10 Creepiest Crustaceans in the World

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Published on June 29, 2018 1:00:04 PM ● Video Link: https://www.youtube.com/watch?v=N-TYAKSYIIE

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Creepiest crustaceans in the world. These creatures, such as giant crabs & sea monsters, live in the deepest parts of the sea. Here are the most bizarre crustaceans.

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10: shrimp
The shrimp or the ghost shrimp is known for its threadlike semitransparent body. Using its short spikey legs, the skeleton shrimp anchors itself to coral, sponges & seaweed. Additionally it assumes an angular pose, in order to resemble the fronds among which they live. Skeleton shrimps are omnivorous, feeding on smaller amphipods & crustacean larvae.
9: Masked Crab
The masked crab, also known as the helmet crab, is a burrowing crab whose carapace can grow up to 1.6 inches long. Its name was inspired by the patterns on its carapace that resemble a human face. The two elongated antennae at the head end of its carapace form a breathing tube that allows oxygenated water down into the substrate. Masked crabs are usually found in the North Atlantic & North Sea from Portugal to Norway & also in the Mediterranean Sea.
8: Remipedes
Remipedes are a species of crustaceans that resemble centipedes. They’ve long, segmented bodies with dozens of paddling limbs. A remipede grows up to 1.6 inches long but it lacks eyes & pigmentation. Fortunately, they live in the darkest areas of the deep underground water. They are also the arthropods that are most closely related to insects.
7: Shrimp
The shrimp or alpheid shrimp is a very noisy species of crustaceans whose snapping sounds can even interfere with sonar & underwater communication. Its name was inspired by its large claw, that can be on either arm & has a feature made of two parts. The upper part of the claw is pulled backward into a right-angled position. When released, it snaps into the lower part of the claw, emitting a wave of bubbles. Interestingly enough, the shrimp’s snapping sound competes with noises made by much larger animals such as the sperm whale.
6: Pram Bug
The pram bug is a species of deep sea crustaceans found throughout the world’s oceans except for the polar region. Its body is semitransparent & is often compared to the creatures of the movie “Alien” due to its elongated head but also its parasitoid lifestyle. Using its mouth & claws, the pram bug will eat the salp & hollow out its gelatinous shell in order to enter it & lay its eggs inside.
5: Crab
The crab is a marine crab with a triangular upward oriented body & spider-like legs. While its body is drawn out into a long point with serrated edges that can reach 2.4 inches in length, its legs are thin & can grow up to 3.9 inches. They’re used for controlling bristle worm populations in reef aquariums.
4: Sacculina
Sacculina is a crustacean known for injecting itself into the body of a host crab & taking over its body. Sacculinas live in marine environments & their primary host is the green crab, native to the Eastern Atlantic Ocean. It’s body can be divided in two parts. The first, called externa, is a bulbous reproductive organ that sticks out of the abdomen of the host. The other part, called interna, is composed of root like dendrils that wrap themselves around the host’s organs. Male Sacculina & female Sacculina have different life cycles. The crab’s energy is no longer expended on reproduction & it develops a nurturing behavior towards the Sacculina. There are currently more than 100 species of Sacculina recognized.
3: Mantis shrimp
Mantis shrimp or stomatopods are marine crustaceans that grow from around 4 to 15 inches. The largest one ever caught measured 18 inches & was found in the Indian River near Fort Pierce, Florida. They’ve one of the most elaborate visual systems ever discovered. The eyes of mantis shrimps carry 16 types of color-receptive cones & can see ultraviolet & polarized light. Furthermore, they’ve trinocular vision, being able to see objects using one of the three different parts of their eyes.
2: Japanese spider crab
The Japanese spider crab is a species of marine crab that has the largest leg span of any arthropod, reaching up to 18ft from claw to claw. The body can grow to a size of 16 inches in carapace width, & can weigh up to 42 pounds. It uses its carapace as camouflage as its bumpy surface blends into the rocky ocean floor. Living in the waters around Japan & neighboring parts of the Pacific Ocean it’s considered a delicacy. They dwell around vents & caves at depths of 160 – 2.000 feet & feed on plant matter, mollusks & other crustaceans.
1: Sand fleas
Sand flea, also known as sand hopper, is the common name often given to crustaceans that live on sand beaches near the high-tide mark. Their hopping ability is the only resemblance the share to fleas. Sand fleas belong to the Talitridae amphipod family & usually feed on organic debris.