Hermit Crabs

Paguroidea Latreille 1802

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Paguroidea (Hermit Crabs) is a superfamily of decapods. There are 1099 species of Hermit Crabs, in 117 genera and 5 families. It includes groups like Paguridae, Diogenidae, and Pylojacquesidae. They rely on drag powered swimming to move around.

URI: https://eol.org/schema/terms/drag_based_swimming
Definition: Drag swimmers use a cyclic motion where they push water back in a power stroke, and return their limb forward in the return or recovery stroke. When they push water directly backwards, this moves their body forward, but as they return their limbs to the starting position, they push water forward, which will thus pull them back to some degree, and so opposes the direction that the body is heading. This opposing force is called drag. The return-stroke drag causes drag swimmers to employ different strategies than lift swimmers. Reducing drag on the return stroke is essential for optimizing efficiency.

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EOL has data for 14 attributes, including:

cellularity
- URI: http://purl.obolibrary.org/obo/PATO_0001992
- Definition: An organismal quality inhering in a bearer by virtue of the bearers consisting cells. [ PATOC:GVG ]
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multicellular
- URI: http://purl.obolibrary.org/obo/PATO_0001993
- Definition: A cellularity quality inhering in a bearer by virtue of the bearers consisting of more than one cell. [ PATOC:GVG ]
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known marine species
- URI: http://eol.org/schema/terms/DescribedAcceptedSpecies
- Definition: number of currently described and taxonomically accepted marine species in this clade (Appeltans et al. 2012. The Magnitude of Global Marine Species Diversity. Current Biology 22, 2189–2202. http://dx.doi.org/10.1016/j.cub.2012.09.036)
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1106
ecomorphological guild
- URI: http://eol.org/schema/terms/EcomorphologicalGuild
- Definition: organisms that share certain morphological traits due to adaptation to similar environments and ecological roles
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epifaunal
- URI: http://www.marinespecies.org/traits/Epifaunal
- Definition: An animal living on the surface of the substratum.
- Attribution: http://www.marinespecies.org/traits/wiki/Traits:Epifaunal
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geographic distribution includes
- URI: http://eol.org/schema/terms/Present
- Definition: This organism is known to be present in this location or region. Not exclusive; other regions may also be reported.
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California
- URI: http://www.geonames.org/5332921
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habitat
- URI: http://purl.obolibrary.org/obo/RO_0002303
- Definition: x has habitat y if: x is an organism, y is a habitat, and y can sustain and allow the growth of a population of x
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intertidal zone
- URI: http://purl.obolibrary.org/obo/ENVO_00000316
- Definition: The area of the foreshore and seabed that is exposed to the air at low tide and submerged at high tide, i.e., the area between tide marks.
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locomotion
- URI: http://purl.obolibrary.org/obo/GO_0040011
- Definition: Self-propelled movement of a cell or organism from one location to another.
- Attribution: [database_cross_reference: GOC:dgh]
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drag powered swimming
- URI: https://eol.org/schema/terms/drag_based_swimming
- Definition: Drag swimmers use a cyclic motion where they push water back in a power stroke, and return their limb forward in the return or recovery stroke. When they push water directly backwards, this moves their body forward, but as they return their limbs to the starting position, they push water forward, which will thus pull them back to some degree, and so opposes the direction that the body is heading. This opposing force is called drag. The return-stroke drag causes drag swimmers to employ different strategies than lift swimmers. Reducing drag on the return stroke is essential for optimizing efficiency.
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mineralized skeleton contains
- URI: https://eol.org/schema/terms/mineralizedSkeletonContains
- Definition: Component found in mineralized skeletal tissue, (a specialized form of biogenic tissue in which the extracellular matrix is mineralized, and which functions in mechanical and structural support.)
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calcium phosphate
- URI: http://purl.obolibrary.org/obo/CHEBI_77635
- Definition: A calcium salt composed of calcium and phosphate/diphosohate ions; present in milk and used for the mineralisation of calcified tissues.
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motility
- URI: http://www.wikidata.org/entity/Q33596
- Definition: ability to move spontaneously and actively, consuming energy in the process
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actively mobile
- URI: http://eol.org/schema/terms/activelyMobile
- Definition: uses self-propelled locomotion to change location on a regular basis
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undescribed marine species present in museum collections
- URI: http://eol.org/schema/terms/UndescribedSpeciesInMuseumCollections
- Definition: "marine species in this clade which are currently represented in specimen collections (estimate) (Appeltans et al. 2012. The Magnitude of Global Marine Species Diversity. Current Biology 22, 2189–2202. http://dx.doi.org/10.1016/j.cub.2012.09.036)"
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200
visual system
- URI: http://purl.obolibrary.org/obo/UBERON_0002104
- Definition: The sensory system subserving the sense of vision.
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compound eyes
- URI: http://purl.obolibrary.org/obo/UBERON_0000018
- Definition: A light sensing organ composed of multiple ommatidia, visual units consisting of a limited number of rhabdomeric photoreceptor cells, cornea-secreting epithelial cells, interommatidial pigment cells, and sometimes crystalline cone cells
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Known occurrences, collected specimens and observations of Hermit Crabs. View this species on GBIF

JAMSTEC cc-by-nc-4.0

Hermit Crabs includes 5 children: