Atlantic horseshoe crab - Wikipedia
The Atlantic horseshoe crab (Limulus polyphemus), also known as the American horseshoe crab, is a species of horseshoe crab, a kind of marine and brackish chelicerate arthropod. [1] It is found in the Gulf of Mexico and along the Atlantic coast of North America . [ 1 ]
Atlantic Horseshoe Crab - U.S. Fish and Wildlife Service
Horseshoe crabs are living fossils that are a common sight along the U.S. Atlantic coast. They are commonly observed along beaches in the spring when they come on shore to spawn and their spawning aggregations can be very impressive with thousands of animals coming on shore during high tide events.
Atlantic horseshoe crab, facts and photos - National Geographic
Atlantic horseshoe crabs, which predate dinosaurs, are closely related to spiders and scorpions. What is an Atlantic horseshoe crab? Atlantic horseshoe crabs may appear alien, but their history...
Limulus polyphemus - Smithsonian Institution
Limulus polyphemus (Atlantic Horseshoe Crabs) have separate sexes. They migrate into the shallow waters of bays, sounds, and estuaries. Mating and egg laying occurs on high tides at new and full moons in spring and summer.
Natural History: The Amazing Horseshoe - Atlantic horseshoe crab
Horseshoe crabs (Limulidae) are currently represented by four species including Limulus polyphemus (1), which is found along the eastern coast of North and Central America, and three Indo-Pacific species, Tachypleus gigas (4), Tachypleus tridentatus (3) and Carcinoscorpius rotundicauda (2).
Horseshoe Crab - species - Atlantic States Marine Fisheries …
Horseshoe crabs (Limulus polyphemus) are a marine arthropod found along the Atlantic coast from northern Maine to the Yucatan Peninsula and the Gulf of Mexico. The Delaware Bay supports the largest spawning population in the world.
Horseshoe Crab - National Wildlife Federation
The horseshoe crab species found around the United States (Limulus polyphemus) lives in the Atlantic Ocean along the North American coastline. Horseshoe crabs can also be seen along the East and Gulf coasts of the United States and Mexico.
American horseshoe crab | chelicerate | Britannica
Best known is the single American species Limulus polyphemus, specimens of which can reach a length of more than 60 cm (2 feet), though males and females typically average lengths of 36.6–38.1 cm (14–15 inches) and 45.7–48.3 cm (18–19 inches) respectively.
Despite their name, horseshoe crabs are not true crabs. The Atlantic horseshoe crab, Limulus polyphemus, is the only member of the Arthropoda subclass Xiphosura found in the Atlantic.
Horseshoe crab - Wikipedia
Horseshoe crabs are arthropods of the family Limulidae and the only surviving xiphosurans. Despite their name, they are not true crabs or even crustaceans; they are chelicerates, more closely related to arachnids like spiders, ticks, and scorpions.