| 21. | Other examples of anadromous fishes are sea trout, three-spined stickleback, and shad.
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| 22. | Sticklebacks are characterised by the presence of strong and clearly isolated spines in their dorsal fins.
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| 23. | Typically, sticklebacks operate in pairs.
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| 24. | These results provide further evidence for a tit-for-tat cooperation strategy in sticklebacks.
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| 25. | The tit-for-tat cooperation strategy has been shown to be evident in sticklebacks.
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| 26. | Threespine stickleback prefer to join a shoal made up of bold individuals rather than shy ones.
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| 27. | Aquatically, the lake's algae-laden water hosts minnows, sticklebacks and carp.
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| 28. | Some researchers believe they are related to sticklebacks and pipefishes ( order Syngnathiformes ) rather than Perciformes.
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| 29. | Fauna : Insects and sticklebacks are common along the drainage channels along with frogs, smooth newts.
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| 30. | The lakes themselves only contain three-spined sticklebacks and cutthroat trout, and all are on islands.
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