Tetra (Hemigrammus callistus)

TETRA (Hemigrammus callistus)

  • Tetras (Hemigrammus callistus), neon tetra (Hyphasobrycon insect) and black widow tetra (Gymnocorymbus ternizi) are the common species of tetras.  Tetras have blue or green glittering colouration extending from eye to the tail.

Tetra


Last modified: Friday, 16 September 2011, 7:16 AM