Zebra Danio 2.5-3.5cm

Danio rerio

This type of minnow is found in south Asia, but has been seen as far north as the Himalayas!

Aquarists favour these fish for their sociable and calm demeanour, though it's worth noting that they may exhibit aggression when placed in a tank with limited space or overcrowded conditions.

In scientific studies, the zebrafish is highly valued as a frequently utilised vertebrate model. It plays a pivotal role in research focused on biomedicine and developmental biology, specifically in investigating neurobehavioral phenomena.