(chiefly in combination) Any of various fish of the genera Danio or Devario.
1995, Mary Bailey, The Ultimate Aquarium, Smithmark, page 158,
Danios are very similar to barbs but are much slimmer-bodied.
2019, Madelaine Francis Heleine, Freshwater Aquariums For Dummies, Wiley (For Dummies), page 155,
For example, danios need to be fed often because they have high metabolism rates.
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