National Geographic
Among the myriad creatures that populate our ocean, some stand out as having an outsized impact on the marine environment—shaping and maintaining habitats that themselves sustain countless other forms of life.
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Marine engineers: Five species that shape underwater ecosystems
Johnny Langenheim
03:20
Among the myriad creatures that populate our ocean, some stand out as having an outsized impact on the marine environment—shaping and maintaining habitats that themselves sustain countless other forms of life.
