Nematocyst Discharge This cell is one of thousands on the tentacles of this starlet sea anemone and other cnidarians, including hydra and jellyfish. These cells contain poison darts that sting ...

Obelia spp. are cnidarian hydromedusae with a cosmopolitan distribution but very little is known about their feeding. The small size of Obelia (bell diameter ∼ 1 mm, tentacle width ∼ 0.05 mm) suggests ...

Nematocyst Discharge This cell is one of thousands on the tentacles of this starlet sea anemone and other cnidarians, including hydra and jellyfish. These cells contain poison darts that sting ...