Phase Contrast Image Gallery
Budding Hydra - Positive
Hydras are freshwater relatives of saltwater anemones and corals that live in the open sea. Their bodies are tubular, translucent, and may vary in color. Hydras attach to rocks by a single foot on one end. The other end has a small opening, which can ingest nutrients and expel wastes, surrounded by many stinging tentacles. The tentacles are used in a variety of ways to stun, capture, and maneuver prey. Because their bodies are very elastic, hydras can catch and eat animals much larger than themselves.






