Tiny as a pinhead,
big as a boulder

Invertebrates play a critical role in the coral reef eco-system. While fishes get much of our attention, it is the invertebrates that dominate the reefscape. The resources in this section of CoralRealm are designed to help you learn more about the incredible biodiversity in the invertebrate world.

Eastern Pacific Slug Hunt
The basic principles of finding any critter apply to slugs: know the habitat, know the habits and know you will be surprised. Go Slug Hunting in the tropical eastern pacific.
GO!


Western Australia Sea Slugs
Everyone loves sea slugs! Read about how and where to find them and about their life history strategies in this fascinating article by nudibranch expert, Clay Bryce. Includes numerous photos of Australian slugs.
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Solar-powered Slugs
The sea slugs, or opisthobranchs, nourish themselves in a variety of different and interesting ways. In this photo gallery, we will look at some of the sea slugs that feed on corals or hydroids and utilize the plant cells in their prey to become solar-powered! GO!


Eastern Pacific
Sea Slugs

The Eastern Pacific is home to many interesting Opisthobranchias (sea slugs). Get an in-depth introduction to these amazing creatures.
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Invertebrate Guide
What You'll Find
- Major Sections --
 Invertebrate Groups
Explore eight common invert groups
  Critter Hunt
Learn about strange, unusual, tiny, cryptic and alien-looking creatures
  Invert Photo Gallery
Close-up images of inverts by the best UW photographers
  Feature Articles
Exclusive features only at CoralRealm.com
Overviews of Invertebrate Groups
 

Sponges

Stony Corals

Soft Corals

Sea Anemones
Select
a
Group

Worms

Crustaceans

Mollusks

Echinoderms

What are Corals?
An introduction to Corals
The corals are often overlooked by the casual observer, because the fishes are so amazing. Corals are the backbone of the reef and their behaviors and interactions with other animals on the reef can be quite interesting. GO!

Are you a marine aquarium enthusiast looking for information related to aquarium keeping or reef-life husbandry?Click Here!
Other Invertebrate Features