The neon tetra is the most famous and plentiful of all of the tetra species found in the ornamental fish trade. Each month, approximately 2 million neon tetra are sold in the U.S. alone.

This means a 5-centimeter-long adult cardinal tetra would require a tank holding at least 5 liters of water. This water content excludes the plants and other aquarium decorations you might add to ...

Fish-inspired material changes color using nanocolumns. ScienceDaily . Retrieved June 1, 2025 from www.sciencedaily.com / releases / 2019 / 03 / 190320101931.htm ...

Neon Tetra Neon tetras are small, peaceful, grouping fish known for their glowing blue and red stripes. They’re perfect for community aquariums and do well in schools of six or more.