Hallaxa hileenae Eileen's Hallaxa

Hallaxa hileenae is commonly referred to as Eileen's Hallaxa. Difficulty in the aquarium: Not suitable for aquarium keeping. Toxicity: Toxic hazard unknown.

Robin Gwen Agarwal, USA

Hallaxa hileenae 2025

Courtesy of the author Robin Gwen Agarwal, USA Robin Gwen Agarwal (ANudibranchMom on iNaturalist). Please visit www.flickr.com for more information.

Uploaded by Muelly.

Image detail

Profile

lexID:: 8323
AphiaID:: 582453

Scientific:: Hallaxa hileenae
German:: Eileens Hallaxa
English:: Eileen's Hallaxa

Category:: Limaces de mer

Family tree:: Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Actinocyclidae (Family) > Hallaxa (Genus) > hileenae (Species)
Initial determination:: Gosliner & S. Johnson, 1994

Occurrence:: Anilao, Japan, Okinawa, Papua New Guinea, Philippines, the Kermadec Islands, Western Pacific Ocean
Marine Zone:: Subtidal, sublittoral, infralittoral, deep zone of the oceans from the lower limit of the intertidal zone (intertidal) to the shelf edge at about 200 m water depth. neritic.
Sea depth:: - 20 Meter
Habitats:: Seawater, Sea water
Size:: 0.2" - 0.51" (0.5cm - 1.3cm)
Temperature:: 71.6 °F - 82.4 °F (22°C - 28°C)
Food:: Carnivore, Food specialist, Sponges
Difficulty:: Not suitable for aquarium keeping
Offspring:: None
Toxicity:: Toxic hazard unknown

CITES:

Not evaluated

Red List:

Not evaluated (NE)

Related species at Catalog of Life:

Author:: Meerwasser-Lexikon Team
Publisher:: Meerwasser-Lexikon.de
Created:: 2015-05-03 13:07:20
Last edit:: 2025-06-18 18:25:19

Info

Hallaxa hileenae Gosliner & S. Johnson, 1994

The purple background colour and a Y-shaped ridge on the mantle is immediately distinguishable from other members of the genus Hallaxa.

The name "hileenae" was chosen in honor of Eileen Sobeck (hileen is the Papua New Guinea pidgin name for Eileen).

Hallaxa hileenae have a sponge-like appearance and feeds on sponges.

Biota > Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterobranchia (Subclass) > Opisthobranchia (Infraclass) > Nudibranchia (Order) > Euctenidiacea (Suborder) > Doridacea (Infraorder) > Doridoidea (Superfamily) > Actinocyclidae (Family) > Hallaxa (Genus) > Hallaxa hileenae (Species)

External links

Rfbolland.com (en) (Archive.org). Abgerufen am 07.08.2020.
Sea Slug Forum (en). Abgerufen am 07.08.2020.

Pictures

Commonly

Hallaxa hileenae,coconuts across from bethlehem Anilao, Lipa, Batangas, Philippines 2023 (CC-BY-SA)

Hallaxa hileenae,Maricaban Strait, Calabarzon, PH 2025

Hallaxa hileenae,Batangas, Philippines 2025

Husbandry know-how of owners

0 husbandary tips from our users available
Show all and discuss