[Cyprinodontiformes] Aquarium Glaser Newsletter November 25th, 2011

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Terça-Feira, 20 de Dezembro de 2011 - 23:07:02 WET


Caros colegas,

 

A última actualização do dia…

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 November 25th, 2011

 


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Barbus rohani

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It was only last year that this beautiful Indian barb has been described scientifically. It originates from the south of India. Presently it is only known from hill streams in the Kanyakumari District, Tamil Nadu. It differs from the other Indian barbs of its closer relationship (eg B. arulius, B. assimilis, B. exclamatio, B. filamentosus, and B. tambraparniei) by the coloration. Especially diagnostic is the shape of the caudal spot, which is teardrop-shaped in B. rohani and circular in B. assimilis and B. filamentosus, the two species that look most similiar to B. rohani. Moreover, the caudal fin of B. rohani has no pattern, whereas in B. assimilis an d B. filamentosus this fin has black markings.

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Males and females can be easily distinguished by the shape of the dorsal fin which is filamentous in males. Like all these Indian barbs B. rohani is a wonderful schooling fish for larger aquaria. The species attains a length of around 8-12 cm.

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For our customers: the fish has code 370914 on our stocklist. Please note that we exclusively supply the wholesale trade.

Lexicon: Barbus: Latin, means "the bearded". rohani: dedication name for Rohan Pethiyagoda, an ichthyologist that works mainly on the freshwater fishes of Sri Lanka and India.

Suggestion for a common name: Golden Scaled Indian Barb

Text & photos: Frank Schäfer

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Crenicichla lugubris "Orinoco" 

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We received beautiful Crenicichla lugubris from Venezuela in three sizes. It is astonishing how drastically these fishes change their coloration during their onotgenesis. Juveniles that show the typical "French fries pattern" are schooling fish that feel very unsafe when kept alone. 

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Then the fish come in the age of puberty. Now they see congeneers only as competitors and try to bite and kill them whenever they have the opportunity to do that. Finally the fish become sexually mature. Now they form pairs that live most often in peace and harmony over long periods. The elder the fish become, they more beautiful they are. The Orinoco variety of C. lugubris has a high amount of red in the coloration. This population also has characteristically a lot of spots in the face which can lead to confusion with C. lenticulata that lives in the same area. C. lugubris "Orinoco" is one of the largest species of the genus and can attain a length of around 50 cm. So it is an magnificent subject for very large or public aquaria.

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Lexicon: Crenicichla: Crenicichla: ancient Greek, means "Cichla with a comb"; Cichla is another genus of cichlid. lugubris: Latin, means "the one that wears mournig", this refers to the coloration.

Suggestion of a common name: Giant Orinoco Pike Cichlid

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Parosphromenus cf. bintan "Sintang" 

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The charming licorice gouramis are ideal inhabitants of nano tanks. They can not compare with other fish and so they settle even in nature extreme habitats. The water there is very poor in nutrients, very soft and acidic. These dwarfs among the anabantoids become astoundingly old and can easily reach an age of 5 or more years. So they compensate the low number of eggs they produce per spawning - usually less than 20. These tiny fish should be kept in one-species tanks. They can be fed exclusively with live brine shrimp nauplii (Artemia).

Our P. cf. bintan "Sintang" originate from around a village on Sumatra, which is bordering Jambi and Palembang. The males display a very strong blue coloration. There is no doubt that these fish belong to the bintan-species group. The fish attain a length of about 3 cm. In all licorice gouramis the sexes can be distinguished even in fright coloration. Both males and females look like Betta-females in that mood, but the caudal fin of the females is completely hyaline whereas in the caudal fin of the males always a iridescent shine can be observed that reflects the courtship-coloration.

For our customers: the fish have code 441133 on our stocklist. Please note that we exclusively supply the wholesale trade.

Lexicon: Parosphromenus: means "stands beside Osphromenus"; Osphromenus is another genus of anabantid. bintan: after the island of Bintan, the type locality.

Suggestion of a common name: Blue Sintang Licorice Gourami

Text: Frank Schäfer, photo: Martin Hallmann

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Aquarium Glaser GmbH
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D-63110 Rodgau, Germany
Telefon: +49 (0)6106 / 690 1 0
Telefax: +49 (0)6106 / 690 1 11
Email: info  aquariumglaser.de 

Managing Director: Ursula Glaser-Dreyer 

Registergericht: Amtsgericht Offenbach
Registernummer: HRB 2 1967
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