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A fact from Halimeda opuntia appeared on Wikipedia's Main Page in the Did you know column on 18 November 2021 (check views). The text of the entry was as follows:
Did you know... that when watercress algae grows on degraded coral reefs, coral larvae settle on the seaweed as readily as they do on the rubble substrate?
The following is an archived discussion of the DYK nomination of the article below. Please do not modify this page. Subsequent comments should be made on the appropriate discussion page (such as this nomination's talk page, the article's talk page or Wikipedia talk:Did you know), unless there is consensus to re-open the discussion at this page. No further edits should be made to this page.
... that when watercress algae grows on degraded coral reefs, coral larvae settle on the seaweed as readily as they do on the rubble substrate? Source: "About half the larvae in the live algal treatment settled on H. opuntia instead of on the rubble, showing that larvae did not reject this substrate as they did the algal mimic."
Overall: The article is new enough, long enough, neutral, within policy, and no copyvio is detected. The hook is cited and interesting. QPQ has done. Good to go! Htanaungg (talk) 10:33, 6 November 2021 (UTC)[reply]