Black Ruby Barb (Purple-Headed Barb)
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Black Ruby Barb (Purple-Headed Barb)

The black ruby barb is a sleek looking fish that is best described as being an omnivore and a friendly tank mate, although it may have issues with…

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Black Widow Tetra
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Black Widow Tetra

This active, fast-moving species is a great choice for aquarium beginners. Hardy and easy to care for, the Black Widow Tetra (or Black Skirt if you prefer a…

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Dwarf Gourami (Flame Gourami)
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Dwarf Gourami (Flame Gourami)

The dwarf gourami is a peaceful and shy fish. If you have a pair of them, the two fish will swim together.  Dwarf gouramis are considered labyrinth fish, which…

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South American Leaffish Fish Breed Profile
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South American Leaffish Fish Breed Profile

Thomas R. Reich PhD The unique South American Leaffish is a very interesting fish for the classroom or for the collector with many aquariums that wants a conversation…

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The Anatomy of Fish, How are all Fish the Same?
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The Anatomy of Fish, How are all Fish the Same?

  Do Freshwater Aquarium Fish have Hyperthermia? Fish, by definition and almost without exception, are cold-blooded vertebrates.  This means that they remain at approximately the same temperature as…

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Yo Yo Loach
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Yo Yo Loach

The Yo Yo Loach, sometimes called a scaleless fish, actually has small scales embedded in its skin. It’s an active scavenger that is a semi-aggressive fish and lives well…

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Buenos Aires Tetra
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Buenos Aires Tetra

The Buenos Aires tetra has been imported for a number of years and became extremely popular due to its hardiness and ease of care. Specimens sold now are…

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Clown Loach
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Clown Loach

If you’ve ever seen a school of clown loaches, it’s hard to resist bringing a couple of them home. It’s even harder to imagine that this beautiful fish is…

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Harlequin Rasbora (Red Rasbora)
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Harlequin Rasbora (Red Rasbora)

Fish hobbyists love the harlequin rasbora—it has a beautiful metallic color and it is easy to care for. A large school makes an aquarium vivid and vibrant with…

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Bristlenose Pleco
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Bristlenose Pleco

There are many species of Ancistrus, and several have become prominent within the aquarium hobby. This is attributed to the fact that they stay relatively smaller than their…

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