List of hydroids of the Houtman Abrolhos

A total of 38 hydroid species have been collected at the Houtman Abrolhos. 34 of these are leptothecates, the remainder being anthoathecates. 35 of them (92%) attach to temperate algae; the remaining, the others to coral rock. This is a list of hydroids of the Houtman Abrolhos:

Anthoathecatae

 * Corynidae
 * Sarsia eximia
 * Candelabridae
 * Candelabrum harrisoni
 * Eudendriidae
 * Eudendrium ?minutum
 * Cytaeididae
 * ?Perarella sp.