Saltwater Fish

More than 200 different species of sea urchins have been discovered. Sea urchins are found in waters all over the world. Although urchins are plentiful, populations have declined as the result of...

Sea urchin gonads, or "roe," are considered delicacies in Europe, Japan and Asia. Known as "uni," urchin roe can demand a high price. Unfortunately, stocks in many coastal waters have become...

Sea anemones are brilliantly colored invertebrates, animals without a spine that make interesting additions to a saltwater aquarium. They have a foot that anchors them to rocks, a tube-shaped...

A sea anemone is an invertebrate polyp with a cylinder body and a mouth encircled by tentacles, according to the Microsoft Encarta Encyclopedia. It belongs in the Anthozoa class, which also...

Scallops---sea and bay---are mollusks with two shells that are attached by a hinge. The shells have a distinctive "scalloped" edge and are similar in shape (but not color), to the logo of a Shell...

Salt-water and fresh-water fish are not the same. There are different techniques when fishing for them, and there are certain precautions that must be taken with salt-water fish that do not apply...

The sea urchin is one of the most easily identifiable sea creatures. Found in oceans around the world, there are many different species of sea urchin. This hard-shelled creature is related to...

Stingrays are gentle creatures, and quickly tamed to feed from your hand. This is a great experience. Saltwater stingrays need a lot of room and special care to stay healthy, so they are not...