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Stickleback Fish Environment

Topic

  • Anatomy & Physiology
  • Zoology
  • Evolution
  • Paleobiology

Resource Type

  • Videos
  • Clips

Level

High School — GeneralHigh School — AP/IBCollege

Duration

00:01:27
Saved By
3 Users
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Description

This video provides an introduction to the stickleback fish and their predators, which live in freshwater lakes.

During the end of the last ice age, retreating ice sheets created many new lakes, some of which were colonized by stickleback fish. Various traits of stickleback fish made them more or less likely to be hunted by predators in different lakes. For example, spines and armor protect stickleback from predatory fish, such as trout, whereas spines can make stickleback more likely to be caught by some insect predators.

This clip comes from a 2005 Holiday Lecture Series: Evolution: Constant Change and Common Threads.

Key Terms

adaptation, body morphology, freshwater lake, glacier, pelvic spine, predation

Terms of Use

Please see the Terms of Use for information on how this resource can be used.

Version History

Date Published 02.08.05
Date Updated 10.16.20

Materials

Large (MOV) 9 MB
Large (WMV) 9 MB
Small (MOV) 4 MB
Small (WMV) 4 MB
Transcript (PDF) 149 KB

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