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Pair of horseshoe crabs
Limulidae is the only recent family of the order Xiphosurida and contains all the 4 living species known of the class Xiphosura, formerly called Merostomata. The best known species is the horseshoe crab (Limulus polyphemus), whose ancestors can first be seen in the Devonian period's fossil record. They are found along the northwestern Atlantic coast and in the Gulf of Mexico. Horseshoe crabs are found in shallow water on soft sandy bottoms.
The entire body of horseshoe crab is protected by a hard, dark brown carapace. They have two large compound eyes and multiple smaller simple ones atop the carapace. Beneath the carapace they look quite similar to a large spider. They have five pairs of legs for walking, swimming and moving food into the mouth. Behind their legs, they have book gills, which exchange respiratory gases and are also occasionally used for swimming. While they can swim upside down, they usually are found on the ocean floor searching for worms and mollusks, which are their main food. They may also feed on crustaceans and even small fish.
In the spring, Horseshoe crabs migrate to certain shallow coastal waters. Males select a female and cling onto her back. The female digs a hole in the sand and lays her eggs while the male fertilizes them. The female can lay between 60,000-120,000 eggs in batches of a few thousand at a time. The eggs take about 2 weeks to hatch. The larvae continue to molt six times during the first year. It takes 11 years to reach sexual maturity, after which they may live up to 14 more years.
Horseshoe crabs were formerly harvested for use as fertilizer. Currently they are harvested for their blood, which contains a chemical called Limulus Amoebocyte Lysate (LAL) that is used to detect pathogens and their endotoxins, and used as bait for the eel and conch fisheries.
The other three species of this subclass are found along Asian coasts from Japan and Korea, down to the Philippines and in India.
Retrieved from "http://en.wikipedia.org/wiki/Limulidae"
Originally posted by SE7EN
This is kinda what I was looking for it looks like to me the pic posted is some type of isopod or realated to that type of family do a quick search on google.
The road from Chelyabinsk to Kasli is straight, well-paved and stippled with radiation signs nailed to the slender birches along the roadside. The signs warn visitors that "mushrooming, gathering berries and herbs and fishing" are banned. But one kilometer outside Kasli, 120 km north of Chelyabinsk, a pink-cheeked roadside vendor is illegally selling freshly caught carp from the trunk of a battered Zhiguli sedan. As is so often the case in modern-day Russia, no one is exactly sure what the law is — and it is frequently ignored anyway. What is certain is that the fish, said to be caught in nearby Lake Shablish, is practically bristling with contaminants.
Ecologist Nikolai Shchur buys one, but not to eat. An exhaustive radiation test, carried out by the Federal Agricultural Radiology Center in Chelyabinsk, registers 314 becquerels per kg of strontium-90 in its bones — more than three times the permissible level set by the Codex Committee on Food Additives and Contaminants, and enough to increase the risk of leukemia or bone cancer. The head of a pike, caught the same day in nearby Lake Alabuga, contains 152 becquerels per kg, 1.5 times the permissible level.