Animalscaretips
Nematocysts
How does the nematocyst stinger protect the animal?
These venom-filled cells discharge tiny harpoon-like structures (called nematocysts) that are used to both capture prey and defend against would-be pr...
Nematocysts are found only in what?
nematocyst, minute, elongated, or spherical capsule produced exclusively by members of the phylum Cnidaria (e.g., jellyfish, corals, sea anemones). On...
What type of animal uses toxins on nematocysts to capture prey?
Nematocysts are one technique used by members of the phylum Cnidaria that really packs a punch. What type of animal uses toxins on nematocysts to capt...
How do nematocysts work for Cnidarians?
The nematocyst is a coiled thread-like stinger. When the nematocyst is called upon to fire, the thread is uncoiled, and springs straight. The harpoon-...
Where are the nematocysts of the hydra located?
Hydras have four types of nematocysts on their tentacles and ectoderm (outer layer of cells), which are used for a variety of purposes. The largest ne...
What is the difference between the nematocysts of a hydra and those of a sea anemone?
What is the difference between the NEMATOCYSTS of a hydra and those of a sea anemone? Hydra nematocysts are triggered with pressure while the sea anem...
How do nematocysts help some animals get food?
Most cnidarians, especially anemones and jellyfish, use their nematocysts to sting and capture food. The nematocysts on the animal's body come in cont...