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Corals Corals All corals belong to the Phylum Cnidaria (Ni-da´-ri-a). The cnidarians are a natural group of invertebrate animals that have a simpler organization than most other inverte

Soft Coral Fragging

The corals discussed in this article are capable of growing very fast. Fragging is in your future whether you realize it or not. Some of the slimy beginner corals like mushrooms, ...

The coral reef crisis: The critical importance of

Branching corals, especially shallow-water Acroporawhichare primary habitat builders, will become brittle and more easily damaged leading to extensive habitat deterioration.

An Overview of the Exploitation, Trade and Management of ...

Although sedimentation and destructive fishing methods may pose more risk to Indonesian coral reef ecosystems as a whole, the commercial extraction of corals cannot be overlooked.

Corals Subject Review

*oceanservice.noaa.gov/education Subject Review Corals 8.

NOAA National Ocean Service Education: Corals

NOAA National Ocean Service Education: Corals NOS home NOS education home site index This site NOAA Corals Roadmap Corals Lesson Plans Welcome What are Corals?

Soft Corals

© 2004, PETCO Animal Supplies, Inc. All rights reserved . (0315) 1 of 2 Soft corals are leathery or fleshy colonies with a soft skeleton. They are hardier than hard corals and grow rapidly.


Most corals consist of many small polyps living together in a large group or a colony. A single polyp has a tube-shaped body with a mouth which is surrounded by tentacles.

30-gallon or larger aquarium Appropriate food

© 2004, PETCO Animal Supplies, Inc. All rights reserved . (0315) 1 of 2 "Stony" or "hard" corals have a hard calcium carbonate skeleton. They are a popular saltwater invertabrate for aquariums because of their beautiful colors or flower-like appearance.

The State of Corals and Recommendations for Recovery

This report was written by Patty Debenham, Ph.D. Contributing authors and editorial assistance from: Andrew Baker, Ph.D., Elisabeth Banks, Shannon Crownover, Lauren Cuneo, Hollis A. Hope, Corinne Knutson, Cindy Krupp, Dawn M. Martin, Bruce McKay, Elizabeth Neeley, Eric Punkay, Julia Roberson ...