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ASIRA: Captive Coral Care
- Provides information designed to help educate aquarists on the basics of marine biology and chemistry and on the proper care of common aquarium corals.
- Information from Wikipedia on this phylum of aquatic organisms that were previously called the Coelenterata.
- An attractive and informative site from the Tree of Life Project, by Daphne G. Fautin and Sandra L. Romano.
Coral Health and Monitoring Program
- Services to help improve and sustain coral reef health throughout the world. Part of an international network of coral reef researchers.
- Factsheet from the FAO on the Sardinia Coral which is gathered for the production of jewellery, its distinguishing features, distribution, habitat and biology.
Flowers of the Sea: Cnidaria
- Photographic study by Jean-Marie Cavanihac of these marine organisms.
Freshwater Jellyfish: Craspedacusta sowerbyi
- Photographic study by Gen-yu Sasaki of these organisms.
Galaxy of Images: Corals and Other Zoophytes
- Provides images from the printed books and manuscripts in the collections of the Smithsonian Institution Libraries.
Introduction to the Cnidaria
- Sea anemones, medusae, jellyfish, corals.
- Information on this Australian jellyfish, Carukia barnesi, believed to be the most venomous creature in the world. Provides details of the symptoms, precautions, treatment and locations where it is found.
- Photographic study by Jean-Marie Cavanihac of these marine organisms, with some animated sequences.
- Lophelia.org is a comprehensive cold-water coral resource, collating information on the deep-sea, cold-water coral ecosystems, biodiversity and key species.
Mysteries of the Cnidarians
- This article describes the cnidarians, usually considered simple, brainless animals and then discusses the complex genome they possess which does not fit in with previous evolutionary ideas.
- General information about the phylum that includes jellyfish, coral, hydra.
Sea Wasps and other Nightmares
- Article by Richard Howey on jellyfish and other creatures of the sea that have stinging cells or produce toxins.
Sexual Reproduction in Freshwater Jellyfish
- Some fine photographs and an explanation of this process, provided by Gen-yu Sasaki.
What's New in Cnidarian Biology?
- Article by G O Mackie considering why people study cnidarians, their economic importance and their conceptual interest. [PDF]
Devastating Coral Disease may have Bacterial Cause
- Researchers have identified the possible cause of a virulent coral disease that until now has been mysterious. (June 24, 2008)
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