Horseshoe Crab

The Life of Animals | Horseshoe Crab | The whole body of the horseshoe crab is protected by a hard shell. Horseshoe crabs are normally swim backward inclined approximately 30 ° with respect to. Juveniles grow about 33% larger with each molt until they reach adult size. During the breeding season, horseshoe crabs migrate to coastal waters. Males select a female and cling to his back. The female digs a hole in the sand and lay their eggs while the male fertilizes them. Many waders eat eggs to hatch. Eggs take about two weeks hatch. It proved difficult to raise horseshoe crabs in captivity. There are reasons to believe that mating occurs only in the presence of sand or clay, in which the horseshoe crab eggs hatch.

Unlike mammals, horseshoe crabs, the hemoglobin in the blood, but instead use hemocyanin to carry oxygen. Because of the presence of copper in hemocyanin, their blood blue. Their blood contains amoebocytes which plays a role similar to that of white blood cells of vertebrates to defend the body against pathogens. L. polyphemus amebocyte blood used for the preparation of Limulus amebocyte lysate, which is used to detect bacterial endotoxins. Harvesting Horseshoe crab blood involves collecting and bleeding the animals and release them into the sea most of the animals survive the process, mortality related to both the amount of blood from a particular animal, and experience stress during handling and transport.

Horseshoe crabs are used as bait to fish for eel (U.S. in particular) and Whelks. However, the horseshoe crab temporarily prohibited in New Jersey (moratorium on farm) and limited to men in Delaware. It is assumed that the low population of horseshoe crabs in the Delaware Bay threatening the future of the red ribbon.  

Find The Life of Animals

Post Labels

Albatross Alligator Amphibian Anteater Antelope Ape Armadillo Aves Avocet Axolotl Baboon Badger Bandicoot Barb Bat Bear Beaver Bee Beetle Beetle Horns Binturong Bird Birds Of Paradise Bison Boar Bongo Bonobo Booby Budgerigar Buffalo Bugs Bull Butterfly Butterfly Fish Caiman Camel Capybara Caracal Cassowary Cat Caterpillar Catfish Cattle Centipede Chameleon Chamois Cheetah Chicken Chimpanzee Chinchilla Cicada Cichlid Civet Clouded Leopard Clown Fish Coati Collared Peccary Common Buzzard Cougar Cow Coyote Crab Crane Critically Endangered crocodile Crustacean Cuscus Damselfly Deer Dhole Discus Dodo Dog Dolphin Donkey Dormouse Dragon Dragonfly Duck Dugongs Eagle east Concern Eastern Rosella Echidna Eel Elephant Emu Extinct Falcon Fennec fox Ferret Fish Flamingo Flatfish Flounder Fly Fossa Fox Frog Gar Gazelle Gecko Gerbil Gerridae Gharial Gibbon Giraffe Goat Goose Gopher Gorilla Grasshopper Green Anaconda Guinea Fowl Guinea Pig Gull Guppy Hamster Hare Harp seal Hawk Hedgehog Heron Hippopotamus Horse Hummingbird Hyena Ibis Iguana Impala Insect Invertebrate Jackal Jaguar Jellyfish Jerboa Kangaroo Kestrel Kingfisher Kiwi Koala Komodo Kowari Kudu Ladybird Ladybug Larvae Lemming Lemur Leopard Liger Lion Lizard Llama Lobster Loris Lynx Macaque Magpie Mammoth Manta Ray Markhor Marsupial Mayfly Meerkat Mermaid Millipede moles Mollusca Mongoose Monkey Moorhen Moose Mosquito Moth Mule Near Threatened Newt Nightingale ntelope Nudibranch Numbat Octopus Okapi Omnivore Orangutan Oriole Ornamental Birds Ornamental Fish Ostrich Otter owl Oyster Pademelon Panda Panthera Parrot Peacock Pelican Penguins Phanter Pig Pika Pike Platypus Polar Bears Porcupine Possum Prawn Primate Puffer Fish Puffin Puma Quoll Rabbit Raccoon Rare Rat Reindeer Reptile Rhino Robin Rodent Salamander Salmon Scorpion Scorpion Fish Sea ​​horse Sea lion Seals Serval Shark Skunk Snake spider Squid Squirrel Starling Bird Stoat Stork Swan Tapir Tarantula Threatened Tiger Tortoise Toucan Turtle Vulnerable Vulture Walrus Warthog Weasel whale Wildebeest Wolf Wolverine Wombat Woodlouse Woodpecker Zebra

Blog Archive