{{Short description|Species of octopu}} {{Speciesbox | image = Octopus tonganus.jpg | status = DD | status_system = IUCN3.1 | status_ref = <ref>{{cite iucn |author=Allcock, L. |author2=Taite, M. |author3=Allen, G. |year=2018 |title=''Abdopus tonganus'' |volume=2018 |article-number=e.T163317A998069 |doi=10.2305/IUCN.UK.2018-2.RLTS.T163317A998069.en |access-date=10 September 2025}}</ref> | taxon = Abdopus tonganus | authority = Hoyle, 1885 }}
'''''Abdopus tonganus''''' is a species of octopus found in Tonga. It was first described as ''Octopus tonganus'' in 1885 by William Evans Hoyle<ref>{{Cite web |title=Abdopus tonganus (Hoyle, 1885) |url=https://www.marinespecies.org/aphia.php?p=taxdetails&id=534519 |access-date=2025-09-10 |website=World Register of Marine Species}}</ref> based on three mutilated specimens from reefs in Tongatapu.<ref>{{Cite journal |last1=Hoyle |first1=William E. |last2=Hoyle |first2=William E. |date=1885 |title=Diagnoses of new species of Cephalopoda collected during the cruise of H.M.S. Challenger. Pt 1. The Octopoda |url=https://www.biodiversitylibrary.org/part/53197 |journal=The Annals and Magazine of Natural History; Zoology, Botany, and Geology |volume=15 |page=225 |via=Biodiversity Heritage Library}}</ref>
== Description == ''A. tonganus'' is small,<ref name=":0">{{Cite book |last1=Norman |first1=Mark D. |author-link1=Mark Norman (marine biologist) |url=https://openknowledge.fao.org/server/api/core/bitstreams/57241695-4904-470b-b9e2-ee36fbe1a947/content |title=Cephalopods of the World: An Annotated and Illustrated Catalogue of Cephalopod Species Known to Date |last2=Finn |first2=Julian K. |last3=Hochberg |first3=F.G. |author-link3=Eric Hochberg (biologist) |publisher=Food and Agriculture Organization of the United Nations |year=2016 |isbn=978-92-5-107989-8 |editor-last=Jereb |editor-first=Patrizia |series=FAO Species Catalogue for Fishery Purposes No. 4, Vol. 3 |volume=3. Octopods and Vampire Squids |location=Rome |page=63 |chapter=Family Octopodidae |editor-last2=Roper |editor-first2=Clyde F.E. |editor-link2=Clyde Roper |editor-last3=Norman |editor-first3=Mark D. |editor-link3=Mark Norman (marine biologist) |editor-last4=Finn |editor-first4=Julian K.}}</ref>{{Reference page|page=515}} with a mantle length of up to 35 millimeters.<ref name=":0" /> It has a broad mantle, narrow neck, small head, and long arms. The suckers of ''A. tonganus'' are large and set deeply into the arms. The skin is rugose. ''A. tonganus'' is purple-black dorsally and light yellow-tan ventrally with small, round papillae scattered across the skin.<ref name=":1">{{Cite book |last1=Toll |first1=Ronald B. |url=https://repository.si.edu/bitstream/handle/10088/6317/SCtZ-0586_VolII-Lo_res.pdf |title=Systematics and Biogeography of Cephalopods |last2=Voss |first2=Gilbert L. |author-link2=Gilbert L. Voss |publisher=Smithsonian Institution Press |year=1998 |editor-last=Voss |editor-first=Nancy A. |series=Smithsonian Contributions to Zoology Number 586 |volume=II |location=Washington, DC |chapter=The Systematic and Nomenclatural Status of the Octopodinae Described from the West Pacific Region |editor-last2=Vecchione |editor-first2=Michael |editor-link2=Michael Vecchione |editor-last3=Toll |editor-first3=Ronald B. |editor-last4=Sweeney |editor-first4=Michael J.}}</ref>{{Reference page|pages=515-516}} Its eggs are up to 2.8 millimeters in length.<ref>{{Cite journal |last1=Villanueva |first1=Roger |last2=Norman |first2=Mark D. |author-link2=Mark Norman (marine biologist) |date=2008 |title=Biology of the Planktonic Stages of Benthic Octopuses |url=https://www.taylorfrancis.com/chapters/edit/10.1201/9781420065756-6/biology-planktonic-stages-benthic-octopuses-roger-villanueva-mark-norman |journal=Oceanography and Marine Biology: An Annual Review |volume=46 |pages=111–208 |doi=10.1201/9781420065756-6 |isbn=978-0-429-13725-9 |url-access=subscription }}</ref>
== Distribution == The distribution of ''A. tonganus'' is known only from its type locality.<ref name=":1" />{{Reference page|page=516}} Like most species in genus ''abdopus'', it is intertidal,<ref name=":0" /> typically found in intertidal reefs and shallow water<ref>{{Cite journal |last=Huffard |first=Christine L. |date=2007-10-31 |title=Four new species of shallow water pygmy octopus (Mollusca: Cephalopoda) from the Kingdom of Tonga |journal=Molluscan Research |volume=27 |issue=3 |page=147 |doi=10.11646/mr.27.3.5 |issn=1323-5818}}</ref> and active during the day.<ref>{{Cite journal |last1=Loganimoce |first1=Epeli M. |last2=Brown |first2=Kelly T. |last3=Savou |first3=Rusila |last4=Kitolelei |first4=Jokim V. |last5=Tukana |first5=Max |last6=Southgate |first6=Paul C. |last7=Lal |first7=Monal M. |date=2023-04-08 |title=Octopuses in the south-west Pacific region: a review of fisheries, ecology, cultural importance and management |journal=Reviews in Fish Biology and Fisheries |volume=33 |issue=4 |page=984 |doi=10.1007/s11160-023-09772-9 |bibcode=2023RFBF...33..977L |issn=0960-3166}}</ref>
== References == {{reflist}}
{{Taxonbar|from=Q13221078}}
Category:Octopodidae Category:Cephalopods described in 1885 Category:Taxa named by William Evans Hoyle {{Octopus-stub}}