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Listen to Episode 3: Why are trout vital to Wyoming’s ecosystem?
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Trout Vocabulary
Spawn: (noun) The eggs of aquatic animals such as fish or frogs. (verb) The act of releasing or depositing eggs by an aquatic animal such as a fish or frog.
Species: A group of closely related organisms. Members of a species are capable of interbreeding and producing fertile off-spring.
Egg: The roundish reproductive body produced by the female of certain animals, such as birds, reptiles or fish. Eggs consist of an ovum and its envelop of albumen, jelly, membranes, and egg case.
Alevin: A newly hatched salmon or trout still carrying the yolk.
Reproduction: The production of a new organism or “offspring” made by its parents.
Live Birth: An organism develops inside a mother’s embryo, as opposed to developing in an egg outside their mother’s body.
Tributary: A river or stream that flows into a larger river or lake.
Reservoir: An enlarged natural or artificial lake used to store water.
Guppy: Poecilia reticulata, also known as rainbow fish, is one of the world’s most widely distributed tropical fish and one of the most popular freshwater aquarium fish species.


Cutthroat Trout Life Cycle
Yellow Perch Life Cycle
Aquatic Ecosystems of Yellowstone Video
https://www.nps.gov/media/video/view.htm?id=D3AF8762-A502-B956-9286024592D3DB1E
Aquatic Insects Including Bug Keys and Lesson Plans
https://extension.usu.edu/waterquality/learnaboutsurfacewater/propertiesofwater/aquaticmacros