ExploreFish

Brook Trout

Salvelinus fontinalis

The Brook Trout is a small, colorful fish known for its bright spots! They are often found in clear, cold streams.

Habitat: Cold, clean freshwater streams

Appearance

The Brook Trout has a distinctive olive-green back with light, worm-like markings and striking red spots with blue halos along its sides. Its lower fins are orange with a prominent white leading edge, edged in black, making it easy to identify.

KingdomAnimaliaPhylumChordataClassActinopterygiiOrderSalmoniformesFamilySalmonidaeGenusSalvelinus

Brook Trout

Interesting facts

Brook Trout build nests called "redds" on the riverbed to lay their eggs.

Male Brook Trout grow a hooked jaw called a "kype" during mating season. Wow!

They are actually a type of "char," not a true trout!

They are an indicator species, showing if water is clean and healthy. Wow!

Special abilities

Brook Trout has intricate patterns that help them blend perfectly with rocky riverbeds, hiding from predators.

Brook Trout can thrive in super cold, oxygen-rich water because their bodies are adapted for chilly environments.

Brook Trout can sense tiny vibrations in the water using a special lateral line, helping them find hidden prey.

Measurements & details

Length: 25-65 cm
Weight: 0.3-3 kg
Lifespan: 3-7 years
Swim Speed: 15 km/h
Max Depth: 20 m
Water Type: Freshwater

Diet & Feeding

They are clever hunters, munching on aquatic insects, small fish, and other tiny water critters.

Age differences: Young fish eat mostly insects, while larger adults consume more small fish and crustaceans.

Primary Foods

aquatic insects
terrestrial insects
small fish
crayfish
minnows

Foraging Method

Ambush

Ecological connections

eaten by

Osprey

Pandion haliaetus

Ospreys dive from the sky to snatch Brook Trout from rivers and lakes.

eaten by

North American River Otter

Lontra canadensis

River otters are playful hunters that frequently prey on fish like trout.

eats

Green Drake Mayfly

Ephemera danica

Young Brook Trout love to feast on emerging mayfly nymphs and adults.

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!

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!