[Cyprinodontiformes] Aquarium Glaser Newsletter June 5th 2009

Sábado, 6 de Junho de 2009 - 01:16:49 WEST

Prezados colegas,

Ainda não é desta que o destaque é dado aos Cyprinodontiformes vivíparos e
ovovivíparos, mas a espécie Cyprinella lutrensis é sem dúvida uma excelente
sugestão para o lago de jardim.

Não é por isso que faltarão outros motivos de sobra para qualquer
aquariofilista ficar interessado.

Um abraço a todos

Miguel Andrade

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De: Aquarium Glaser GmbH [mailto:info  aquariumglaser.de] 
Enviada: sábado, 6 de Junho de 2009 01:01
Para: cyprinodon  clix.pt
Assunto: [Provavel SPAM] Aquarium Glaser Newsletter June 5th 2009

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A fantastic lemon tetra

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The lemon tetra, Hyphessobrycon pulchripinnis, belongs to the most important
ornamental fishes and can be found in almost any pet shop. Like in so many
other very common species no one gives a thought on them. But even the lemon
tetra keeps a lot of secrets.....

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The origin of the lemon tetra was not known until 1980, although the species
has already been scientifically described in 1937. The scientific
description based on specimens imported for the ornamental fish trade and so
the origin could be given only vaguely as „probably Amazon river“. Although
breeding the lemon tetra is not that easy (not every pair will spawn readily
and females have to spawn very often for otherwise their eggs become
infertile etc.) no wild caughts came in anymore. So it lasted until 1980
when Gery found that the natural range of the species lies in the lower
Amazon basin, to be more precise in the lower and middle Tapajós between
Itaituba and Jacare Acanga, and in brooks flowing towards the Rio Curua do
Sol. Other sources give also the Xingu and the Tocantins.

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The ancestors of our new lemon tetra which we can offer in wonderful German
bred specimens are said to originate from Bolivia. They differ from the well
known lemon tetra due to their brillant orange basic colour and the lack of
the typical black border of the anal fin. According to our breeder the
breeding behaviour is also different. So it is very likely that our new
lemon tetra belongs to a so far undescribed species.

Keeping the new lemon tetra is very easy and even beginners can do it. One
should keep the up to 4.5 cm long animal in little groups in well structured
aquaria. Every individual will form a small territory after settlement and
defend it against congeneers. They feed on any commercial and living
fishfood, tempertaure can be between 22 and 28°C. In soft and slighlty
acidic water they become most beautiful, but these water conditions are not
necessary for a successful keeping.

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For comparison: the "normal" lemon tetra

For our customers: the new animals, called „Orange Bolivia“ by us, have code
261632, the classical lemon tetra code 261603 on our stocklist. Please note
that we exclusively supply the wholesale market.

Text Frank Schäfer, Photos: Frank Schäfer and H.-J. Mayland/Aqualog
archieves

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Cyprinella lutrensis (formerly: Notropis lutrensis) 

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Currently extremely beautiful bred specimens from Cyprinella lutrensis are
exported from SE-Asia. This up to 7 cm long cyprinid originates from North
America up to Mexico where several subspecies are known. So one might think
that this species is a coldwater fish. In fact the species can tolerate a
wide spectrum of water tempertaures. One can keep these beautiful and
peaceful fishes in the garden pond, in the unheated indoor tank or in the
tropical aquarium. 

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They should be always kept in schools, as they need to live in community of
their own kind. The peaceful, omnivorous fishes do not require any special
water conditions. The males develope white pimples on the head during
breeding season, as many other cyprinids do as well. It is a freespawning
species that does not care for the eggs or offspring in any way. Breeding is
quite easy, even in aquaria.

Text and photos: Frank Schäfer

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Mountain crystal tetra, Leptagoniates pi 

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Glassfishes occur in many fish families. In the hobby we know for example
glass perches (Parambassis etc.) and glass catfishes (Kryptopterus);
occasionally also glass gobies (Gobiopterus) and Crystal danios (Danionella)
are kept in aquaria. All these fishes come from South and South East Asia.
Now we were able to import from South America a species new for the hobby:
the Mountain crystal tetra, Leptagoniates pi. We obtained the fish from
Peru, the species was oringinally described from Bolivia. The fish attains a
length of about 4 cm. Very characteristic and species-specific is the swim
bladder, which is parted in two and has a connection on the top, thus
forming a figure that reminds one to the ancient greece letter „Pi“. This is
why the species is named as it is.

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The very special shape of the swim bladder can be seen very good on this
picture

Mountain crystal tetras are very peaceful fishes, maybe a bit shy. They
should be always kept in schools. Although they are so colourless (or maybe
due their colourlessness?) they are real eyecatchers. The Mountain crystal
tetra can be kept in community tanks without problems. Any usual fish food
is readily taken, aquatic plants will not become damaged by the fish.

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For our customers: the animals have code 266002 on our stocklist. Please
note that we exclusively supply to the wholesale trade.

Text and photos: Frank Schäfer

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Now available as FREE <http://aqualog.de/news/news_pdfen/news86gb.pdf>
download under www.aqualog.de   

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