(Posts tagged crab)

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Sounds perfect Wahhhh, I don’t wanna
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biomorphosis

The Lybia crab is a species of small crab in the family Xanthidae. It is also referred to as Hawaiian boxer crab, pom-pom crab, cheerleader crab, mosaic boxer crab among many other nicknames. The crabs are known for their signature move of always carrying a small living sea anemone around in each of its claws. 

By waving sea anemone into different routines its dances its way to a free meal, gathering debris and food particles from the ground around the crab’s hiding place. 

If provoked or attacked by a predator, the pom-pom crab (boxing crab) will threaten the aggressor and try to deter it by waving it’s anemones around, the tentacles of which are well armed with cnidocytes (stinging cells). Video

Source: biomorphosis
CHEERLEADER CRAB crab
astronomy-to-zoology
astronomy-to-zoology

Genus Lybia

(Boxer Crabs)

also known as pom-pom crabs, Boxer Crabs are a genus of small crabs in the family Xanthidae (mud crabs). the name pom-pom/or boxer comes from the mutualism that they hold with sea anemones, in which they hold the cnidarian in their claws and use them for defense, and in turn the sea anemone gets more food by moving around.

Phylogeny

Animalia-Arhtropoda-Crustacea-Malacostraca-Decapoda-Branchyura-Xanthidae-Lybia

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tinsnip

Best blog ever. Must be followed.

Lybia Crab Boxer Crab Pom-Pom Crab Sea anemone science animals biology
astronomy-to-zoology
astronomy-to-zoology

Dromiidae

(Sponge Crabs)

Dromiidae is a family of crabs noted for their habit of putting a live sponge onto their “backs” to use as a shelter or camouflage. they hold them in place with a pair of modified back legs which bend upwards. Once the sponge is on the crab the crab will actually trim the sponge to fit the crabs needs using its claws, this is no harm to the sponge and actually benefits it as the sponge can get new bits of organic material from the waterstream as the crab moves around. it also looks like the crab is wearing a huge beanie.

Phylogeny

Animalia-Arthropoda-Crustacea-Malacostraca-Decapoda-Brachyura-Dromiidae

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Dromiidae Sponge Crab crab crustacean science animal behavior sponge porifera