Tetra

Executive Summary About Tetra By Steve Challis

Tetra Fish

The “Blind Cave Tetra”, “Astyanax fasciatus mexicanus”, is a very unusual fish. There are several other common names for the Blind Cave Tetras, these include: the “Blind Cave Fish”, the “Mexican Tetras”, and the “Silvery Tetras”. Over many generations the fish without eyes replaced the fish with eyes and the new sub species was formed. The Blind Cave tetra is not considered a separate species from the fish that stayed on the surface and kept their eyes. Blind Cave Tetras can take quite high levels of hardness in the water. The Blind Cave tetras are very easily fed omnivore. Some sources describe the Blind Cave Tetras as being peaceful. I would definitely avoid putting them with small fish like Neon Tetras and Cardinal Tetras as well as slow moving long finned fish like Siamese Fighting Fish, Guppies and Endlers Guppies.

Fish more suited to be companions for Blind Cave Tetras are: Red EyeTetras, Silvertip Tetras, Gold Barbs, Cherry Barbs, Pristella Tetras, Rummy Nose Tetras, Harlequin Rasboras, Scissortail Rasboras, Lemon Tetras, Emperor Tetras, Head and Tail Light Tetras, Glass Bloodfin Tetras, Swordtails, Platies, Mollies, Zebra Danios, Glowlight Tetras, White Cloud Mountain Minnows, Black Widow Tetras, Rosy Barbs, Tiger Barbs, Paraguay Tetras, Penguin Tetras, Buenos Aires Tetras and Colombian Tetras, as well as the Corydoras catfish like the Peppered Catfish.

Some people keep Blind Cave Tetras in an unheated aquarium with Goldfish, Rosy Barbs and other suitable fish. Do not put the Blind Cave Tetras with large or predatory fish like the larger cichlids or Great White Sharks.

The Diamond Tetras, Moenkhausia pittieri, is a peaceful little fish from Venezuela. Other common names are the Monk Tetras and the Moenk tetras. The water where this tetra comes from is soft. I have never had any trouble with this fish in our moderately hard water. The ideal food for the diamond Tetra is aquatic larvae and small crustaceans like Daphnia, but it will take all normal fish foods. Like many fish, they love frozen bloodworms.

The Diamond Tetras are strongly schooling fish, and I suggest that at least 6 be kept together. A school of Diamond Tetras should be all right with a very wide range of small fish, including: Neon Tetras, Cardinal Tetras, Green Neon Tetras, White Cloud Mountain Minnows, Cherry Barbs, Penguin Tetras, PristellaTetras, Glowlight Tetras, Red EyeTetras, Silvertip Tetras, Gold Barbs, Rummy Nose Tetras, Scissortail Rasboras, Lemon Tetras, Emperor Tetras, Head and Tail Light Tetras, Glass Bloodfin Tetras, Swordtails, Platies, Mollies, Zebra Danios, Black Widow Tetras, Rosy Barbs, Tiger Barbs, Paraguay Tetras, Buenos Aires Tetras and Colombian Tetras They would probably also be OK with Siamese Fighting Fish, Guppies and Endlers Guppies.

The Flame Tetras Hyphessobrycon flammeus is an attractive, peaceful little fish. Other common names for this fish are the Red Tetra The Fire Tetra and the Von Rio Tetras. The Flame Tetras sold in aquarium shops are bred in captivity so buying this fish is not endangering wild stocks.

Water Conditions. A moderate amount of hardness does not seem to bother this fish, so it is an excellent fish for a mixed community tank of small fish.

Food. Like most fish, the Flame Tetra is an omnivore. Live food is especially good for conditioning the fish for breeding.

Companions. A few of the many suitable companions for this fish are Rummynose Tetras, Harlequin Rasboras, Lemon Tetras, Neon Tetras, Black Widow Tetras, Cardinal Tetras, Emperor Tetras, Head and Tail Light Tetras, Glass Bloodfin Tetras, Glowlight Tetras, Guppies, Endlers Guppies, Neon Tetras, Peppered Catfish, Siamese Fighting Fish, White Cloud Mountain Minnows and Zebra Danios.

Breeding. The Flame Tetra is one of the easier tetras to breed. The female Flame Tetra can lay 200-300 eggs over fine leaved plants.

Note that the eggs of this fish need darkness for hatching.

Check out my other guide on Freshwater Fish Aquarium. Thank you for reading my article about Tetra.

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