Identifying Freshwater Fish: The Most Common Species at a Glance
Identifying Native Freshwater Fish
Predatory Fish
Pike — elongated body, duck-bill-shaped mouth. Greenish-grey mottled pattern. Minimum size: 50 cm.
Perch — distinctive green vertical stripes, red belly fins, spiny dorsal fin. Minimum size: 15–20 cm.
Zander — slimmer than pike, pale flesh. Minimum size: 40–50 cm.
Coarse Fish
Carp — sturdy body, large scales, barbels around the mouth.
Roach — silvery, red eyes and fins. The most common whitefish in Germany.
Tench — shimmering greenish-gold, very small scales, slimy skin.
Salmonids
Brown trout — reddish-brown with black and red spots. Needs cool water. Minimum size: 25–35 cm.
Important: minimum sizes vary by state — always check the fishing rights calendar!