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Hasemania piatan is a small, characin fish belonging to the family Characidae. It is characterized by its relatively slender body, distinct coloration, and schooling behavior. This species is often sought after in the aquarium trade due to its attractive appearance and peaceful nature.
Características físicas
- Formato do corpo
- elongated
- Coloração
- The body is generally silvery-gold to brownish-gold, often with a distinct dark lateral stripe extending from behind the operculum to the caudal peduncle. The fins are typically hyaline (clear), though some individuals may show a reddish or yellowish tint, especially in the caudal fin. Males tend to exhibit more intense coloration, particularly during breeding.
- Tipo de escama
- cycloid
- Posição da boca
- terminal
- Características distintivas
- Dark lateral stripe, Absence of an adipose fin (a key distinguishing feature for the genus Hasemania), Relatively small size, typically reaching up to 4 cm (1.6 inches) in standard length.
- Nadadeira dorsal
- Single, relatively short dorsal fin located mid-body.
- Nadadeira caudal
- Forked caudal fin.
- Nadadeira peitoral
- Paired pectoral fins, typically clear.
- Nadadeiras características
- Absence of an adipose fin, which is present in many other characin species.
Dicas de identificação
Adipose Fin
The most definitive feature for identifying Hasemania piatan (and the genus Hasemania) is the complete absence of an adipose fin, a small fleshy fin typically found between the dorsal and caudal fins in many other characins.
Lateral Stripe
Observe the prominent dark lateral stripe running along the flank from the gill cover to the caudal peduncle. This stripe can vary in intensity but is consistently present.
Size and Body Shape
Note the relatively small, slender, and elongated body shape, typical of many small tetra species.
Geographic Origin
Confirmation of origin from the Piatan River basin in Brazil can aid in identification, especially when distinguishing from similar-looking species from other regions.
Habitat
- Tipo de água
- freshwater
- Profundidade
- Typically found in shallow to moderate depths of rivers and streams.
- Ambiente
- Inhabits clear to blackwater streams and tributaries, often associated with areas of moderate current, submerged vegetation, and leaf litter. The substrate usually consists of sand, gravel, or detritus.
- Distribuição geográfica
- Endemic to South America, specifically found in the Piatan River basin, a tributary of the Rio de Contas in Bahia State, Brazil.
Informações sobre aquário
- Nível de cuidado: beginner
- Temperamento: peaceful
- Alimentação: omnivore
- Tamanho mínimo do aquário: 60 liters (15 gallons)
- Temperatura: 22-26°C (72-79°F)
- Nível de pH: 6.0-7.5
- Dureza da água: 5-15 dGH
- Compatibilidade: Excellent for community tanks with other peaceful, similarly sized fish. Avoid housing with large, aggressive, or fin-nipping species.
- Requisitos especiais: Prefers a well-planted aquarium with open swimming areas. Benefits from subdued lighting and a dark substrate to enhance coloration. Should be kept in schools of at least 6-10 individuals to reduce stress and encourage natural behavior.
Informações no ambiente natural
- Estado de conservação: least concern
- Sazonalidade: Breeding may be influenced by seasonal rainfall patterns in its natural habitat, but specific seasonal behaviors are not well-documented for this species.
- Preço de mercado: Low to medium (aquarium trade)
- Importância comercial: low
- 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
Adipose Fin Absenceinteresting
Hasemania piatan, like all species in its genus, is unique among many characins for completely lacking an adipose fin.
Schooling Behaviorbehavior
These fish are highly social and thrive in groups, exhibiting more natural behaviors and reduced stress when kept in schools of 6 or more individuals.
Endemic to Piatan Riverinteresting
Hasemania piatan is named after its specific type locality, the Piatan River basin in Brazil, highlighting its restricted natural distribution.
Aquarium Popularityinteresting
Despite its relatively recent scientific description, its peaceful nature and attractive appearance have made it a popular choice for community aquariums.
Informações de segurança
Seguro- Nível de segurança: safe
- Venenoso: Não
- Comestibilidade: not recommended
- Observações de manuseio: Hasemania piatan is a small, non-aggressive fish. No special handling precautions are required beyond standard care for small aquarium fish. Avoid excessive stress during transfer.
Espécies similares
Silvertip Tetra
Hasemania nana
H. nana typically has a more pronounced silvery sheen and often exhibits white or yellowish tips on its dorsal, anal, and caudal fins, which are generally absent or less distinct in H. piatan. Both lack an adipose fin.
Copper Tetra
Hasemania marginata
H. marginata often displays a more coppery or reddish body coloration, especially in males, and may have a less defined lateral stripe compared to the distinct dark stripe of H. piatan. Both lack an adipose fin.
Black Neon Tetra
Hyphessobrycon herbertaxelrodi
While superficially similar in size and having a lateral stripe, the Black Neon Tetra possesses an adipose fin, which is absent in Hasemania piatan. The stripe in H. herbertaxelrodi is typically more iridescent blue-black.
Classificação científica
- Reino
- Animalia
- Filo
- Chordata
- Classe
- Actinopterygii
- Ordem
- Characiformes
- Família
- Characidae
- Gênero
- Hasemania
- Espécie
- Hasemania piatan
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