Tetras are easy to keep, but a few simple tips make a huge difference in their health and color. This video covers filtration, tank mates, diet, and the water parameters they love most. You’ll see how ...

Cavefish exhibit resilience to chronic sleep loss and tolerate elevated DNA damage and reduced DNA repair responses without compromising healthspan or longevity.

TETRA Technologies has surged nearly 86% from my buy rating a year ago, and its valuation now appears stretched relative to industry peers. TTI's forward P/E ratio of 31 far exceeds Halliburton and ...

Mexican tetras are a most peculiar fish species. They occur in many rivers and lakes across Mexico and southern Texas, where they look perfectly ordinary. But unlike most other fishes, tetras also ...

The new tetra fish species measure about half an inch long, according to researchers. Photo by Lopez, G. G. S., Souza, C. S., Reia, L., Mantuaneli, L. A., Morales, B ...

During a field expedition to the “heart” of the Amazon basin in Brazil, researchers discovered two small fish in the region’s tea-colored waters that were previously unknown to science. The fish, both ...

Tetras are colorful, active, and easy to care for if you know what they need. This guide covers everything from tank setup and diet to behavior tips for keeping your tetras happy and healthy. Nine ...

Office: Tetra Tech is based in Pasadena. Pasadena-based engineering, consulting and infrastructure firm Tetra Tech Inc. nabbed a trio of contracts last month.The ...