A fact from Lytechinus pictus appeared on Wikipedia's Main Page in the Did you know column on 22 October 2018 ( check views). The text of the entry was as follows: Did you know... that aggregations of painted urchin have been recorded with a density of 80 individuals per square metre? A record of the entry may be seen at Wikipedia:Recent additions/2018/October. The nomination discussion and review may be seen at Template:Did you know nominations/Lytechinus pictus.

This article is rated Start-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects:

Marine life Low‑importance This article is part of WikiProject Marine life, an attempt at creating a standardized, informative, comprehensive and easy-to-use resource on marine life. If you would like to participate, you can choose to edit this article, or visit the project page where you can join the project and/or contribute to the discussion. This project is an offshoot of the WikiProject Tree of Life.Marine lifeWikipedia:WikiProject Marine lifeTemplate:WikiProject Marine lifeMarine life articles Low This article has been rated as Low-importance on the project's importance scale. Marine life To do: history watch purge Have a look at the Marine life WikiProject and sign up. Here are some tasks you can do, as organized by The Marine life Wikiproject: Collaboration of the week: Marine life article assessment Other: See the projects page Images: Upload any non-copyrighted marine life images to Wikimedia Commons Featured Articles/ Good Articles: Other: Add {{Portal|Marine life}} to related articles Animals Low‑importance Lytechinus pictus is within the scope of WikiProject Animals, an attempt to better organize information in articles related to animals and zoology. For more information, visit the project page.AnimalsWikipedia:WikiProject AnimalsTemplate:WikiProject Animalsanimal articles Low This article has been rated as Low-importance on the project's importance scale. WikiProject Animals To-do: history watch purge Here are some Open Tasks : Copyedit: Merge: GLAM/ARKive donated texts into articles about endangered species. Improve: Photoperiodism, Tool use by non-human animals, Omnivore, Animal suicide, Sphaerium beckmani (a species in family Sphaeriidae), Requests: Mammals: Invertebrates: Campocraspedon Fishes: Zaniolepis frenata Merge: GLAM/ARKive donated texts into articles about endangered species. Expand: Junqueira cow, Atka mackerel Nominate and vote: Science collaboration of the month, Article Improvement Drive, WikiProject Animals Collaboration

It is requested that a photograph be included in this article to improve its quality. The external tool WordPress Openverse may be able to locate suitable images on Flickr and other web sites.

Upload

I am sad that there is no picture of the "painted urchin". I specifically came from the Main Page DYK to see it. Axl ¤ [Talk] 11:58, 22 October 2018 (UTC) reply

These Urchins are also overpopulating, due to loss of the main predator from disease. This is a placeholder for an additional section. Dominick ^(TALK) 12:59, 22 October 2018 (UTC) reply

https://news.ucsc.edu/2018/03/sea-stars.html Sea star wasting disease Dominick ^(TALK) 13:29, 22 October 2018 (UTC) reply