Tench

Tench (Tinca tinca) is a freshwater fish native to Europe and western Asia. Its small scales, olive-green coloring, and tolerance of warm, low-oxygen water distinguish it from many other European carps.

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Tinca tinca: The scientific name of the tench, a species of freshwater fish in the carp family. This is the species identified by the common name tench.
Recreational fishing: Fishing practiced for leisure rather than primarily for commercial harvest or subsistence. Anglers target tench in lakes, ponds, and canals.
Common carp: A large domesticated and wild freshwater fish, Cyprinus carpio, native to Eurasia. Common carp is a familiar relative often sharing waters with tench.
Golden tench: A golden-colored ornamental form of tench selectively bred for garden ponds. This conspicuous color form is commonly kept where ordinary tench is less visible.
Freshwater fish conservation: The protection and management of fish species and populations living in inland waters. Conservation decisions must distinguish native tench populations from introduced ones.
Cyprinidae: A large family of freshwater fishes that includes carps, minnows, barbs, and tench. Tench belongs to this family of ray-finned fishes.
Aquaculture: The farming of aquatic organisms, including fish, plants, and shellfish. Tench is raised in fish farms and stocked ponds.
Crucian carp: A small Eurasian freshwater fish, Carassius carassius, adapted to ponds and other still waters. Crucian carp shares tench's pond habitats and is another member of Cyprinidae.
Tench fishing: Angling directed at catching tench, typically in still or slow-moving waters. This fishery centers on the tench's feeding habits and favored habitat.
Biological invasion: The spread and ecological effects of organisms introduced beyond their native ranges. Introduced tench may alter communities, but impacts depend on local conditions.