The Digestive System of the Christmas-Tree Hydroid (Pennaria Distichs)
The Hydras min sourced of food come from insects, larvae, crustaceans, and small fish. the Hydras digestive system is very similar to that of a coral. A difference between them is that in the Christmas-Tree Hydras digestive system happens on a lot smaller of a scale. In case you do not know the digestive system of a coral, go to the Carrubba tab, then to the Cnidaria sub-tab, and then click on sunset coral sub-sub-tab to find more info.