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Thuridilla undula Wavy sapsucking slug

Thuridilla undula is commonly referred to as Wavy sapsucking slug. Difficulty in the aquarium: Not suitable for aquarium keeping. Toxicity: Toxic hazard unknown.

Profilbild Urheber Scott & Jeanette Johnson, Kwajalein Unterwater

Thuridilla undula, 12mm, Kwajalein 2017


Courtesy of the author Scott & Jeanette Johnson, Kwajalein Unterwater . Please visit www.underwaterkwaj.com for more information.

Uploaded by Muelly.

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lexID:
7039 
AphiaID:
494506 
Scientific:
Thuridilla undula 
German:
Wellen Thuridilla, Undulierte Thuridilla, Saftsauger 
English:
Wavy Sapsucking Slug 
Category:
 
Family tree:
Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sacoglossa (Order) > Plakobranchidae (Family) > Thuridilla (Genus) > undula (Species) 
Initial determination:
Gosliner, 1995 
Occurrence:
(the) Maldives, Bali, Banda Sea, Marschall Islands, Papua New Guinea, Philippines, Solomon Islands, Taiwan 
Marine Zone:
Intertidal (Eulittoral), intertidal zone between the high and low tide lines characterized by the alternation of low and high tide down to 15 meters 
Sea depth:
Meter 
Habitats:
Seawater, Sea water 
Size:
up to 0.79" (2 cm) 
Temperature:
71.6 °F - 82.4 °F (22°C - 28°C) 
Food:
Algae (Algivore), Food specialist, Herbivorous 
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:
 
More related species
in this lexicon:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2026-02-08 14:13:09 

Info

Thuridilla undula Gosliner, 1995

Thuridilla undula is turquoise bluish green.The three colour bands at the parapodial edge undulate. Very similar ist T.lineolata (the colour bands at the parapodial edge are not undulate).

Wavy sapsucking slug grows up to 2 cm. It feeds on algae.

External links

  1. Sea Slug Forum (en). Abgerufen am 07.08.2020.
  2. seaslugs.free.fr (en). Abgerufen am 06.01.2026.

Pictures

Commonly

Thuridilla undula, 12mm, Kwajalein 2017
Thuridilla undula, 12mm, Kwajalein 2017
Thuridilla undula,Dafu Ting, Liuqiu Township, Pingtung County, Taiwan 929, 2021 (CC BY)
Thuridilla undula Taiwan 2021 (CC BY)

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