noun
- a freshwater fish of North America with a high arched back and long dorsal fin rays
Usage: zoology
Examples
- The angler caught a large quillback in the river.
- Quillbacks are commonly found in the Great Lakes region.
- The quillback’s distinctive high back makes it easy to identify.
- Biologists studied the quillback population in the watershed.
- The quillback feeds primarily on algae and small invertebrates.