Siphonophore Life Cycle
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Siphonophore life cycle. Siphonophores belong to the cnidaria a group of animals that includes the corals hydroids and true jellyfish. There are about 175 described species. Schematic of a physonect siphonophore. A schematic comparison of the three types of siphonophores.
The dashed lines are place holders for structures that are not present. Like many hydrozoa velella velella has a bipartite life cycle with a form of alternation of generations. The deep blue by the wind sailors that are recognized by. A typical sea anemone is a sessile polyp attached at the base to the surface beneath it by an adhesive foot called a basal or pedal disc with a column shaped body.
In 1999 this siphonophore praya dubia not seen here before delivered painful stings to bathers. Its polyps look like a long woolly barbed wire up to 2m. Lions mane jellyfish cyanea capillata photograph by wayne curtis sunderland british distribution. Common off the west coast of scotland and in the northern north sea.
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