January Tetra (Hemigrammus hyanuary)
From The Aquarium Wiki
57 Litres (15 US G.)
4.1-4.3cm (1.6-1.7 ")
6.0 - 7.5
23 -27 °C (73.4-80.6°F)
- January Tetra, Costello Tetra
Sexing[edit | edit source]
- The female is more full and rounded in the belly than males. The male has a small hook on its anal fin. This is not always easy to see.
Tank compatibility[edit | edit source]
- A peaceful shoaling community fish that should be kept in groups of 6 or more. Keep with other peaceful community fish.
Diet[edit | edit source]
- Will accept most foods including pellet and flake as well as live/frozen food such as daphnia, brine shrimp and bloodworm.
Feeding regime[edit | edit source]
- Feed once or twice a day.
Environment specifics[edit | edit source]
- Prefers a densely planted tank with dark substrate and floating plants and some open swimming space.
Behaviour[edit | edit source]
- An active peaceful shoaling fish.
Identification[edit | edit source]
- An elongate slender Tetra which is pale in base colour with a vivid bright yellow lateral line from the gills to the caudal peduncle. At the caudal peduncle there is a large black dot. The caudal fin itself is sharply forked and and the fins are mainly translucent with a slight yellow tint.
Conservation Status[edit | edit source]
- According to the IUCN Red List, the Costello Tetra is a species of least concern and has a stable population.
Pictures[edit | edit source]
[edit | edit source]
- Fishbase (Mirrors: )