Articles related to "Brittle Stars"

All echinoderms are clearly related, but exactly how the five types came about is not clear.

Many aquarists add the requisite one to two pounds of live rock per gallon without truly appreciating the benefit it brings to the health and stability of the system.

Every summer brings a mass spawning by coral species at the Flower Gardens Banks National Marine Sanctuary in the Gulf of Mexico.

Despite fears of "cuke nuke," sea cucumbers are amongst the best sandbed cleaners the aquarist can add to his or her clean-up crew.

Sponges come in an incredible array of colors and an amazing array of body shapes. Their simple structure belies their wide spread distribution.

Being able to find and identify the invertebrates that you find in the intertidal zone can make a trip to the beach even more fun.