Sea Nettle Jellyfish

by Cynthia Guinn

Title

Sea Nettle Jellyfish

Artist

Cynthia Guinn

Medium

Photograph - Photopainting

Description

Chrysaora quinquecirrha (commonly named the Atlantic sea nettle or East Coast sea nettle) is a widely distributed species of jellyfish that inhabits tropical and subtropical parts of the Atlantic and Indo-Pacific. It is frequently seen along the East Coast of the United States, such as the Chesapeake Bay.
The sea nettle is radially symmetrical, marine, and carnivorous. Its mouth is located at the center of one end of the body, which opens to a gastrovascular cavity that is used for digestion. It has tentacles that surround the mouth to capture food. Nettles have no excretory or respiratory organs. Each sea nettle is either in a free-swimming stage or a polyp stage. The free-swimming stage, or medusa stage reproduces sexually, and the polyp stage reproduces asexually.
The Atlantic sea nettle is a bell-shaped invertebrate, usually semi-transparent and with small, white dots and reddish-brown stripes. Sea nettles without stripes have a bell that appears white or opaque. The nettle's sting is rated from "moderate" to "severe" and can be pernicious to smaller prey; it is not, however, potent enough to cause human death, except by allergic reaction. While the sting is not particularly harmful, it can cause moderate discomfort to any individual stung. The sting can be effectively neutralized by misting vinegar over the affected area.
Wilmington, North Carolina USA.
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Uploaded

July 27th, 2017

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