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Brama brama, commonly known as the Atlantic Pomfret or Ray's Bream, is a pelagic marine fish belonging to the family Bramidae. It is characterized by its deep, compressed body, large eyes, and a single, long dorsal fin. This species is widely distributed in temperate and tropical waters of the Atlantic, Indian, and Pacific Oceans. It is an opportunistic predator, feeding on a variety of smaller fish, cephalopods, and crustaceans. Brama brama is commercially important in many regions and is known for its firm, white flesh.
Características físicas
- Formato do corpo
- compressed
- Coloração
- Adults are typically dark grey to blackish-brown dorsally, fading to silvery-grey on the flanks and belly. Fins are dark. Juveniles may have a lighter, more silvery appearance.
- Tipo de escama
- ctenoid
- Posição da boca
- terminal
- Características distintivas
- Deep, laterally compressed body, Large eyes, positioned high on the head, Single, long dorsal fin extending almost the entire length of the back, Long anal fin, similar in shape to the dorsal fin, Strongly forked caudal fin, Prominent keels on the caudal peduncle (less pronounced in juveniles), Rough, ctenoid scales covering the body and parts of the head
- Nadadeira dorsal
- Single, long dorsal fin with 36-40 soft rays, originating above the pectoral fin base and extending almost to the caudal peduncle. No spines.
- Nadadeira caudal
- Deeply forked caudal fin, with stiff, pointed lobes.
- Nadadeira peitoral
- Long, falcate (sickle-shaped) pectoral fins, typically reaching beyond the origin of the anal fin.
- Nadadeiras características
- Pelvic fins are small, located thoracically, beneath the pectoral fin base. Anal fin is long, with 29-35 soft rays, mirroring the dorsal fin in shape and length.
Dicas de identificação
Body Shape
Look for a very deep, compressed body profile, almost disc-like in larger individuals.
Fin Length
Note the exceptionally long dorsal and anal fins that run along most of the body length.
Eye Size
The eyes are notably large, indicative of its deep-water habitat and crepuscular/nocturnal feeding habits.
Coloration
The dark, almost blackish-brown dorsal coloration contrasting with silvery sides is characteristic.
Caudal Fin
The deeply forked tail is a key feature for identifying this fast-swimming pelagic predator.
Habitat
- Tipo de água
- saltwater
- Profundidade
- Primarily mesopelagic to epipelagic, typically found from the surface down to depths of 1000 meters (3,300 feet), but most commonly observed between 100-400 meters. Undertakes diurnal vertical migrations.
- Ambiente
- Oceanic, pelagic, occurring in open waters far from the coast. Often associated with continental slopes and seamounts, but also found in the open ocean.
- Distribuição geográfica
- Cosmopolitan in temperate and tropical waters of the Atlantic, Indian, and Pacific Oceans. In the Atlantic, it ranges from Norway and Iceland south to South Africa, including the Mediterranean Sea. In the Pacific, it is found from Alaska to Chile and across to Japan and Australia. In the Indian Ocean, it is widespread.
Informações sobre aquário
- Nível de cuidado: expert
- Temperamento: aggressive
- Alimentação: carnivore
- Tamanho mínimo do aquário: Not suitable for home aquaria due to its large size, pelagic nature, and specific environmental requirements. Requires specialized public aquarium facilities.
- Temperatura: 10-20°C (50-68°F)
- Nível de pH: 8.0-8.4
- Dureza da água: High (marine salinity)
- Compatibilidade: Not compatible with most other species in a typical aquarium setting due to its predatory nature and need for vast open spaces. May be kept in very large, specialized exhibits with other large, robust pelagic species.
- Requisitos especiais: Requires extremely large, deep, and open tank environments with strong filtration and water movement. Not a species for private aquarists.
Informações no ambiente natural
- Estado de conservação: least concern
- Sazonalidade: Availability can vary seasonally, often more abundant during specific migratory periods or when targeted by fisheries. Generally available year-round in some regions due to its wide distribution.
- Preço de mercado: Varies significantly by region and season, but generally commands a moderate to high price due to its desirable flesh.
- Importância comercial: high
- Sabor: Mild, slightly sweet, and rich.
- Textura: Firm, flaky, and moist.
- Métodos de preparo: Grilling, Baking, Frying, Steaming, Smoking
- Valor nutricional: Excellent source of lean protein, Omega-3 fatty acids, and various vitamins and minerals (e.g., Vitamin B12, selenium).
Fatos principais
Deep-Sea Migratorbehavior
Brama brama undertakes significant diurnal vertical migrations, moving to shallower waters at night to feed and descending to deeper, cooler waters during the day.
Warm-Blooded Fish?amazing
While not truly endothermic like tuna, Brama brama has adaptations, such as a countercurrent heat exchange system in its red muscle, that allow it to maintain a body temperature slightly warmer than the surrounding cold deep waters, enhancing its predatory efficiency.
Global Travelerinteresting
This species has one of the widest distributions among marine fish, inhabiting all major oceans, showcasing its adaptability to diverse pelagic environments.
Opportunistic Predatorbehavior
Its diet is highly varied, reflecting its opportunistic feeding strategy on whatever prey is available in the mesopelagic zone, including small fish, squid, and crustaceans.
Informações de segurança
Seguro- Nível de segurança: safe
- Venenoso: Não
- Comestibilidade: edible
- Observações de manuseio: No specific handling precautions are required beyond standard fish handling practices to avoid fin pricks or cuts from sharp scales. Not venomous or toxic.
Espécies similares
Bigscale Pomfret
Taractichthys longipinnis
Taractichthys longipinnis has much larger, more prominent scales and a more robust, less compressed body. Its dorsal and anal fins are also long but typically have a higher anterior lobe. The caudal fin lobes are often more elongated.
Pacific Pomfret
Brama japonica
Brama japonica is very similar to Brama brama and was historically often confused. Key differences are subtle morphological counts (e.g., vertebral count, fin ray counts) and genetic markers. B. japonica is primarily found in the North Pacific, while B. brama is more widespread globally, though their ranges can overlap.
Silver Pomfret
Pampus argenteus
Pampus argenteus (family Stromateidae) is a true pomfret but belongs to a different family. It has a much more rounded, almost circular body shape, very small scales, and lacks the prominent keels on the caudal peduncle. Its fins are also different in structure and length.
Classificação científica
- Reino
- Animalia
- Filo
- Chordata
- Classe
- Actinopterygii
- Ordem
- Scombriformes
- Família
- Bramidae
- Gênero
- Brama
- Espécie
- Brama brama
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