Archive for the 'Jellyfish or Jellies' Category
Nope, here is a short list of terms used to describe certain groups of ocean animals when they congregate together.
Jellyfish swim in a smack.
Whales swim in a pod.
Herring swim in a seige.
Penguins walking together on land is called a waddle.
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Yes, they do. All jellies have specialized structures called cnidoblasts. Inside the cnidoblasts are capsules called nematocysts. Inside each nematocyst is a coiled, hollow thread. Nematocysts are triggered by mechanical (touch) or chemical stimuli. When they fire, the thread turns inside out, pierces its prey and delivers its venom. A jelly’s tentacles and oral arms [...]
Jellies don’t technically float; they’re neutrally buoyant (or close to it). Floating would be bad. It would mean being stuck on the surface, like a boat. Jellies are mostly water-up to 96%. What’s left is mostly the “jelly” in a jellyfish, the mesoglea. Jellies sink exceedingly slowly, and make up for it with just a [...]
It was another great weekend on the beach for my family and everyone has new and exciting Beach Chair Scientist questions. The best part about being a Beach Chair Scientist is to clarify misconceptions, so I am going to first start with the question, “What are jellyfish?”
Jellyfish, contrary to their popular common name, are not [...]
