The zebra fish is one example: You can cut out about 20 percent of a zebra fish's heart, and the heart will grow back to normal.
The other winning photomicrographs we chose included subjects such as a wasp’s nest, the olfactory bulbs of zebra fish, seaweed, soy sauce, cancer cells, sulfur and a rat retina.
In contrast, studies on dogs and cats, rabbits, guinea pigs, zebra fish, fruit flies and other animals have remained about the same.
When I watched a tiny zebra fish for over three hours through a confocal microscope, waiting for it to feed on paramecium, the patience needed for research became apparent.
Finally, the acute toxicity of the ethyl acetate polar fraction to non-targets was studied with zebra fish.
Scientists have found that small male zebra fish adopt sneaky tactics to improve their chances of reproducing, the BBC reported.
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