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A crab-eating macaque using a stone. Tool use by non-humans is a phenomenon in which a non-human animal uses any kind of tool in order to achieve a goal such as acquiring food and water, grooming, combat, defence, communication, recreation or construction.
Learn how fish use different forms of locomotion to move through water, such as body and tail waves, fin movements, and electric fields. Compare the features and adaptations of various fish groups, from eels to tunas, and their modes of swimming.
Common names of fish can refer to a single species; to an entire group of species, such as a genus or family; or to multiple unrelated species or groups. Ambiguous common names are accompanied by their possible meanings. Scientific names for individual species and higher taxa are included in parentheses.
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This fish also occurs in estuaries. largest freshwater pufferfish, they are very peaceful with most fish except, other Mbu pufferfish, other fish that will harass them. see above [82] Congo pufferfish: Tetraodon miurus: 15 cm (5.9 in) As it is an ambush pufferfish it is best to house it alone as it will attack tank mates. See above. [83]
Noodling is a fishing technique that involves placing one's hand or foot inside a catfish hole to catch the fish. It is a traditional practice in some states of the southern and midwestern United States, but it is also dangerous and illegal in some areas.
Vivisection is surgery on living animals for experimental purposes, often opposed by animal rights activists. Learn about the origins, laws and ethical issues of vivisection, as well as some famous examples and figures in the field.
Learn about the coastal cutthroat trout, one of the four species of cutthroat trout in Western North America. Find out its range, description, lifecycle, taxonomy and conservation status.