I have a friend/coworker who refers to these as "boutique" ecosystems/organisms. They're the ones that are really easy to love/study/want to preserve, like cora

I have a friend/coworker who refers to these as "boutique" ecosystems/organisms. They're the ones that are really easy to love/study/want to preserve, like coral reefs and clownfish, or kelp forests and sea otters.