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Hoplarchus psittacus, commonly known as Peixe-Papagaio or Parrot Cichlid, is a large and robust cichlid species native to the Amazon basin. It is characterized by its vibrant coloration, particularly in mature individuals, and a deep, laterally compressed body. This species is known for its territorial behavior, especially during breeding, and its preference for clear, acidic waters.
Características físicas
- Formato do corpo
- compressed
- Coloração
- Adults typically display a base color ranging from olive-green to brownish-yellow, often with a prominent dark lateral band or blotches. The most striking feature is the vibrant red, orange, or yellow coloration on the operculum, throat, and fins, particularly the anal and caudal fins. Juveniles are often more subdued in coloration, with more pronounced dark markings. The intensity of colors can vary with mood, health, and breeding status. Maximum standard length is approximately 30 cm (12 inches).
- Tipo de escama
- ctenoid
- Posição da boca
- terminal
- Características distintivas
- Deep, laterally compressed body., Large, prominent eyes., Thick, fleshy lips., Vibrant red, orange, or yellow coloration on the operculum and fins in mature individuals., A series of dark blotches or a lateral band along the flanks, more pronounced in juveniles.
- Nadadeira dorsal
- Long and continuous, with 14-16 spines and 10-12 soft rays. The anterior spiny portion is lower than the posterior soft-rayed portion.
- Nadadeira caudal
- Rounded to truncate, often with extensions on the upper and lower lobes in mature males.
- Nadadeira peitoral
- Relatively small and rounded.
- Nadadeiras características
- Anal fin with 3-4 spines and 7-9 soft rays. Pelvic fins are pointed. All fins, especially the anal and caudal, can exhibit intense red or orange coloration.
Dicas de identificação
Size and Body Shape
Look for a large (up to 30 cm), deep-bodied, and laterally compressed cichlid.
Coloration
Observe the vibrant red, orange, or yellow on the operculum, throat, and fins, especially in adults. Juveniles will have more pronounced dark blotches.
Fin Structure
Note the long dorsal fin with a lower spiny portion and a higher soft-rayed portion, and the rounded to truncate caudal fin.
Mouth and Lips
Identify the terminal mouth with thick, fleshy lips.
Habitat
- Tipo de água
- freshwater
- Profundidade
- Typically found in shallow to moderate depths, often near submerged roots, fallen logs, and dense vegetation.
- Ambiente
- Inhabits clear to blackwater rivers, streams, and flooded forests within the Amazon basin. Prefers areas with slow to moderate currents, abundant cover, and soft, acidic water. Often associated with areas rich in leaf litter.
- Distribuição geográfica
- Native to the Amazon River basin in South America, specifically found in tributaries of the Rio Negro and Rio Orinoco systems in Brazil, Colombia, and Venezuela.
Informações sobre aquário
- Nível de cuidado: advanced
- Temperamento: aggressive
- Alimentação: omnivore
- Tamanho mínimo do aquário: 500 liters (130 gallons) for a single adult, larger for pairs or community tanks with other large cichlids.
- Temperatura: 24-28°C (75-82°F)
- Nível de pH: 5.0-6.5
- Dureza da água: 1-8 dGH
- Compatibilidade: Best kept as a single specimen or a proven pair in a species-specific tank. Can be housed with other large, robust cichlids or armored catfishes in very large aquariums, provided ample space and hiding spots are available. Avoid small or timid tank mates.
- Requisitos especiais: Requires a well-filtered aquarium with excellent water quality. Provide plenty of hiding places using driftwood, rocks, and large, sturdy plants. A sand or fine gravel substrate is preferred. Strong water movement is appreciated. Regular large water changes are crucial to maintain optimal health and reduce aggression.
Informações no ambiente natural
- Estado de conservação: least concern
- Sazonalidade: Breeding typically occurs during the rainy season in their natural habitat, when water levels rise and food availability increases.
- Preço de mercado: Varies, generally moderate to high for wild-caught specimens or rare color morphs.
- Importância comercial: medium
- Sabor: Not typically consumed due to its value as an ornamental fish and its relatively bony structure.
- Textura: Not typically consumed.
- Valor nutricional: Not typically consumed.
Fatos principais
Parental Carebehavior
Hoplarchus psittacus exhibits strong biparental care, with both male and female actively guarding eggs and fry. They are substrate spawners, typically laying eggs on flat rocks or submerged wood.
Diet in the Wildbehavior
In its natural habitat, the Peixe-Papagaio feeds on a varied diet including small fish, insects, crustaceans, and plant matter, reflecting its omnivorous nature.
Habitat Preferenceinteresting
This species thrives in clear to blackwater environments with soft, acidic water, often found among submerged roots and leaf litter, which provides both cover and foraging opportunities.
Territorialitybehavior
Hoplarchus psittacus is highly territorial, especially when breeding. This behavior necessitates large aquariums with ample space and visual barriers to prevent aggression towards tank mates.
Informações de segurança
Manusear com cuidado- Nível de segurança: caution
- Venenoso: Não
- Comestibilidade: not recommended
- Observações de manuseio: Hoplarchus psittacus is not venomous, but its large size, strong jaws, and aggressive nature, especially during breeding, warrant caution when handling. They can deliver a painful bite. Use appropriate tools like nets or buckets for transfer, and avoid direct contact with hands. Their spines can also cause punctures.
Espécies similares
Red Terror Cichlid
Cichlasoma festae (formerly Amphilophus festae)
While also large and colorful, C. festae typically has a more elongated body shape, a more pointed head, and a different pattern of dark markings. The red coloration in C. festae is often more uniformly distributed over the body rather than concentrated on the operculum and fins as in H. psittacus.
Severum Cichlid
Heros severus
Severums are generally smaller, have a more rounded body profile, and typically exhibit vertical banding rather than the distinct lateral blotches or band of H. psittacus. Their coloration is also usually less intensely red or orange on the operculum.
Classificação científica
- Reino
- Animalia
- Filo
- Chordata
- Classe
- Actinopterygii
- Ordem
- Cichliformes
- Família
- Cichlidae
- Gênero
- Hoplarchus
- Espécie
- Hoplarchus psittacus
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