Bagre-ornato

Descrição

Pimelodus ornatus, commonly known as Bagre-ornato or Ornate Pimelodus, is a medium-sized South American catfish belonging to the family Pimelodidae. It is highly regarded for its striking coloration and patterns, making it a popular species in the aquarium trade. In its natural habitat, it plays an important ecological role as an omnivorous scavenger and predator.

Características físicas

Formato do corpo

elongated

Coloração

The body is typically silvery-grey to brownish-grey, adorned with prominent, irregular black or dark brown spots and blotches that often coalesce into stripes or bands, particularly along the lateral line and dorsal surface. The fins are often translucent with dark markings, and the caudal fin may have a dark band. Juveniles tend to have more distinct patterns.

Tipo de escama

none

Posição da boca

terminal

Características distintivas

Long, prominent maxillary barbels extending beyond the caudal fin base in adults., Two pairs of mental barbels., Adipose fin is relatively large and well-developed., Strong, serrated spines in the dorsal and pectoral fins., Distinctive ornate pattern of dark spots and blotches on a lighter background.

Nadadeira dorsal

One dorsal fin with a strong, serrated spine and 6-7 soft rays, followed by a large adipose fin.

Nadadeira caudal

Deeply forked caudal fin with pointed lobes.

Nadadeira peitoral

One pectoral fin on each side, each with a strong, serrated spine and several soft rays.

Nadadeiras características

Pelvic fins are small, abdominal in position. Anal fin is moderately long with 10-12 soft rays.

Dicas de identificação

Habitat

Tipo de água

freshwater

Profundidade

Typically found in deeper sections of rivers, but also inhabits flooded forests and marginal areas during high water periods.

Ambiente

Large rivers, tributaries, and associated floodplains. Prefers areas with moderate to strong currents, often near submerged roots, fallen logs, and rocky crevices which provide shelter. Nocturnal, spending daylight hours in hiding.

Distribuição geográfica

Native to South America, primarily found in the Amazon, Orinoco, and Paraná River basins. Its distribution spans countries such as Brazil, Peru, Ecuador, Colombia, Venezuela, Bolivia, Paraguay, and Argentina.

Informações sobre aquário

• Nível de cuidado: intermediate
• Temperamento: semi-aggressive
• Alimentação: omnivore
• Tamanho mínimo do aquário: 250 gallons (946 liters) for a single adult, larger for groups or mixed communities
• Temperatura: 72-79°F (22-26°C)
• Nível de pH: 6.0-7.5
• Dureza da água: 5-15 dGH
• Compatibilidade: Can be kept with other large, robust, and similarly tempered fish. Avoid very small fish as they may be prey. Best kept with other large characins, cichlids, or other large catfish species.
• Requisitos especiais: Requires a spacious aquarium with plenty of hiding spots such as large caves, driftwood, and dense vegetation. Substrate should be soft sand or fine gravel to protect its delicate barbels. Excellent filtration is crucial due to its size and feeding habits. Dim lighting is preferred as they are primarily nocturnal.

Informações no ambiente natural

• Estado de conservação: least concern
• Sazonalidade: Spawning typically occurs during the rainy season, when water levels rise and food availability increases. Fishing activity may increase during these periods.
• Preço de mercado: Varies significantly based on size and origin, typically ranging from $30 to $150+ USD for aquarium specimens.
• Importância comercial: medium
• Sabor: Mild, slightly earthy
• Textura: Firm, flaky white flesh
• Métodos de preparo: Fried, Grilled, Baked, Stewed
• Valor nutricional: Good source of protein and omega-3 fatty acids, typical of freshwater catfish.

Fatos principais

Espécies similares

Classificação científica

Reino

Animalia

Filo

Chordata

Classe

Actinopterygii

Ordem

Siluriformes

Família

Pimelodidae

Gênero

Pimelodus

Espécie

Pimelodus ornatus

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