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The Ramirezi Dourado, or Gold Ram, is a selectively bred ornamental variant of the wild Mikrogeophagus ramirezi. It is highly prized in the aquarium hobby for its vibrant golden-yellow coloration, which is significantly more pronounced and widespread than the subtle yellow hues found in some wild specimens. This variant retains the characteristic dwarf cichlid body shape and behavior of its wild counterpart but exhibits an intensified and often iridescent golden sheen across its body, fins, and sometimes even its eyes. The selective breeding has focused on enhancing this golden pigmentation, making it a visually striking addition to freshwater aquariums.
Características físicas
- Formato do corpo
- compressed
- Coloração
- Predominantly iridescent golden-yellow across the body and fins. May exhibit faint vertical barring or a black spot on the flank, though these are often obscured by the intense golden pigmentation. Some individuals may have red or orange accents on the fins, particularly the dorsal and caudal fins. Eyes are often golden or reddish.
- Tipo de escama
- ctenoid
- Posição da boca
- terminal
- Características distintivas
- Intense golden-yellow coloration covering most of the body and fins., Relatively small size for a cichlid, typically reaching 5-7 cm (2-2.8 inches) in total length., High-bodied, laterally compressed profile., Often exhibits a black spot on the mid-flank, though it can be faint in some gold variants., Males typically have more elongated dorsal and anal fin rays, and a more pointed dorsal fin.
- Nadadeira dorsal
- Long and spiny anteriorly, soft-rayed posteriorly. Males often have elongated rays in the anterior part of the dorsal fin.
- Nadadeira caudal
- Rounded to slightly emarginate.
- Nadadeira peitoral
- Small and fan-shaped.
- Nadadeiras características
- Pelvic fins are often elongated and filamentous, particularly in males, and can be tinged with red or orange.
Dicas de identificação
Coloration
The most defining feature is its intense, uniform golden-yellow body and fin coloration, distinguishing it from the more varied and less intensely colored wild type or other ram variants.
Size and Shape
Small, high-bodied, and laterally compressed cichlid, typically under 7 cm. This helps differentiate it from larger cichlid species.
Fin Morphology
Look for the elongated, often filamentous pelvic fins and the potentially extended anterior dorsal fin rays, especially in males.
Habitat
- Tipo de água
- freshwater
- Profundidade
- Typically found in shallow, slow-moving waters, often less than 1 meter deep.
- Ambiente
- In its wild form, Mikrogeophagus ramirezi inhabits slow-flowing tributaries, swamps, and floodplains of the Orinoco River basin. These environments are characterized by dense vegetation, leaf litter, submerged roots, and sandy or silty substrates. The water is typically soft, acidic, and often stained with tannins from decaying organic matter. The Gold Ram, being a captive-bred variant, does not exist in the wild.
- Distribuição geográfica
- The wild form, Mikrogeophagus ramirezi, is native to the Orinoco River basin in Venezuela and Colombia. The Gold Ram is a selectively bred aquarium strain and does not have a natural geographic range.
Informações sobre aquário
- Nível de cuidado: intermediate
- Temperamento: peaceful
- Alimentação: omnivore
- Tamanho mínimo do aquário: 60 liters (15 gallons) for a pair
- Temperatura: 25-29°C (77-84°F)
- Nível de pH: 5.0-7.0
- Dureza da água: 1-10 dGH
- Compatibilidade: Generally peaceful with other small, non-aggressive fish. Can be kept in community tanks with tetras, rasboras, corydoras, and other dwarf cichlids. Avoid fin-nippers or overly boisterous tank mates.
- Requisitos especiais: Requires a well-established aquarium with soft, acidic water. Provide plenty of hiding spots using driftwood, rocks, and live plants. A fine sand substrate is preferred as they enjoy sifting through it. Good water quality and regular water changes are crucial for their health and coloration. They are sensitive to sudden changes in water parameters and nitrates.
Informações no ambiente natural
- Estado de conservação: least concern
- Sazonalidade: Not applicable for this ornamental variant; wild populations breed year-round with peaks during rainy seasons.
- Preço de mercado: Varies, typically 5-20 USD per fish depending on size and quality.
- Importância comercial: high
- Sabor: Not applicable, primarily an ornamental species.
- Textura: Not applicable, primarily an ornamental species.
- Valor nutricional: Not applicable, primarily an ornamental species.
Fatos principais
Golden Glowinteresting
The 'Dourado' in its name means 'golden' in Portuguese, accurately describing its most striking feature.
Dwarf Cichlidbehavior
Despite being a cichlid, it remains relatively small, making it suitable for smaller community aquariums where larger cichlids would be problematic.
Sensitive to Water Qualitybehavior
Gold Rams are particularly sensitive to poor water quality and high nitrate levels, requiring diligent aquarium maintenance to thrive.
Substrate Siftersbehavior
They enjoy sifting through fine sand substrate in search of food, a natural behavior that should be accommodated in their aquarium setup.
Parental Carebehavior
Like their wild counterparts, Gold Rams exhibit excellent parental care, with both parents guarding eggs and fry.
Informações de segurança
Seguro- Nível de segurança: safe
- Venenoso: Não
- Comestibilidade: not recommended
- Observações de manuseio: No specific handling precautions are required beyond standard fish handling practices to minimize stress. Avoid netting them roughly, as their fins can get tangled. They are not venomous and do not possess sharp spines that pose a significant threat.
Espécies similares
German Blue Ram
Mikrogeophagus ramirezi
The German Blue Ram (the wild type or a selectively bred variant emphasizing blue coloration) has a more natural coloration with prominent blue iridescence, a distinct black spot, and often red and yellow accents, but lacks the overall intense golden-yellow hue of the Gold Ram.
Electric Blue Ram
Mikrogeophagus ramirezi (Electric Blue)
The Electric Blue Ram is characterized by an almost entirely iridescent electric blue body, with very little to no yellow or red pigmentation, making it distinctly different from the golden coloration of the Gold Ram.
Bolivian Ram
Mikrogeophagus altispinosus
The Bolivian Ram is a larger, more robust species with a less compressed body, a more subdued coloration (typically brownish-yellow with a black lateral spot and stripe), and a different fin morphology. It also tolerates a wider range of water parameters.
Classificação científica
- Reino
- Animalia
- Filo
- Chordata
- Classe
- Actinopterygii
- Ordem
- Cichliformes
- Família
- Cichlidae
- Gênero
- Mikrogeophagus
- Espécie
- Mikrogeophagus ramirezi
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