👉 Quavers are a type of fish found in lakes, rivers, and other bodies of water. They are generally small, with an average length of around 2-3 inches (50-120 mm). The specific characteristics of quavers vary depending on their habitat, but they are typically known for their distinctive appearance and ability to swim at a speed of up to 18 miles per hour (29 km/h) in still water. Quavers are often kept as pets or