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humans have killes the population of most trout...... Man-made dams, vegetation loss, warming water.........
Lydia Schulist
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∙ 15y agoman... bigger trout...
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What animals eat the greenback cutthroat trout?
The predators of the greenback cutthroat trout are also natives of the Colorado area. These animals include bears, bull trout, and humans.
What are rainbow trouts predators?
Brown trout eat rainbow trout. So do people and other predatory birds, mammals, and fish.
What are the predators of the rainbow fish?
Brown trout eat rainbow trout. So do people and other predatory birds, mammals, and fish.
What are the predators of water snails?
some dwarf puffers loach fish goldfish trout
How do you explain the color variation in the trout population?
The color variation in the trout is because the trout are camouflaging themselves so they can't be seen by predators. For example in the meadow, trout are in the shadows so their backs will be dark whereas in the rapids it is light so the trouts' back will be light.
What are the predators of fishers?
Brown trout eat rainbow trout. So do people and other predatory birds, mammals, and fish.
What do farm raised trout eat?
Trout will sometimes eat plankton, but they are predators. Plants are not on their menu. There are a lot of different varieties, and their diets vary as their habitat does. Use the link below for more information. It will take you to Wikipedia's article on the trout. You can link to different types of trout from there and check their diets.
What are some predators of Harbor Porpoises?
Predators - large sharks and Killer Whales. Prey - small octopuses, squids, and fish like groats, croakers and sea trout.
What is a caddisflys adaptations?
Trout, swallows, bats, maybe dragonflies . . . They only live on the order of a day or less, so the predators have to be quick!
What blood sucking parasitic fish invaded the Great Lakes in the 1930's almost wiping out the Lake trout population?
An invasive species called the sea lamprey entered the Great Lakes .The lamprey preyed on the trout and had no natural predators.
What biotic factors affect the Canterbury mudfish?
The main threat to the Canterbury mudfish is abiotic - loss of habitat through human activity, but biotic effects are:introduced predators such as trout;natural predators such as eels, herons and shags.
What eats a spottail shiner?
A wide variety of predators eat the spottail shiner, which is a type of minnow. The walleye, rainbow trout and northern pike are examples.
