Blue Tetra

Boehlkea fredcochui

Also known as: Cochu's Blue Tetra

A shimmering steel-blue tetra that needs a large group to behave.

Water

Freshwater

Temperature

72–81°F

pH

6–7.5

Hardness

2–12 dGH

Max size

2 in

Min tank

20 gal

Temperament

Semi-aggressive

Social

Schooling (8+)

Swim level

Mid

Diet

Omnivore

Care level

Beginner

Lifespan

3-4 years

Breeding

Egg-scatterer

Suitability

Common

Origin

South America (Amazon, Peru)

Striking but a known fin-nipper in small numbers, so keep a big group of eight or more to diffuse the behavior. Avoid slow, long-finned tankmates. Active and best with similarly lively fish.