Tem uma foto? Identifique peixes instantaneamente com o app Fishby.
Abrir o appDescrição
Eugerres brasilianus, commonly known as the Brazilian Mojarra or Jerere, is a species of ray-finned fish in the family Gerreidae. It is a demersal fish typically found in coastal marine and brackish waters, often associated with sandy or muddy bottoms. This species is characterized by its silvery body, protrusible mouth, and relatively deep body. It plays an important ecological role as a benthic feeder and is of minor commercial importance in some regions.
Características físicas
- Formato do corpo
- compressed
- Coloração
- Overall silvery, often with faint dusky vertical bars on the flanks, which may fade after capture. Fins are typically translucent to dusky. The dorsal fin may have a dark margin.
- Tipo de escama
- ctenoid
- Posição da boca
- inferior
- Características distintivas
- Highly protrusible mouth, forming a downward-pointing tube when extended., Deep, compressed body., Large, silvery scales., A prominent, deeply notched dorsal fin., Pectoral fins are long and pointed.
- Nadadeira dorsal
- Single dorsal fin, deeply notched, with 9-10 spines and 10-11 soft rays. The anterior spines are typically longer.
- Nadadeira caudal
- Moderately forked caudal fin.
- Nadadeira peitoral
- Long and pointed, reaching beyond the anus in adults.
- Nadadeiras características
- Pelvic fins are thoracic, with one spine and five soft rays. Anal fin has 3 spines and 7-8 soft rays.
Dicas de identificação
Mouth
Observe the highly protrusible mouth, which can extend significantly downwards, forming a tube for feeding on benthic organisms. This is a key characteristic of the Gerreidae family.
Body Shape and Coloration
Note the deep, compressed, silvery body. Look for faint, dusky vertical bars on the flanks, though these can be indistinct or fade quickly.
Dorsal Fin
Examine the single, deeply notched dorsal fin with prominent spines, particularly the longer anterior ones.
Pectoral Fins
The long, pointed pectoral fins that extend past the anus are a good distinguishing feature.
Scales
The large, silvery ctenoid scales are characteristic.
Habitat
- Tipo de água
- brackish
- Profundidade
- Typically found in shallow coastal waters, from the surf zone to depths of about 50 meters (164 feet).
- Ambiente
- Prefers sandy or muddy bottoms in estuaries, lagoons, coastal bays, and nearshore marine environments. Often found in areas with seagrass beds or mangrove roots. Tolerant of a wide range of salinities.
- Distribuição geográfica
- Western Atlantic Ocean, from Florida (USA) and the Gulf of Mexico, throughout the Caribbean Sea, and along the coast of South America down to southern Brazil.
Informações sobre aquário
- Nível de cuidado: intermediate
- Temperamento: peaceful
- Alimentação: omnivore
- Tamanho mínimo do aquário: 150 gallons
- Temperatura: 22-28°C (72-82°F)
- Nível de pH: 7.5-8.5
- Dureza da água: 10-25 dGH
- Compatibilidade: Generally compatible with other peaceful, similarly sized brackish or marine fish. Avoid highly aggressive or very small tank mates.
- Requisitos especiais: Requires a sandy substrate for foraging, good filtration, and stable brackish to marine conditions. Can be sensitive to sudden changes in water parameters. A varied diet is essential.
Informações no ambiente natural
- Estado de conservação: least concern
- Sazonalidade: Spawning typically occurs during warmer months, varying geographically. Available year-round in most parts of its range, with peak catches often coinciding with warmer water temperatures.
- Preço de mercado: Low to moderate, depending on region and local demand.
- Importância comercial: low
- Sabor: Mild, slightly sweet
- Textura: Flaky, white meat
- Métodos de preparo: Fried, Baked, Grilled, Stewed
- Valor nutricional: Good source of lean protein and omega-3 fatty acids.
Fatos principais
Mouth Protrusionbehavior
The Jerere's highly protrusible mouth can extend downwards to form a tube, allowing it to efficiently vacuum up small invertebrates from sandy or muddy substrates.
Habitat Versatilityinteresting
This species is euryhaline, meaning it can tolerate a wide range of salinities, thriving in both brackish estuaries and full marine coastal waters.
Benthic Foragerbehavior
Eugerres brasilianus plays a crucial role in its ecosystem as a benthic feeder, consuming small crustaceans, worms, and other invertebrates, thereby influencing sediment dynamics and nutrient cycling.
Schooling Behaviorbehavior
Juvenile and subadult Jerere often form schools in shallow waters, providing protection against predators.
Informações de segurança
Seguro- Nível de segurança: safe
- Venenoso: Não
- Comestibilidade: edible
- Observações de manuseio: No specific handling precautions beyond standard fish handling. The dorsal and anal fin spines can be sharp, so care should be taken to avoid punctures. Not known to be aggressive or possess any toxic properties.
Espécies similares
Spotfin Mojarra
Eucinostomus argenteus
Eucinostomus argenteus typically has a more slender body, a less deeply notched dorsal fin, and often a distinct black spot on the spinous dorsal fin (though this can be faint). Its pectoral fins are generally shorter, not extending past the anus.
Slender Mojarra
Eucinostomus gracilis
Eucinostomus gracilis is, as its name suggests, more slender than Eugerres brasilianus. It also lacks the prominent, deeply notched dorsal fin and the very long pectoral fins characteristic of the Jerere.
Striped Mojarra
Eugerres plumieri
Eugerres plumieri (Striped Mojarra) is very similar but typically has more pronounced dark longitudinal stripes or rows of spots along its flanks, which are usually absent or very faint in E. brasilianus. E. plumieri also tends to grow larger and has a slightly different fin ray count in some instances.
Classificação científica
- Reino
- Animalia
- Filo
- Chordata
- Classe
- Actinopterygii
- Ordem
- Perciformes
- Família
- Gerreidae
- Gênero
- Eugerres
- Espécie
- Eugerres brasilianus
Explore Brazilian Mojarra
Identifique peixes em qualquer lugar
Grátis para iOS, Android e web. Identificação por foto, detalhes completos das espécies e muito mais.