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Pogonias cromis, commonly known as the Black Drum, is the largest species in the Sciaenidae family (drums and croakers). It is a robust, bottom-dwelling fish characterized by its high, arched back and numerous barbels on its chin. Known for its distinctive 'drumming' sound produced by vibrating muscles against its swim bladder, it is a popular target for both commercial and recreational fisheries. This species exhibits a wide range of coloration depending on age and habitat, from silvery-gray to dark bronze or black.
Características físicas
- Formato do corpo
- elongated
- Coloração
- Adults are typically silvery-gray to dark bronze or black, often with a lighter belly. Juveniles have 4-5 prominent dark vertical bars on their sides, which fade with age. The fins are usually dusky.
- Tipo de escama
- ctenoid
- Posição da boca
- inferior
- Características distintivas
- Numerous small barbels (whiskers) on the chin, used for sensing food on the bottom., High, arched back, giving it a somewhat humped appearance., Large, pavement-like pharyngeal teeth for crushing shells., Prominent drumming sound produced by males during spawning.
- Nadadeira dorsal
- Two dorsal fins; the first is spiny with 10-11 spines, and the second is soft-rayed with 19-22 rays. A deep notch separates the two.
- Nadadeira caudal
- Slightly emarginate to truncate (straight or slightly indented).
- Nadadeira peitoral
- Relatively short and rounded.
- Nadadeiras características
- Anal fin has 2 spines and 5-7 soft rays. Pelvic fins are thoracic.
Dicas de identificação
Chin Barbels
The most distinguishing feature is the presence of numerous small, whisker-like barbels on the underside of the chin. No other large drum species in its range has as many or as prominent barbels.
Body Shape and Coloration
Adults have a deep, robust body with a high, arched back and a dark, often uniform, coloration (silvery-gray to black). Juveniles have distinct vertical bars that fade with age.
Size
Can grow to very large sizes, often exceeding 50 pounds (23 kg) and occasionally over 100 pounds (45 kg), making it the largest drum species.
Pharyngeal Teeth
While not externally visible, their large, crushing pharyngeal teeth are unique among drums and adapted for their mollusk-heavy diet.
Habitat
- Tipo de água
- saltwater
- Profundidade
- Typically found in shallow coastal waters, estuaries, bays, and lagoons, from just a few feet to depths of about 30 meters (100 feet).
- Ambiente
- Prefers soft, muddy, or sandy bottoms where it can forage for benthic invertebrates. Often found near oyster beds, jetties, pilings, and other structures. Tolerant of a wide range of salinities, from nearly fresh to full oceanic salinity.
- Distribuição geográfica
- Western Atlantic Ocean, from Nova Scotia, Canada, south along the U.S. coast, throughout the Gulf of Mexico, and along the coast of Central and South America to Argentina.
Informações sobre aquário
- Nível de cuidado: expert
- Temperamento: semi-aggressive
- Alimentação: carnivore
- Tamanho mínimo do aquário: 1000 gallons
- Temperatura: 18-26°C (65-79°F)
- Nível de pH: 7.8-8.4
- Dureza da água: 1.020-1.025 SG
- Compatibilidade: Generally not suitable for home aquaria due to its large size and specialized feeding habits. Can be kept in very large public aquariums with other large, robust marine species.
- Requisitos especiais: Requires a very large, well-filtered marine aquarium with a soft substrate for foraging. Diet must consist of a variety of live and frozen invertebrates. Not typically kept by hobbyists.
Informações no ambiente natural
- Estado de conservação: least concern
- Sazonalidade: Spawning typically occurs in late winter and early spring (February-May) in coastal waters and estuaries. Availability for fishing can vary seasonally, with higher concentrations in certain areas during spawning migrations.
- Preço de mercado: Moderate to high, depending on region and size.
- Importância comercial: high
- Sabor: Mild, sweet, and flaky.
- Textura: Firm, white flesh.
- Métodos de preparo: Baking, Grilling, Frying, Broiling, Steaming
- Valor nutricional: Good source of lean protein, omega-3 fatty acids, and essential vitamins and minerals.
Fatos principais
The Drumming Soundbehavior
Male Black Drum produce a distinctive 'drumming' or 'croaking' sound, especially during spawning season, by vibrating specialized muscles against their swim bladder. This sound can be heard both above and below the water.
Shell Crusherinteresting
Black Drum possess powerful, pavement-like pharyngeal teeth in their throats, perfectly adapted for crushing the shells of oysters, clams, mussels, and crabs, which form a significant part of their diet.
Largest of the Drumsrecord
Pogonias cromis is the largest species within the Sciaenidae family, with individuals capable of reaching over 100 pounds (45 kg) and lengths exceeding 1.5 meters (5 feet).
Age and Growthinteresting
Black Drum are long-lived fish, with some individuals documented to live for over 50 years. Their growth rate slows significantly after reaching maturity.
Juvenile Camouflagebehavior
Young Black Drum have striking vertical bars that help them camouflage in shallow, vegetated nursery habitats, providing protection from predators. These bars fade as they mature.
Informações de segurança
Seguro- Nível de segurança: safe
- Venenoso: Não
- Comestibilidade: edible
- Observações de manuseio: Black Drum have strong, spiny dorsal and anal fins. Care should be taken when handling to avoid punctures. Their large size can also make them difficult to manage. No venomous spines.
Espécies similares
Red Drum
Sciaenops ocellatus
Red Drum typically have a coppery-red coloration and a distinctive black spot (or multiple spots) at the base of the tail. They lack the numerous chin barbels of the Black Drum. Their body shape is generally more streamlined.
Atlantic Croaker
Micropogonias undulatus
Atlantic Croakers are much smaller, typically silvery with oblique wavy lines on their sides. They have a few small barbels on their chin, but not the extensive array seen on the Black Drum. Their mouth is more terminal.
Spot
Leiostomus xanthurus
Spot are smaller, silvery fish with a prominent black spot behind the gill cover and oblique dark bars on their upper sides. They lack chin barbels entirely.
Classificação científica
- Reino
- Animalia
- Filo
- Chordata
- Classe
- Actinopterygii
- Ordem
- Acanthuriformes
- Família
- Sciaenidae
- Gênero
- Pogonias
- Espécie
- Pogonias cromis
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