urchins
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Fish, mobile snails, sea urchins, and bivalves such as clams, oysters, and mussels all require faster metabolisms to support movement and, in many cases, predatory lifestyles.
From Science Daily ● Jul. 12, 2026
"In the supermarket, you find luxury products, sea urchins or Dom Perignon champagne, and vegetables have become extremely expensive," pushing some people to do their shopping in a neighbouring town.
From Barron's ● Mar. 20, 2026
Crinoids are part of the phylum Echinodermata which also boasts sea urchins and sea cucumbers.
From BBC ● Feb. 19, 2026
Infected sea urchins became less active, moved in unusual ways, failed to respond to external stimuli, and eventually lost their flesh and spines before dying.
From Science Daily ● Dec. 12, 2025
But I knew that lurking in the tide pools were the treach-erous sea urchins.
From "The Cay" by Theodore Taylor
