[Cyprinodontiformes] Aquarium Glaser Newsletter January 23rd, 2010

[www.viviparos.com]

Caros colegas,

 

Mais algumas novidades da Glaser.

Não há Cyprinodontiformes desta vez mas, como habitualmente, não faltam as
novidades.

 

Um abraço

 

Miguel

 

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De: Aquarium Glaser GmbH [mailto:info  aquariumglaser.de] 
Enviada: Nenhum
Para: Miguel Andrade
Assunto: [Provavel SPAM] Aquarium Glaser Newsletter January 23rd, 2010

 


 
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Faunus ater

 
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This attractive, about 6 cm long snail currently reached us from Thailand.
It is a relative of the well known Malayian trumpet snail. In the wild this
animal occurs in the lowest reaches of rivers on muddy bottoms and is thus
very tolerant against salt. So it is possible to keep it in freshwater tanks
as well as in brackish water aquaria. 

 
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In contrast to the Malayan trumpet snail, which is a livebearing species,
Faunus ater is an egglayer. The larvae can develope in marine environment
only, so it is impossible that an unwanted proliferation occurs in the tank.
Males and females cannot be distinguished by external features. In nature,
these snails feed probably on silt and mud. They do not work as
algae-eaters, but need detritus and similar material for food.

 
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Lexikon: Faunus: a Roman god, patron of farming and livestock; corresponding
to the Greek Pan. It is not known, why this generic name was chosen. ater:
Latin, means "black".

Text & photos: Frank Schäfer

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New Names for Goldseam Cichlid and Green Terror

 
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The Goldseam Cichlid from Peru and the Green Terror  from Ecuador belong to
the most popular cichlids for decades already. The splendid colours, the
easy breeding and the fascinating behaviour are responsible for this
popularity.

Nevertheless is was unclear for a long time how these fish should be placed
systematically. Hobbyists thought that both belong to two different, though
closely related species, a point of view that was adopted by most
taxonomists, too. So the Goldseam was called Aequidens rivulatus and the
Green Terror Aequidens sp. aff. rivulatus (see for example Aqualog
Southamerican Cichlids III).

 
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Now recent papers present the results of new investigations, which included
not only morphological but also genetical methods. So it was found that the
Green Terror belongs really to a new and distinct species. Along with the
Goldseam and some other close relatives (Aequidens biseriatus, A.
coeruleopunctatus, A. latifrons, A. pulcher, A. sapayensis) he was
transferred in the new genus Andinoacara and was named Andinoacara
stalsbergi. The Goldseam, however, now should be called Andinoacara
rivulatus.

For our customers: A. rivulatus has code 610003, A. stalsbergi 610811 on our
stocklist. Please note that we exclusively supply the wholesale market.

 
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Lexicon: Aequidens: Latin, means "with equal tooth". This refers to the set
of teeth. sp. aff.: Latin, abbreviation of "species affinis", which means
"similar species". rivulatus: Latin, means "originating from a brook".
stalsbergi: in honour of Alf Stalsberg. Andinoacara: means "Acara from the
Andes". Acara is another genus of cichlid.

Literature: Musilová, Z., Schindler, I. und W. Staeck (2009): Description of
Andinoacara stalsbergi sp. n. (Teleostei: Cichlidae: Cichlasomatini) from
Pacific coastal rivers in Peru, and annotations on the phylogeny of the
genus. Vertebrate Zoology 59 (2): 131-141.

Text: Frank Schäfer, photos: Aqualog archieves and Frank Schäfer

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Sewellia speciosa 

 
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Currently we were able to import this nice hillstream loach from Laos for
the first time. The species is restricted to the Kong river influence in
Laos and Vietnam. Maximum length is around 6 cm. The species has a very
interesting sexual dimorphism. Males - which are in general more tiny than
females - develope patches of tubercles on the pectoral fins. The sense of
this is not researched yet.

 
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Like all Sewellia these fish like strong current. They are completely
peaceful against tankmates, may they belong to their own or to different
species. However, one must make sure that the fish get enough food. Frozen
food, especially bloodworm, is readily taken.

Lexicon: Sewellia: dedication name. speciosa: Latin, means "beautiful,
showy". 

Text & photos: Frank Schäfer  

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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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