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Corydoras poeppigi is a small, armored catfish belonging to the family Callichthyidae. It is characterized by its distinctive body patterning, which often includes a series of dark spots or blotches on a lighter background, giving it a 'peppered' appearance, though this common name is more accurately applied to Corydoras paleatus. This species is known for its peaceful demeanor and bottom-dwelling habits, actively sifting through substrate for food.
Características físicas
- Formato do corpo
- compressed
- Coloração
- The base body color ranges from light tan to silvery-grey, often with an iridescent sheen. It features a variable pattern of dark brown to black spots, blotches, or irregular markings across the body and fins. A prominent dark stripe or series of spots often runs along the lateral line. The dorsal fin typically has a dark blotch at its base or along its leading edge. The ventral surface is usually lighter, often whitish.
- Tipo de escama
- none
- Posição da boca
- inferior
- Características distintivas
- Two pairs of maxillary barbels used for foraging, Armored body plates (scutes) instead of scales, Adipose fin present, Spiny pectoral and dorsal fins
- Nadadeira dorsal
- Single dorsal fin with a strong, serrated spine and several soft rays. Often features a dark blotch.
- Nadadeira caudal
- Forked caudal fin, typically with dark spots or bands.
- Nadadeira peitoral
- Pectoral fins possess a strong, serrated spine and soft rays. Used for propulsion and defense.
- Nadadeiras características
- Adipose fin present, typically small and unpigmented or with a few spots.
Dicas de identificação
Body Pattern
Look for the characteristic 'peppered' appearance of dark spots and blotches on a lighter background. This can vary significantly between individuals and populations.
Dorsal Fin Markings
Often has a distinct dark blotch or band on the dorsal fin, which can help differentiate it from other similar Corydoras species.
Size
Typically reaches a maximum standard length of about 4.5-5.0 cm (1.8-2.0 inches).
Barbels
Observe the two pairs of maxillary barbels, which are relatively short and used for sensing food in the substrate.
Habitat
- Tipo de água
- freshwater
- Profundidade
- Typically found in shallow, slow-moving waters, often near the banks of rivers and tributaries.
- Ambiente
- Inhabits clear to blackwater streams, rivers, and floodplains with soft, sandy or muddy substrates. Often found among leaf litter, submerged vegetation, or root systems, providing cover and foraging opportunities.
- Distribuição geográfica
- Native to South America, specifically the upper Amazon River basin in Peru, particularly in the Ucayali River system.
Informações sobre aquário
- Nível de cuidado: beginner
- Temperamento: peaceful
- Alimentação: omnivore
- Tamanho mínimo do aquário: 30 gallons (114 liters) for a group of 6-8 individuals
- Temperatura: 72-79°F (22-26°C)
- Nível de pH: 6.0-7.5
- Dureza da água: 2-15 dGH
- Compatibilidade: Excellent community fish, compatible with most peaceful, similarly sized species. Best kept in groups of 6 or more of its own kind.
- Requisitos especiais: Requires a soft, sandy substrate to protect its delicate barbels. Ample hiding places (driftwood, caves, plants) are beneficial. Good filtration and regular water changes are essential. Avoid sharp gravel.
Informações no ambiente natural
- Estado de conservação: least concern
- Sazonalidade: No specific seasonal availability; available year-round in the aquarium trade, primarily from aquaculture or wild collection.
- Preço de mercado: Typically $3-$7 USD per fish
- Importância comercial: medium
- Sabor: Not typically consumed due to small size and bony nature.
- Textura: Not typically consumed.
- Valor nutricional: Not typically consumed.
Fatos principais
Armored Catfishinteresting
Corydoras poeppigi, like all Corydoras, is an 'armored catfish,' meaning its body is covered in overlapping bony plates (scutes) rather than scales, providing protection from predators.
Intestinal Respirationbehavior
Corydoras poeppigi can breathe atmospheric air by gulping air from the surface and absorbing oxygen through its specialized hindgut. This adaptation allows them to survive in oxygen-depleted waters.
Social Behaviorbehavior
These fish are highly social and thrive in groups. Keeping them in insufficient numbers can lead to stress and shyness.
Bottom Dwellersbehavior
Corydoras poeppigi are obligate bottom dwellers, constantly sifting through the substrate with their barbels in search of food. This behavior helps aerate the substrate in aquariums.
Informações de segurança
Manusear com cuidado- Nível de segurança: caution
- Venenoso: Não
- Comestibilidade: not recommended
- Observações de manuseio: Corydoras species possess sharp, locking spines in their dorsal and pectoral fins. These spines can become entangled in nets and can inflict a painful, though not venomous, puncture wound if handled carelessly. Exercise caution when netting or handling to avoid injury to both the fish and handler. The spines can also release a mild toxin when stressed or threatened, which can cause localized irritation.
Espécies similares
Peppered Corydoras
Corydoras paleatus
C. paleatus generally has a more pronounced reticulated or marbled pattern, often with a greenish sheen, and typically grows slightly larger. The dorsal fin blotch in C. poeppigi is often more defined and localized.
Adolfo's Corydoras
Corydoras adolfoi
C. adolfoi has a distinct orange band behind the head and a prominent black stripe running from the dorsal fin to the caudal fin, features absent in C. poeppigi.
Panda Corydoras
Corydoras panda
C. panda is characterized by three distinct black markings: a mask over the eyes, a dorsal fin spot, and a caudal peduncle spot. C. poeppigi has a more diffuse, 'peppered' pattern.
Classificação científica
- Reino
- Animalia
- Filo
- Chordata
- Classe
- Actinopterygii
- Ordem
- Siluriformes
- Família
- Callichthyidae
- Gênero
- Corydoras
- Espécie
- C. poeppigi
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