However, you should not pick up Horseshoe crabs by the tail as you would not want to harm them. These Crabs have ten eyes which brings them closer to be relatives of scorpions, ticks, or even spiders. The Hermit crabs Brachyura infraorderare yet another type of crab. However, they are mainly kept as pets by children due to their small size and the fact that they are much fun to play with. There are over 1, species of Hermit crabs, categorized in seven crab families.
They tend to live in gastropod shells to protect their soft abdomen as they grow. These shells also give them refuge from predators. Hermit crabs take their shells very seriously and are even known to kill other Hermit crabs to acquire their shell. The life span of Hermit crabs ranges from a few months to thirty years. Hermit crabs are quite social in the wild and tend to live in colonies.
Southern European crab Potamon fluviatile another edible freshwater crab. This is a type of green crab that is mainly found within the rivers and streams of Italy, Balkans, and Greece. Compared to seawater crabs, the Southern European crab is quite tiny in size. It covers an average span of about 2inches 5 cm and has been a popular food source for over a hundred years.
The European green crabs are now seen as an invasive species in North America. They are prepared by boiling and have a rich sweet taste. The Brown crabs Cancer Pagurus are a type of edible crab having a reddish-brown shell, claws, and legs. They are very similar to the Florida Stone crab. These crabs are among the most popular crab varieties native to the United Kingdom.
They are medium-sized crabs varieties spanning between 6 to 9 inches about 15 to 22 cm wide. One adult brown crab may weigh over 6. Brown crabs have an oval, pie crust shaped body. The brown meat of the female crab has a rich flavor while the white male has a sweeter flavor. The Florida Stone crabs Menippe mercenaria are another very common type of marine crab. A feature that makes the Florida Stone crab distinguishable from others is the large pincers at the forefront of its body.
These brownish-red colored, black-tipped claws are the same color as its tough shell. A fisherman throws back these crabs in the water after using their claws and their claws naturally grow back after returning in water. Maryland blue crabs are another type of crab characterized by blue color and sharp shells. They are high-in-demand and are uniquely flavored for some good reason. Blue crabs are easily found around the areas of Nova Scotia, in the Gulf of Mexico and on the way to Uruguay.
Right after these blue crabs molt their shell, they are left with a soft outer shell which tastes delicious. Snow crab, or often known as opilio crab, spider crab, chionoecetes and queen crabs, range from brown to red on top and from yellow to white underneath. As the name implies, the snow crabs prefer staying in extremely cold water conditions and snowy environments. Snow crabs can live for up to years and are preferred for their delicate flavor. They have four pairs of walking legs, five pairs of spider legs and one pair of claws.
Another type of crab on the list has some unique characteristics of aggressive habits. They love bullying other creatures and possess some attacking habits.
They are light brown crustaceans with white tipped claws and unusual pair of hairs. Chinese mitten type of crabs can easily be found in brackish waters in wetlands or in rivers.
The giant coconut crab has a number of aliases including the Birgus latro and the palm thief. This giant creature is well-known for being the largest living arthropod in the world.
In recent years, Bairdi crabs have suffered due to overfishing, which has resulted in strict controls being placed over fisheries that specialize in this type of crab.
Found quite frequently on the Eastern coast of the United States, blue crabs can be from 3. Even though they are a beautiful blue color, they do change to a reddish color as other crabs when they are cooked.
They have meat that is tender and sweet, and they are some of the most heavily harvested animals on the planet.
They are bottom-dwelling omnivores whose males can reach up to nine inches in the width of their shell. Also called a robber crab or a palm thief, the coconut crab is the largest land-living arthropod in the world, getting up to nine pounds in weight and up to sixteen inches long.
The reason they are called. Coconut crabs are that they love coconuts and will even climb trees to get at them. Coconut crabs eat meats, nuts, fruits, and seeds, and one aspect that makes them unique is their inability to survive for long periods of time under the water — in fact, they will eventually drown if they are underwater for too long.
Found frequently in territories around the Pacific and Indian oceans, Coconut crabs only have two distinct predators — other Coconut crabs and human beings. Dungeness crabs are very large, usually weighing from 1.
They are found in the waters from Alaska to the Baja area of Mexico and are named for a town called Dungeness, which was formerly found in Washington State. In order to be harvested, they are required by law to be a minimum of 6. Dromiacea is a group of crabs, ranked as a section. It contains living and nearly extinct species. The oldest fossil dating back to the Jurassic period.
Raninoida is a taxonomic section of crabs, containing a single superfamily, Raninoidea. This group of crabs is unlike most, with the abdomen not being folded under the thorax. It comprises 46 extant species, and nearly species known only by fossils. Cyclodorippoida is a group of crabs, ranked as a section. It contains the single superfamily Cyclodorippoidea , which holds three families, Cyclodorippidae, Cymonomidae, and Phyllotymolinidae. The Eubrachyura group of crabs is divided into two subsections: Heterotremata and Thoracotremata.
Crabs in this group are more advanced than other crab species. The two subsections of Eubrachyura are determined by the position of the genital openings on the crabs.
The oldest specimens of the Eubrachyura group date back to the middle Jurassic period. True crabs are crabs that are decapod crustaceans. Decapod crustaceans are ten footed crustaceans and all true crabs fall into this category. True crabs have a short tail in addition to an abdomen that is hidden underneath the thorax.
Coconut crab on a beach. Dungeness Crab.
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