ExploreFish

Brown Trout

Salmo trutta

The Brown Trout is a common fish with beautiful brown spots on its body! They are great swimmers and can be found in many rivers.

Habitat: Cold freshwater rivers and lakes

Appearance

The Brown Trout has a torpedo-shaped body with a mix of brown, gold, and green on its back, fading to creamy yellow underneath. Its sides are speckled with distinctive dark spots, often ringed with pale halos, and a few red or orange spots.

KingdomAnimaliaPhylumChordataClassActinopterygiiOrderSalmoniformesFamilySalmonidaeGenusSalmo

Brown Trout

Interesting facts

A Brown Trout can leap over 6 feet high to jump up waterfalls!

Brown Trout love cold, clear water and need it to survive.

Some Brown Trout migrate to the sea, becoming 'sea trout,' then return to rivers!

They lay thousands of eggs in nests called "redds" on riverbeds.

Special abilities

Brown Trout can change their skin patterns and colors to blend perfectly with their riverbed or lake surroundings, helping them hide from predators and ambush prey.

Brown Trout can leap impressively high out of the water to overcome obstacles like small waterfalls, helping them reach important spawning grounds upstream.

Brown Trout has a powerful sense of smell that helps them detect prey and find their way back to their home streams, even in murky water.

Measurements & details

Length: 30-70 cm
Weight: 0.5-5 kg
Lifespan: 4-10 years
Swim Speed: 15 km/h
Max Depth: 50 m
Water Type: Freshwater

Diet & Feeding

Brown Trout are hungry hunters who eat lots of different creatures, from insects to smaller fish!

Age differences: Young trout mostly eat insects, while older, larger trout prey on small fish and crustaceans.

Primary Foods

Aquatic insects
Terrestrial insects
Small fish
Crayfish
Worms

Foraging Method

Ambush

Ecological connections

eaten by

Osprey

Pandion haliaetus

Ospreys dive from the sky to catch trout.

eaten by

European Otter

Lutra lutra

Otters are skilled hunters that prey on fish like trout.

eats

Olive Upright Mayfly

Baetis rhodani

Young trout eat the larvae of these common river insects.

hunts

Three-spined Stickleback

Gasterosteus aculeatus

Larger trout actively hunt and eat smaller fish like sticklebacks.

Traits

Wildlife

Step into the incredible world of wild animals and plants living freely in nature. From tiny insects to towering trees, it's all part of the wild wonders around us!

Camouflaged

Look closely for animals that are masters of disguise, blending perfectly into their surroundings! Their colors and patterns help them hide from others.

Colorful

Discover amazing plants and animals that show off a dazzling array of bright and beautiful hues! They use their vibrant colors to attract attention or send signals.

Piscivorous

Discover amazing animals that love to eat fish! They're like expert underwater hunters, always on the lookout for a tasty meal from the rivers, lakes, and oceans.

Longevous

Marvel at organisms that have an incredible capacity to live for a very, very long time, sometimes spanning centuries or even millennia. They are the elders of the natural world!