# Homolidae

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> Source: https://en.wikipedia.org/wiki/Homolidae
> Source revision: 1264219366
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{{Short description|Family of crabs}}
{{Automatic taxobox
| image = Paromola cuvieri.jpg
| image_caption = ''[Paromola cuvieri](/source/Paromola_cuvieri)''
| display_parents = 2
| taxon = Homolidae
| authority = [De Haan](/source/Wilhem_de_Haan), 1839
}}

The family '''Homolidae''', known as '''carrier crabs'''<ref name=":0">{{Cite web |title=Family Details for Homolidae - carrier crabs |url=https://sealifebase.se/summary/FamilySummary.php?ID=440 |access-date=2024-09-03 |website=sealifebase.se}}</ref> or '''porter crabs''',<ref>[http://species-identification.org/species.php?species_group=crabs_of_japan&id=42&menuentry=groepen Family Homolidae (Porter crabs)] at the [http://species-identification.org Marine Species Identification Portal]</ref> contains 14 genera of marine [crab](/source/crab)s. They mostly live on the [continental slope](/source/continental_slope) and [continental shelf](/source/continental_shelf), and are rarely encountered.<ref name="Wicksten"/> Members of the Homolidae have their fifth [pereiopod](/source/pereiopod)s (last pair of walking legs) in a sub-dorsal position, which allows them to hold objects in place over the rear half of the [carapace](/source/carapace).<ref name="Wicksten">{{cite journal |author=Mary K. Wicksten |year=1985 |title=Carrying behavior in the family Homolidae (Decapoda: Brachyura) |journal=[Journal of Crustacean Biology](/source/Journal_of_Crustacean_Biology) |volume=5 |issue=3 |pages=476–479 |jstor=1547919 |doi=10.2307/1547919|doi-access=free }}</ref> The objects carried include [sponge](/source/sponge)s, [black coral](/source/black_coral)s and [gorgonian](/source/gorgonian)s, and this behaviour may be a defence mechanism against [predator](/source/predator)s.<ref name="Wicksten"/> Some species have been observed carrying living [sea urchin](/source/sea_urchin)s in a [symbiotic](/source/symbiosis) relationship which allows them to benefit from the protection of the urchin's dangerous spikes.<ref>{{Cite web |url=http://underwaterphotos.com/article5.htm |title=Relationships on the Reef |access-date=2011-04-26 |archive-url=https://web.archive.org/web/20110811071547/http://underwaterphotos.com/article5.htm |archive-date=2011-08-11 |url-status=dead }}</ref><ref>[http://video.nationalgeographic.com/video/player/kids/animals-pets-kids/invertebrates-kids/crab-carrier-kids.html Carrier Crab video] {{webarchive|url=https://web.archive.org/web/20110220035401/http://video.nationalgeographic.com/video/player/kids/animals-pets-kids/invertebrates-kids/crab-carrier-kids.html |date=2011-02-20 }}, [National Geographic](/source/National_Geographic_Society)</ref><ref>{{Cite web|title = Carrier Crab|url = http://video.nationalgeographic.com/video/crab_carrier|archive-url = https://web.archive.org/web/20140312151842/http://video.nationalgeographic.com/video/crab_carrier|url-status = dead|archive-date = March 12, 2014|website = video.nationalgeographic.com|accessdate = 2015-06-11}}</ref><ref>{{Cite web|title = Natural Bling: 6 Amazing Animals That Decorate Themselves|url = http://news.nationalgeographic.com/2015/06/150610-animals-camouflage-decoration-bugs-science|archive-url = https://web.archive.org/web/20150611230313/http://news.nationalgeographic.com/2015/06/150610-animals-camouflage-decoration-bugs-science/|url-status = dead|archive-date = June 11, 2015|website = National Geographic News|accessdate = 2015-06-11|first = Mary|last = Bates|date=June 10, 2015}}</ref> 

The genus was erected by Dutch zoologist [Wilhem De Haan](/source/Wilhem_de_Haan) in 1839.<ref name=":0" />

==Genera==
A total of 14 genera are currently recognised in the family:<ref>{{cite web |author=Peter Davie & Michael Türkay |year=2011 |title=Homolidae |publisher=[World Register of Marine Species](/source/World_Register_of_Marine_Species) |url=http://www.marinespecies.org/aphia.php?p=taxdetails&id=106744 |accessdate=April 27, 2011}}</ref>
*''[Dagnaudus](/source/Dagnaudus)'' <small>Guinot & Richer de Forges, 1995</small>
*''[Gordonopsis](/source/Gordonopsis)'' <small>Guinot & Richer de Forges, 1995</small>
*''[Homola](/source/Homola_(crab))'' <small>Leach, 1816</small>
*''[Homolax](/source/Homolax)'' <small>Alcock, 1899</small>
*''[Homolochunia](/source/Homolochunia)'' <small>Doflein, 1904</small>
*''[Homologenus](/source/Homologenus)'' <small>A. Milne-Edwards, in Henderson, 1888</small>
*''[Homolomannia](/source/Homolomannia)'' <small>Ihle, 1912</small>
*''[Ihlopsis](/source/Ihlopsis)'' <small>Guinot & Richer de Forges, 1995</small>
*''[Lamoha](/source/Lamoha)'' <small>Ng, 1998</small>
*''[Latreillopsis](/source/Latreillopsis)'' <small>Henderson, 1888</small>
*''[Moloha](/source/Moloha)'' <small>Barnard, 1947</small>
*''[Paromola](/source/Paromola)'' <small>Wood-Mason & Alcock, 1891</small>
*''[Paromolopsis](/source/Paromolopsis)'' <small>Wood-Mason & Alcock, 1891</small>
*''[Yaldwynopsis](/source/Yaldwynopsis)'' <small>Guinot & Richer de Forges, 1995</small>

==References==
{{Reflist}}

{{Taxonbar|from=Q2441841}}

Category:Dromiacea
Category:Taxa named by Wilhem de Haan
Category:Decapod families

{{Dromiacea-stub}}

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Adapted from the Wikipedia article [Homolidae](https://en.wikipedia.org/wiki/Homolidae) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Homolidae?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.