Sea Spider
Related Category: Zoology: Invertebrates
common name for members of the class Pycnogonida, long-legged, rather spiderlike organisms of the phylum Chelicerata, widely distributed in marine waters. Most are tiny, from 1 to 9 mm (0.04-0.36 in.
Sea spiders are relatives of crustaceans and belong to the class Pycnogonida. They stride around the ocean bottom on their long legs and suck their meals out of sessile animals like anemones and some echinoderms with their tube-like mouth parts.
: They are prey to certain species of sea stars, sea spiders, sea-slugs and even a species of snail that feeds on the anemone's tentacles. According to many scientists, global warming will cause rising sea levels.
These are animals whose body is covered with a hard shell. Crustaceans are mostly sea-living animals. The Antarctic waters are very rich in crustaceans such as krill, crabs, shrimp, sea spiders, and many others.
Other marine invertebrates ...
 See also: Spider, Crustacean, Chelicerata, Scorpion, Arachnid
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