Back before the first sea urchin die-off, Levitan recalled seeing reefs in the U.S. Virgin Islands blanketed in the spiny creatures.

Source: https://www.gjsentinel.com/news/us/mystery-solved-scientists-id-caribbean-sea-urchin-killer/article_e5c5f527-2a1d-5d34-9731-f1de1fdfab84.html

In terms of real seahorses, the long-snouted and spiny creatures can be found along the north coast of Northern Ireland but not close to Belfast.

Source: https://www.bbc.co.uk/news/uk-northern-ireland-65280621?at_medium=RSS&at_campaign=KARANGA

It’s recommended that you wear pants as devils club is a spiny prickly plant that makes up the understory in these forests.

Source: https://www.arrowlakesnews.com/community/connecting-kootenay-residents-to-old-growth-forests/

The closed season is to give lobsters a chance to breed and repopulate, and during the period, it is illegal to catch, buy or sell spiny lobsters.

Source: https://jamaica-star.com/article/news/20230316/big-fines-catching-lobster-out-season