- Amazing Colonial AnimalsCorals are not plants or rocks, but animals. They belong to a group called cnidarians, which also includes jellyfish and sea anemones.
Coral reef - Wikipedia
When alive, corals are colonies of small animals embedded in calcium carbonate shells. Coral heads consist of accumulations of individual animals called polyps, arranged in diverse shapes. Polyps are usually tiny, but they can range in size from a pinhead to 12 inches (30 cm) across.
Reef-building or hermatypic corals live only in the photic zone (above 70 m), the …Wikipedia · Text under CC-BY-SA licensePorites - Wikipedia
See more on en.wikipedia.orgSpecimens of Porites are sometimes available for purchase in the aquarium trade. Due to the strict water quality, lighting and dietary requirements, keeping Poritesin captivity is very difficult. Most Porites that are collected have Christmas tree worms (Spirobranchus giganteus) that bore into the coral, serving as additional aestheti…- Estimated Reading Time: 7 mins
Coral - New World Encyclopedia
WEBCorals are those marine invertebrates of the phylum Cnidaria and the class Anthozoa that have external or internal calcareous skeletons. The skeletons of these animals are also called coral. Corals exist as small polyps (as …
Coral Reefs - National Geographic Society
WEBOct 19, 2023 · Coral reefs are important ocean habitats and offer a compelling case of the risks of climate change.Reefs provide a large fraction of Earth’s biodiversity —they have …
- Estimated Reading Time: 7 mins
Corals - National Geographic Society
WEBCorals are small marine animals. The “hard” type of coral grows with the help of algae, which gives it color and nutrients that help it form a sturdy, stony skeleton. Reefs, which …
Coral Reefs and Corals | Smithsonian Ocean
WEBCoral reefs are the most diverse of all marine ecosystems. They teem with life, with perhaps one-quarter of all ocean species depending on reefs for food and shelter. This …
NOAA CoRIS - What are Coral Reefs
WEBMay 14, 2024 · What are Coral Reefs. Appearing as solitary forms in the fossil record more than 400 million years ago, corals are extremely ancient animals that evolved into modern reef-building forms over the last 25 …
Morpho-functional traits of the coral - Nature
WEBAug 24, 2022 · The morphological architecture of photosynthetic corals modulates the light capture and functioning of the coral-algal symbiosis on shallow-water corals. Since …
Corals | National Geographic
WEBAnimals. Photo Ark. Corals. 3:37. WATCH: Coral Reefs 101. What are coral reefs? Coral can be found in tropical ocean waters around the world. But how much do you know …
