Archive for the Glowlight Tetra category

Glowlight Tetra Fish aka Hemigrammus erythrozonus aka Redglow Fish aka


Source: From Wikipedia, the free encyclopedia (Redirected from Glowlight tetra)

The Glowlight Tetra is a small tropical fish that is found in the wild in Essequibo River Guyana South America. It is silver in colour and an bright iridescent orange to red stripe extends from the snout to the base of its tail. The front part of the dorsal fins are the same color as the stripe. Other fins are silver to transparent. Glowlight tetras are peaceful and schooling fish. It is slightly larger than the neon tetra, and its peaceful disposition makes it an ideal, and popular community tank fish. They should be kept with similar sized and non-aggressive species.

They are a medium size tetra growing to upto 4cm (max. 5cm), notably larger than both Neon Tetra’s and Cardinal Tetra’s. They have a life span of 2 – 4 years when kept in good conditions.

Glowlight’s are Omnivore, they eat small live, frozen and dry foods. The feeding of vegetable matter is suggested to vary the diet of the Glowlight Tetra.

Glo lights, Glo-light tetras, Glolight are alternative names. H. gracilus is old scientific name. Red-line Rasbora ( Rasbora pauciperforata) of Malaysia and Indonesia are different species with similar coloring. Glowlight Tetras are readily available and are usually very inexpensive. There is a golden Glowlight Tetra and albino Glowlight variety being offered for sale too.

Glowlight Tetra

Glowlight Tetra

By Gary Bolton


Family: Characidae

Species: Hemigrammus erythrozonus

Size: 5cm (2 inch)

Diet: Omnivorous

Tank levels: All

Habitat: Rivers in Guyana

Remarks: These small fish prefer a well-planted aquarium and soft, acid water for breeding. They will eat their eggs.

Comments: The upper and lower halves of the peach-coloured yet translucent Glowlight Tetra are divided by a glowing red-gold line. It starts on the snout and ends at the caudal fin. It has to said that these are one of the best looking tetras in the family. Stunning to look at and very easy to keep indeed. These are an ideal starter fish for the novice aquarium fish-keeper, just starting out for the first time.


This fish comes from the “Tropical Fish” family species of fish. I hope you enjoyed this fish profile that I put together to help people to choose the right fish for the right aquarium tank setup you may own, or be thinking of buying in the future. If you require more information about keeping fish in general and what are the right fish to choose for your tank setups, you can always visit my site called “GB Aquarium” and see what’s posted new there and also join in the discussion taking place.

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