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Hyphessobrycon erythrostigma, commonly known as the Bleeding Heart Tetra or Tetra Sangrante, is a small, characin fish native to South America. It is highly valued in the aquarium trade for its distinctive coloration, particularly the prominent red spot on its flank, which gives it its common name. These fish are generally peaceful and schooling, making them popular inhabitants of community aquariums.
Características físicas
- Formato do corpo
- compressed
- Coloração
- The body is generally silvery-pink to light brown, with a distinct, often heart-shaped, bright red or orange spot located centrally on the flank, just behind the operculum. The dorsal fin is typically tall and black with a white tip, while the anal fin is reddish with a black margin. Caudal fin is usually reddish or translucent. Males tend to be more intensely colored and have a more elongated dorsal fin than females.
- Tipo de escama
- cycloid
- Posição da boca
- terminal
- Características distintivas
- Prominent red/orange 'bleeding heart' spot on the side., Tall, black dorsal fin with a white tip., Reddish anal fin with a black margin.
- Nadadeira dorsal
- Tall, falcate, black with a white distal tip. Typically has 2 unbranched and 8-9 branched rays.
- Nadadeira caudal
- Forked, reddish or translucent.
- Nadadeira peitoral
- Small, hyaline.
- Nadadeiras características
- Adipose fin present, typical for characins.
Dicas de identificação
Red Spot
Look for the characteristic bright red or orange, often heart-shaped, spot on the mid-flank, just behind the gill cover. This is the most defining feature.
Dorsal Fin
Observe the dorsal fin; it is typically tall, black, and tipped with white, especially prominent in males.
Body Shape and Size
Note the compressed body shape and adult size, usually reaching up to 4.5-5 cm (1.8-2 inches) in standard length.
Habitat
- Tipo de água
- freshwater
- Profundidade
- Typically found in shallow to moderate depths, often near the surface or mid-water column.
- Ambiente
- Slow-moving tributaries, clearwater and blackwater rivers, and flooded forest areas. Prefers areas with dense vegetation, submerged roots, and leaf litter, providing cover and foraging opportunities. Water parameters in the wild are generally soft and acidic.
- Distribuição geográfica
- Native to South America, specifically the upper Amazon River basin in Peru and Brazil, and the Rio Negro basin.
Informações sobre aquário
- Nível de cuidado: intermediate
- Temperamento: peaceful
- Alimentação: omnivore
- Tamanho mínimo do aquário: 75 liters (20 gallons)
- Temperatura: 23-28 C (73-82 F)
- Nível de pH: 5.5-7.5
- Dureza da água: 2-15 dGH
- Compatibilidade: Excellent for community tanks with other peaceful, similarly sized fish. Avoid housing with fin-nipping species or very large, aggressive fish.
- Requisitos especiais: Requires a well-planted aquarium with open swimming spaces. Benefits from subdued lighting and a dark substrate to enhance coloration. Best kept in schools of 6 or more individuals to reduce stress and encourage natural behavior.
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 is abundant.
- Preço de mercado: Low to moderate, depending on region and size.
- Importância comercial: medium
- Sabor: Not typically consumed due to small size.
- Textura: Not typically consumed due to small size.
- Valor nutricional: Not typically consumed due to small size.
Fatos principais
Schooling Behaviorbehavior
Hyphessobrycon erythrostigma is a schooling fish, exhibiting stronger schooling behavior when kept in larger groups (6+ individuals), which also reduces stress and aggression.
Sexual Dimorphisminteresting
Males are typically more intensely colored, especially the red spot, and possess a noticeably longer and more pointed dorsal fin compared to females.
Diet in the Wildbehavior
In their natural habitat, Bleeding Heart Tetras primarily feed on small invertebrates (like insect larvae and crustaceans), zooplankton, and some plant matter.
Etymologyinteresting
The specific epithet 'erythrostigma' is derived from Greek, with 'erythros' meaning red and 'stigma' meaning spot, directly referring to its distinctive red marking.
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 care. They are small and delicate, so handle gently if netting is necessary.
Espécies similares
Rosy Tetra
Hyphessobrycon rosaceus
While also having red coloration, the Rosy Tetra lacks the distinct, concentrated 'bleeding heart' spot. Its red coloration is more diffuse, and its dorsal fin is typically red with black markings, not predominantly black with a white tip.
Serpae Tetra
Hyphessobrycon eques
Serpae Tetras have a more elongated body, a prominent black shoulder spot (not red), and often a more aggressive temperament. Their overall body coloration is typically a deeper red.
Ornate Tetra
Hyphessobrycon bentosi
Ornate Tetras have a similar body shape and fin structure but lack the distinct red 'bleeding heart' spot. Their coloration is generally more subdued, with a dark humeral spot and often red fins.
Classificação científica
- Reino
- Animalia
- Filo
- Chordata
- Classe
- Actinopterygii
- Ordem
- Characiformes
- Família
- Characidae
- Gênero
- Hyphessobrycon
- Espécie
- Hyphessobrycon erythrostigma
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