{{Short description|Only species in the gastropod family Hydromylidae}} {{Speciesbox | image = Hydromyles globulosa.jpeg | taxon = Hydromyles globulosus | parent_authority = Gistel, 1848 | authority = (Rang, 1825) | synonyms = {{collapsible list | bullets = bulletson|'''Genus:'''|''Psyche'' <small>Rang, 1825 (Preocc.)</small>|''Euribia'' <small>Rang, 1827 (Preocc.)</small>|''Anopsia'' <small>Gistel, 1848</small>|''Philopseudes'' <small>Gistel, 1848</small>|''Halopsyche'' <small>Keferstein, 1862</small>|''Theceuribia'' <small>Keferstein, 1862</small>|''Halopsyche'' <small>A. E. Verrill, 1880</small>|''Verrillopsyche'' <small>Cossmann, 1900</small>|'''Species''':|''Psyche globulosa'' Rang, 1825|''Anopsia gaudichaudi'' <small>(Gray, 1850)</small>|''Euribia gaudichaudi'' <small>Gray, 1850</small>|''Euribia gaudichaudii'' <small>(Missp.)</small>|''Euribia globulosa'' <small>(Rang, 1825)</small>|''Eurybia gaudichaudi'' <small>(Gray, 1850)</small>|''Halopsyche gaudichaudi'' <small>(Gray, 1850)</small>|''Halopsyche gaudichaudii'' <small>(Missp.)</small>|''Halopsyche globulosa'' <small>(Rang, 1825)</small>|''Hydromyles gaudichaudii'' <small>(Gray, 1850)</small>|''Hydromyles globulosa'' <small>(Missp.)</small>|''Theceurybia gaudichaudii''<small> (Missp.)</small>}} | synonyms_ref = <ref>[https://www.marinespecies.org/aphia.php?p=taxdetails&id=719622 ''Hydromyles globulosus'' (Rang, 1825)]</ref> }}

'''''Hydromyles globulosus''''' is the only species of sea slug in the genus '''''Hydromyles''''', and the only member of the family '''Hydromylidae'''.<ref>{{Cite web |title=Report: ''Hydromyles globulosus'' |url=https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=78117#null |access-date=2022-09-14 |publisher=ITIS}}</ref> It is commonly found in the Indo-Pacific Ocean.<ref name=":0">{{Cite web |title=Marine Species Identification Portal : Hydromyles globulosa |url=https://pelagic-molluscs.linnaeus.naturalis.nl/linnaeus_ng/app/views/species/nsr_taxon.php?id=116561&cat=TAB_DESCRIPTION&epi=169 |url-status=live |archive-url=https://web.archive.org/web/20230401153310/https://pelagic-molluscs.linnaeus.naturalis.nl/linnaeus_ng/app/views/species/nsr_taxon.php?id=116561&cat=TAB_DESCRIPTION&epi=169 |archive-date=1 April 2023 |access-date=2022-09-14 |website=species-identification.org}}</ref><ref name=":2">{{Cite book |last1=Torres |first1=Joseph J. |url=https://books.google.com/books?id=jFlZEAAAQBAJ&dq=Hydromyles+globulosus&pg=PA513 |title=Life in the Open Ocean: The Biology of Pelagic Species |last2=Bailey |first2=Thomas G. |date=2022-01-14 |publisher=John Wiley & Sons |isbn=978-1-119-84031-2 |language=en}}</ref> The species is pelagic, carnivorous and viviparous.<ref name=":0" /><ref name=":1">{{Cite web |title=Hydromyles Gistel 1848 - Encyclopedia of Life |url=https://eol.org/pages/46448591 |access-date=2022-09-12 |website=eol.org}}</ref> They are unique among sea angels in that they brood their young.<ref name=":2" /> Their young develop within the body of their mother, and emerge as juveniles.<ref name=":0" /><ref name=":2" /> They are capable of producing an ink-like substance, which they release if disturbed.<ref name=":2" /> == Appearance == <abbr title="Hydromyles">''H. globulosus''</abbr> has a distinct head, round body, and long tentacles.<ref name=":2" /> The body is translucent but the internal organs are bright orange or yellow in colour. Besides tentacles, it has two "wings" derived from its modified foot.<ref name=":0" />

== Distribution and ecology == ''H. globulosus'' is found in the eastern Indo-Pacific Ocean, but its range is strongly influenced by currents.<ref name=":0" /> It is frequently found in large numbers.<ref name=":0" /><ref name=":2" />

== In popular culture == The species was featured in the 2009 video game ''Endless Ocean 2''.<ref>{{Cite web |title=Endless Ocean 2 - Other Fauna & Legends |url=https://www.sporcle.com/games/Wedgewes/eo_ofl |access-date=2022-09-14 |website=sporcle.com |language=en}}</ref><ref>{{Cite web |date=2022-07-23 |title=Nighttime in "Endless Ocean: Blue World" Quiz {{!}} 10 Questions - Chickgolden |url=https://chickgolden.com/how-to-get-hydra-coin-endless-ocean-2-1658591074 |access-date=2022-09-14 |website=chickgolden.com |language=vi}}</ref>

== External links ==

* [https://pelagic-molluscs.linnaeus.naturalis.nl/linnaeus_ng/app/views/species/nsr_taxon.php?id=116561&cat=CTAB_MEDIA&epi=169#gallery-7 Media (includes distribution map) - Pelagic Molluscs 2.0]

== References == <references />{{Taxonbar|from=Q3731654}}

Category:Euopisthobranchia Category:Molluscs of the Indian Ocean Category:Molluscs of the Pacific Ocean Category:Gastropods described in 1825