Welcome! to CoralRealm ...
We're a community of members from more than 60 countries and 48 states that come together to share a passion for coral reef marine life and learn and see more!

The Demoiselles - Reef Gems
The demoiselles (genus Chrysiptera) are among the most beautiful of all the damselfishes. It also contains some of the smallest and most overlooked pomacentrids. This Pictorial Profile examines most of the species in this genus. Includes 17 photos! GO!

Clown Blennies
There are many fishes on the reef that can bring a smile to the face of a human observer. But few have as comical a countenance as the blennies. GO!

Antipredation Behavior
of Reef Fishes

Many reef fishes spend a considerable amount of time and energy trying to avoid being eaten. In this series of articles, we will look at the antipredation strategies and tactics employed by fishes to avoid their piscine neighbors. GO!

Nudi Falls Virtual Dive
Make a "Virtual Dive" on one of Lembeh's most popular dive sites -- Nudie Falls. A narrated journey with 21 photos. GO!

Education can be fun!
School with the Best CoralRealm University Online, an extension of CoralRealm.com. Our mission is to provide our members with high-quality information and resources to make learning fun and engaging...
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Highlights of CoralRealm
- Major Sections --
 Fish Encyclopedia
1000+ species descriptions with photos and facts
 Feature Articles
Articles on fishy topics like behavior, reproduction and classification
  Virtual Dives
Entertaining and educational narrated virtual experiences
  Interactive Map
Locate reef fish and sharks by oceans regions. Just point and click!
 Shark Encyclopedia
More than 120 descriptions and photos plus much more.
  Destination Planning
Find the best dive destinations that match your unique preferences!
  Photos & Videos
More than 1500 beautiful images by the best UW photographers
  Special Resources
Dive travel tips, Life Lists, virtual postcards, forum, games and more!

Test Your Fish & Shark ID Skills!
Fish of the Day  |   Shark of the Day

Marine Life Encyclopedias

Search our Reef Fish or Shark Encyclopedias containing more than 1200 descriptions and photos! Learn their habitats, behaviors and much more!

Crusty Cleaners - Crustaceans that clean fish
Did you know there are shrimps in the "cleaning business"? This interesting feature article details the cleaning behavior of many types of shrimps. Included is a photo gallery with information on biology and behavior. GO!

Deepsea Sharks
Command the CoralRealm submersible on a mission to investigate deepsea sharks. Loads of information on biology and numerous photos. Some of the weirdest sharks in the sea! No experience necessary! GO!

Dazzling Dottybacks
Although often overlooked because of their small size, the dottybacks are some of the most colorful and interesting fishes on Indo-Pacific coral reefs. Learn more about them here!