The pet trade often harms wildlife but some dedicated amateur fish-keepers are working to keep many species of fish from extinction
Source:
https://www.newscientist.com/article/2218831-home-aquarium-hobbyists-are-helping-save-30-rare-fish-from-extinction/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home