Hemigrammus

6 species

Hemigrammus is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around 11 cm (4.3 in).

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Rummy-nose tetra

Hemigrammus rhodostomus

The rummy-nose tetra (Petitella rhodostoma) is a species of tropical freshwater characin fish originating in South America, popular among fishkeepers as a tropical aquarium fish. One of many small tetras belonging to the same genus, it is on average...

Hemigrammus erythrozonus

Hemigrammus erythrozonus, commonly known as the glowlight tetra, is a small tropical fish from the Essequibo River, Guyana, South America. It is silver in colour and a bright iridescent orange to red stripe extends from the snout to the base of its...

Petitella bleheri

Hemigrammus bleheri

Petitella bleheri is a species of characin found in Amazon Basin in Brazil and Peru. One of three species called rummy-nose tetra, but is also called firehead tetra according to FishBase. Reaching a standard length of 2 in (5 cm) it is a common...

Gold tetra

Hemigrammus rodwayi

The gold tetra (Hemigrammus rodwayi) is a species of small freshwater fish in the family Characidae native to lowland South America, where they are abundant in coastal floodplains. Their name comes from a powdery golden tint on their body that is...

Head-and-taillight tetra

Hemigrammus ocellifer

Hemigrammus ocellifer is a South American freshwater fish, also described by the synonyms Hemibrycon ocellifer and Tetragonopterus ocellifer. Common names include beacon fish, beacon tetra, head-and-tail light tetra and head-and-taillight tetra. It...

Costello tetra

Hemigrammus hyanuary

The Costello tetra is a species of characin from the Amazon basin and is found in Brazil and Peru. The specific name comes from Lake Hyanuary in Brazil. Other common names used in English are January tetra and green neon. The name "green neon" is...