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Green Neon Tetra

Seguro

Paracheirodon simulans

Também conhecido como: False Neon Tetra, Blue Neon Tetra

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Descrição

Paracheirodon simulans, commonly known as the Green Neon Tetra, is a small, freshwater characin belonging to the family Characidae. It is renowned for its striking iridescent blue-green lateral stripe, which is more prominent and extends further along the body compared to its close relatives, the Neon Tetra (P. innesi) and Cardinal Tetra (P. axelrodi). This species is a schooling fish, typically found in large aggregations in its natural habitat. Its diminutive size and peaceful nature make it a popular choice for planted aquariums.

Características físicas

Formato do corpo
torpedo
Coloração
The body is slender and elongated, with a translucent, silvery-white ventral region. The most striking feature is the iridescent blue-green lateral stripe that runs from the snout, through the eye, and extends almost to the caudal peduncle. Below this stripe, there is a less intense, narrow red stripe that begins mid-body and extends to the caudal peduncle. The dorsal surface is typically olive-brown.
Tipo de escama
cycloid
Posição da boca
terminal
Características distintivas
Prominent iridescent blue-green lateral stripe extending almost the full length of the body., Smaller size compared to P. innesi and P. axelrodi., Less extensive red stripe compared to P. innesi and P. axelrodi.
Nadadeira dorsal
Single, relatively small, typically clear or slightly amber.
Nadadeira caudal
Forked, transparent, with no distinct coloration.
Nadadeira peitoral
Small, transparent, positioned ventrally.
Nadadeiras características
Adipose fin present, small and transparent, located between the dorsal and caudal fins.

Dicas de identificação

Lateral Stripe

The iridescent blue-green stripe is the most prominent feature. In P. simulans, this stripe is typically wider and extends further along the body, almost to the caudal fin, compared to P. innesi. The red stripe below it is less intense and shorter than in P. innesi and P. axelrodi.

Size

P. simulans is generally the smallest of the three 'Neon' tetras, typically reaching a maximum standard length of 2.5-3.0 cm (1.0-1.2 inches).

Body Shape

Its body is more slender and torpedo-shaped than the slightly deeper-bodied P. innesi and P. axelrodi.

Habitat

Tipo de água
freshwater
Profundidade
Typically found in shallow, slow-moving waters, often in areas with dense vegetation or submerged roots.
Ambiente
Blackwater rivers and streams, often associated with flooded forests (igapós) and oxbow lakes. The water is characterized by low pH, low hardness, and high concentrations of humic substances, giving it a tea-stained appearance. Substrates are usually leaf litter, fine sand, or detritus.
Distribuição geográfica
Native to South America, specifically the upper Rio Negro basin in Brazil and Colombia, and parts of the Orinoco basin.

Informações sobre aquário

  • Nível de cuidado: intermediate
  • Temperamento: peaceful
  • Alimentação: omnivore
  • Tamanho mínimo do aquário: 38 liters (10 gallons) for a small school
  • Temperatura: 23-27°C (73-81°F)
  • Nível de pH: 4.0-6.5
  • Dureza da água: 1-5 dGH (very soft to soft)
  • Compatibilidade: Excellent for community tanks with other small, peaceful fish such as other tetras, rasboras, dwarf cichlids, and corydoras. Avoid housing with large or aggressive species that may prey on them.
  • Requisitos especiais: Requires a well-established, mature aquarium with dense planting, dim lighting, and plenty of hiding spots. They thrive in soft, acidic 'blackwater' conditions, often achieved with peat filtration or botanicals. A strong current should be avoided. They are best kept in schools of 10 or more individuals to reduce stress and encourage natural schooling behavior.

Informações no ambiente natural

  • Estado de conservação: least concern
  • Sazonalidade: No specific seasonal behavior patterns are documented for this species regarding breeding or migration, as they are typically found year-round in their habitats. Collection for the aquarium trade may be influenced by water levels during dry and wet seasons.
  • Preço de mercado: Low to moderate, depending on source and quantity.
  • Importância comercial: medium
  • Sabor: Not applicable, too small for culinary use.
  • Textura: Not applicable, too small for culinary use.
  • Valor nutricional: Not applicable, too small for culinary use.

Fatos principais

Smallest of the 'Neon' Tetrasinteresting

The Green Neon Tetra is the smallest of the three commonly recognized 'Neon' tetras (P. innesi, P. axelrodi, P. simulans), making it ideal for nano aquariums.

Blackwater Specialistbehavior

This species thrives in very soft, acidic 'blackwater' conditions, mimicking its natural habitat in the Rio Negro basin, which is rich in humic acids from decaying vegetation.

Misidentification Commoninteresting

Due to their similar appearance, Green Neon Tetras are often confused with Neon Tetras (P. innesi) and Cardinal Tetras (P. axelrodi), leading to frequent misidentification in the aquarium trade.

Schooling Behaviorbehavior

Paracheirodon simulans exhibits strong schooling behavior, forming tight groups in the wild and in captivity, which provides safety and enhances their visual appeal.

Ecological Rolebehavior

In their natural ecosystem, Green Neon Tetras likely play a role as micro-predators, feeding on small invertebrates, and as a food source for larger fish.

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 delicate due to their small size and should be handled gently with a fine-mesh net to avoid injury.

Espécies similares

Neon Tetra

Paracheirodon innesi

P. innesi has a less extensive blue-green stripe, which typically ends before the adipose fin. Its red stripe is more prominent and extends further forward, often reaching the operculum.

Cardinal Tetra

Paracheirodon axelrodi

P. axelrodi has a red stripe that extends the entire length of the body, from the operculum to the caudal fin, directly beneath the blue-green stripe. The blue-green stripe is also typically narrower than in P. simulans.

Classificação científica

Reino
Animalia
Filo
Chordata
Classe
Actinopterygii
Ordem
Characiformes
Família
Characidae
Gênero
Paracheirodon
Espécie
simulans

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