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 Fresh Water fish: Tetras

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Topdog
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PostSubject: Fresh Water fish: Tetras   Sat Sep 27, 2008 9:53 am

Tetra are species of small South American freshwater fish, belonging to the family Characidae and to its former subfamilies Alestiidae (the "African tetras") and Lebiasinidae.

The characidae are distinguished from other fish by the presence of a small adipose fin between the dorsal fin and caudal fin.

Many of these, such as the neon tetra, are brightly colored and easy to keep in captivity, and extremely popular for home aquaria.

The term tetra is not actually a taxonomic, phylogenetic term. Because of the popularity of tetras in the fishkeeping hobby, many unrelated fish are commonly known as tetras, including species from differing families.

Even fish that are vastly different may be called tetras, such as Hydrolycus scomberoides, occasionally known as the Sabretooth Tetra or vampire tetra.
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PostSubject: Neon Tetras great for a beginning tank   Sat Sep 27, 2008 9:55 am

The neon tetra (Paracheirodon innesi) is a freshwater fish of the characin family (family Characidae) of order Characiformes.

The type species of its genus, it is native to blackwater or clearwater streams in southeastern Colombia, eastern Peru, and western Brazil, including the tributaries of the Solimões where the water is between 20–26°C.[1]

It is not found in the whitewater rivers of Andean origin. Its bright colouring makes the fish visible to conspecifics in the dark blackwater streams,[citation needed] and is also the main reason for its popularity as a tropical fish.



The Neon Tetra has a light-blue back over a silver-white abdomen. The fish is characterized by an iridescent blue horizontal stripe along each side of the fish from its nose to the base of the adipose fin, and an iridescent red stripe that begins at the middle of the body and extends posteriorly to the base of the caudal fin.

Most, if not all, will develop a olive green sheen lining their backs. The fish is completely transparent (including fins) except for these markings. During the night,the blue and red become silver as the fish rests—it reactivates once it becomes active in the morning. It grows to approximately 3 cm (1.25 in) in overall length.
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Brandbla8
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PostSubject: Re: Fresh Water fish: Tetras   Sat Oct 04, 2008 1:34 pm

My used to have a pet shop and sold a lot of those fish. Kids especially enjoyed them for there colors and the glow factor I call it.
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PostSubject: Re: Fresh Water fish: Tetras   Sun Dec 07, 2008 8:07 pm

I really love these type of fish. Our pediatricians office has them and gave my son one years ago with a little aquarium set up. Unfortunately, we had to move and Casper couldn't come with us. :-(
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jamesb
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PostSubject: Re: Fresh Water fish: Tetras   Mon Dec 08, 2008 11:34 am

Are these type of fish expensive as I think that my son would love to have some.
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