With its purple-tipped green tentacles and domed shape, it’s no wonder this jelly has such a fashionable name. The flower hat jelly is a type of stinger—also known as a cnidarian (pronounced “Ni-dare-ee-an”). Cnidarians are an ancient and primitive form of life. The family includes jellies, corals, and anemones.
Giant Pacific octopuses are one of the largest octopus species. They are relatives of squid and part of the cephalopod class of animals. The name “cephalopod” means “head-foot,” and refers to the attachment of the tentacles to the head. Cephalopods have the largest brains of any invertebrate. Octopuses and squid in particular are two of the quickest learners, and best at retaining information.
You can recognize a sand tiger shark by its cone-shaped, flattened snout and its tall, notched tail fin. Although these sharks often swim with their mouths open, exposing rows of sharp teeth, they are not considered dangerous. They like shallow water and sometimes rest on the sea floor. They can also dive deep into the ocean.
More >>