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Agulhinha, Freshwater halfbeak (Dermogenys pusilla (Kuhl & van Hasselt, 1823)) | AQUABR
Notícias

Agulhinha, Freshwater halfbeak (Dermogenys pusilla (Kuhl & van Hasselt, 1823))

  • 16/09/2011
  • 2386 visualizações
Nome popular:
Agulhinha, Freshwater halfbeak
Nome científico:
Dermogenys pusilla (Kuhl & van Hasselt, 1823)
Família:
Zenarchopterus
Origem:
Bangladesh, Cambodia, Índia, Indonésia, Laos, Malásia, Myanmar, Filipinas, Tailândia e Vietnã
pH:
6.8 ~ 8.0
gH:
9 - 19
Temperatura:
24° ~ 28°C
Comportamento:
Pacífico
Tamanho indivíduo:
7cm
Aquário:
Maior que 60L
Descrição:

Sua mandíbula alongada, muitas vezes utilizada em disputas intra-espécie pelos machos. Ocorrente em rios, riachos, canais, drenos, lagoas e lagos, raramente no mar.
 

É utilizado em seus países de origem como peixe de luta, entre machos. Normalmente são confinados em pequenos recipientes para que lutem até a morte.

Em aquário, quando inseridos em espaço maior, geralmente estas disputas acabam rapidamente com a fuga do mais fraco.

Alimentação:

Carnívoro (essencialmente insetívoro).

Alimentos vivos como crustáceos bentônicos, insetos (mosquitos, larvas), outros invertebrados, aceitam muito bem alimentos industrualizados.

Dimorfismo sexual:

Machos são menores que as fêmeas e apresentam uma mancha vermelha na nadadeira dorsal, além de possuir o órgão genital modificado para formar um andropodium. 

Reprodução:

Os Agulhinha Vivíparo, postura de cerca de 10-20 larvas, nascem em até 20 – 50 dias conforme temperatura.

 

Acasalamento ocorre quando há grande presença de vegetação de superfície e boas condições. Macho fertilizará internamente a fêmea, que dará a luz a larvas formadas após algumas semanas.

 

Retirada dos pais importante para sucesso pois praticam canibalismo.

Fonte: Revistaaquario, Wikipidias
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