[Cyprinodontiformes] Aquarium Glaser Newsletter July 15th, 2011

[www.viviparos.com]

Caro colegas,

 

Com alguns dias apenas de atraso, aqui vos envio a última edição da newsletter da
GLASER.

No fim da página há uns híbridos muito interessantes.

São identificados como Platy mas o primeiro tem genes de Xiphophrus variatus e o
segundo de Xiphophorus hellerii.

Apesar das minhas conhecidas objecções aos híbridos, admito que no entanto não deixam
de ser duas belas linhagens domésticas dignas de alguma admiração estética. 

Um abraço

Miguel Andrade

 

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De: Aquarium Glaser GmbH [mailto:info  aquariumglaser.de] 
Enviada: Nenhum
Para: Miguel Andrade
Assunto: Aquarium Glaser Newsletter July 15th, 2011

 


 
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Opsarius pulchellus

 
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This is one of the most beautiful new entries in the hobby in the past few years.
However, the species is known scientifically already since 1931, when Hugh M. Smith,
one of the greatest experts for the fishes of Thailand, described the species. And
even Smith observed the extraordinary beauty of the fish and named it "pulchellus",
the Latin word for "beautiful".

The animals are close relatives of the Danios. In nature, they settle in cool, clear
mountain streams of northern Thailand, Laos, and Vietnam. The type locality is Mekang
(not Mekong, as can be found erroneously in some literature) near Pang Chao.

 
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Usually the species becomes 7 cm long; females stay generally smaller than the males
and are much more elongate. The largest specimen known so far was 10.5 cm long. The
wonderful fish are very peaceful and do not care for plants. Regarding water
chemistry they are undemanding; medium hard water with a neutral or slightly alkaline
pH is equal to the conditions in nature.

So far, nothing has been published about the breeding behaviour of the species.
However, it is very likely that they spawn in the gravel. The fish take readily any
type of fishfood that fits the size of the mouth. All in all, Opsarius pulchellus is
a perfect addition for the aquarium hobby.

For our customers: the fish have code 439904 on our stocklist. Please note that we
exclusively supply the wholesale trade.

Lexicon: Opsarius: from ancient Greek, means "small fish". pulchellus: Latin, means
"beautiful".

Suggestion of a common name: Butterfly danio

Text & photos: Frank Schäfer

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Carinotetraodon borneensis 

 
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At least we successfully imported one of the most mysterious species of freshwater
pufferfish: Carinotetraodon borneensis. Although the species as been described
already in 1903, it was considered over decades as a junior synonym of a closely
related species, C. lorteti. However, both species look extremely similar in alcohol.

In live the fish look quite different. Like all crested puffers the fish can change
its coloration amazingly. In contrast to its close relatives (C. lorteti: Thailand,
Vietnam, Cambodia, Laos, Malaysia; C. irrubeso: Sumatra and Borneo (Kalimantan); C.
salivator: Borneo (Sarawak); C. borneensis: Borneo (Sarawak)) we can observe no clear
sexual dichromatism in our specimens. All fish look very similar to each other.

 
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Of course this up to 5 cm long species is mainly of interest for specialized
aquarists. But there can be no doubt that such rarities are the extra something for
the hobby. Almost nothing is known so far about this interesting species.
Observations of live fish in the aquarium can considerably help to understand the
life history of the species. And this is one of the main goals of the aquarium hobby
at all.

For our customers: the fish have code 408102 on our stocklist. Please note that we
exclusively supply the wholesale trade.

Carinotetraodon borneensis is a pure freshwater species that lives in the wild in
soft and acidic water.

Lexicon: Carinotetraodon: Latin, means "Tetraodon with a keel"; Tetraodon is another
genus of pufferfish. borneensis: means "coming from Borneo".

Suggestion of a common name: milkcoffee crested puffer

Text & Photos: Frank Schäfer

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Platy Leopard

Platys with black dots are known quite long already. Initially they were termed
Salt´n´Pepper-Platys, later Moskow Platys. Our reliable breeder has now developed two
extremely nice strains of black dotted platys, which we call "Leopard Platys". 

 
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The first variety has a blue-green body and an intensive red tail (including the tail
fin). This variety we call "Red Tail Green Leopard", Code 442653.

 
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The second variety is a wagatil, eg all fins are black. It also has a blue-green body
base colour. This variety we call "Wagtail Neon Green Leopard", Code 441983.

These platys are beautiful fish and for sure any hobbyist enjoys them.

Text & photos: Frank Schäfer

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Issue 97 of the NEWS can be downloaded for free here: www.aqualog.de
<http://www.aqualog.de/>   Enjoy! 

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...and please do not forget to visit our homepage <http://www.aquariumglaser.com/en/>
to get weekly updates !

 


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