Coral reefs are diverse underwater ecosystems held together by calcium carbonate structures secreted by corals.

---

Size: 3000px × 4669px
Location:
Photo credit: © Science Source / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 19th, animal, animalia, aquatic, art, biology, biome, century, cephalopod, cephalopoda, colorized, coral, cuttlefish, decapodiformes, drawing, ecosystem, enhanced, habitat, historical, illustration, life, marine, mollusk, monster, ocean, ocean-dwelling, reef, sea, sea-dwelling, sepiida