do aquário: 200 gallons (for a single adult)
- Temperatura: 65-75°F (18-24°C)
- Nível de pH: 6.5-7.5
- Dureza da água: 5-15 dGH
- Compatibilidade: Not suitable for community tanks. Best kept alone or with very large, robust, and equally aggressive species in extremely large aquariums.
- Requisitos especiais: Requires a very large tank with ample swimming space and hiding spots. Excellent filtration is crucial due to their large size and messy eating habits. Live or frozen meaty foods are essential. Not recommended for typical home aquarists due to size and predatory nature.
Informações no ambiente natural
- Estado de conservação: least concern
- Sazonalidade: Spawning occurs in spring (March-June) when water temperatures reach 60-70°F (15-21°C). Feeding activity is highest in warmer months and decreases in winter.
- Preço de mercado: N/A (primarily a sport fish, not commercially harvested for food)
- Importância comercial: low
- Sabor: Mild, flaky white meat
- Textura: Firm, non-oily
- Métodos de preparo: frying, baking, grilling
- Valor nutricional: Good source of protein, low in fat. Contains Omega-3 fatty acids.
Fatos principais
Top Predatorbehavior
Largemouth Bass are apex predators in most of their native and introduced habitats, consuming a wide variety of prey including fish, crustaceans, insects, and even small mammals, birds, and reptiles.
Parental Carebehavior
Male Largemouth Bass construct nests, guard the eggs, and protect the fry for several weeks after hatching, exhibiting strong parental care.
Sport Fishing Iconinteresting
The Largemouth Bass is arguably the most popular freshwater game fish in North America, supporting a massive recreational fishing industry.
Growth Ratebehavior
Growth rates are highly variable depending on environmental conditions and food availability. In optimal conditions, they can reach 10-12 inches in their first year.
State Fishinteresting
The Largemouth Bass is the official state fish of five U.S. states: Alabama, Florida, Georgia, Mississippi, and Tennessee.
Informações de segurança
Seguro- Nível de segurança: safe
- Venenoso: Não
- Comestibilidade: edible
- Observações de manuseio: Largemouth Bass possess sharp dorsal and anal fin spines, which can cause painful punctures. Handle with care, especially when removing hooks. Use a lip-gripping tool or grasp the lower jaw firmly to control the fish. Avoid direct contact with the spiny fins.
Espécies similares
Smallmouth Bass
Micropterus dolomieu
Upper jaw does not extend past the posterior margin of the eye. Body coloration is typically more bronze or brown with vertical bars rather than a horizontal stripe. Dorsal fin notch is less pronounced.
Spotted Bass
Micropterus punctulatus
Upper jaw extends to or slightly beyond the posterior margin of the eye, but not as far as the Largemouth Bass. Has rows of dark spots below the lateral line, forming a diamond pattern. A patch of teeth is present on the tongue (absent in Largemouth Bass). Dorsal fin notch is less pronounced than Largemouth Bass.
Florida Bass
Micropterus floridanus
Formerly considered a subspecies of Largemouth Bass (Micropterus salmoides floridanus). Morphologically very similar to the Northern Largemouth Bass (Micropterus salmoides salmoides), but typically grows larger and has a higher number of lateral line scales (69-73 vs. 59-69). Genetic analysis is often required for definitive identification.
Classificação científica
- Reino
- Animalia
- Filo
- Chordata
- Classe
- Actinopterygii
- Ordem
- Centrarchiformes
- Família
- Centrarchidae
- Gênero
- Micropterus
- Espécie
- Micropterus salmoides
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