Males tend to be more brightly coloured than females, though the latter is required to make sure peace and harmony within your team of danios. According the to IUCN Purple Listing, the Kissing Loach is over the cusp of getting thought of extinct while in the wild, but for now https://share.evernote.com/note/349b0e9e-e2bf-3214-b852-13b231d1c21b