Costasiella formicaria Shaun the Sheep nudibranch

Costasiella formicaria is commonly referred to as Shaun the Sheep nudibranch. Difficulty in the aquarium: There are no reports available yet that this animal has already been kept in captivity successfully. Toxicity: Toxic hazard unknown.

Jenvit Seriburi

Costasiella formicaria,Sibuyan Sea, Mimaropa, PH 2023

Courtesy of the author Jenvit Seriburi Jenvit Seriburi. Please visit www.inaturalist.org for more information.

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lexID:: 8300
AphiaID:: 494652

Scientific:: Costasiella formicaria
German:: Saftsauger
English:: Shaun The Sheep Nudibranch

Category:

Family tree:: Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sacoglossa (Order) > Costasiellidae (Family) > Costasiella (Genus) > formicaria (Species)
Initial determination:: (Baba, ), 1959

Occurrence:: Hawaii, Indonesia, Japan, North Pacific (Ocean), Okinawa, Philippines, 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:: Meter
Habitats:: Seawater, Sea water
Size:: 0.31" - 0.39" (0.8cm - 1cm)
Temperature:: 71.6 °F - 80.6 °F (22°C - 27°C)
Food:: Algae (Algivore)
Difficulty:: There are no reports available yet that this animal has already been kept in captivity successfully
Offspring:: None
Toxicity:: Toxic hazard unknown

CITES:

Not evaluated

Red List:

Not evaluated (NE)

Related species at Catalog of Life:

Costasiella arenaria
Saftsauger
Costasiella coronata
Costasiella formicaria
Saftsauger
Costasiella illa
Costasiella iridophora
Costasiella kuroshimae
Kuro Saftsauger
Costasiella mandorahae
Costasiella nonatoi
Costasiella ocellifera
Augenfleck Costasiella, Saftsauger-Schnecke, Schaun das Schaf, Blatt-Schäfchen
Costasiella pallida
Costasiella patricki
Costasiella paweli
Costasiella rubrolineata
Costasiella usagi
Kaninchen Saftsauger
Costasiella vegae
Saftsauger
Costasiella virescens
Grüner Saftsauger

More related species in this lexicon:

Author:: Meerwasser-Lexikon Team
Publisher:: Meerwasser-Lexikon.de
Created:: 2015-04-28 19:31:34
Last edit:: 2025-05-31 13:55:14

Info

Costasiella formicaria (Baba, 1959)

Costasiella formicaria grows to about 10 mm in length. The background colour is translucent with black markings. The cerata can be black,green, olive green olive green or golden brown, usually with opaque white specks on the tips.

Rhinophores and anterior foot corners are black.The head is black lined.Baba named the species "formicarius" because the black specimens reminded him of small black ants (Formica = ants).

Costasiella formicaria feeds on filamentous green algae.

Synonymised names
Stiliger formicarius Baba, 1959 · unaccepted

External links

researchgate.net (en). Abgerufen am 31.05.2025.
Sea Slug Forum (en). Abgerufen am 07.08.2020.
Seaslugs of Hawaii (en). Abgerufen am 07.08.2020.

Pictures

Commonly

Costasiella formicaria,Sibuyan Sea, Mimaropa, PH 2023

Costasiella formicaria, Okinawa, JP 2025

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