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Orienthella trilineata Three-lined Aeolid, Three-Lined Sea Slug

Orienthella trilineata is commonly referred to as Three-lined Aeolid, Three-Lined Sea Slug. Difficulty in the aquarium: Not suitable for aquarium keeping. Toxicity: Toxic hazard unknown.


Profilbild Urheber Karin Fletcher, USA

Coryphella trilineata,West of Point Glover 2025


Courtesy of the author Karin Fletcher, USA Karin Fletcher. Please visit www.inaturalist.org for more information.

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lexID:
8526 
AphiaID:
1052886 
Scientific:
Orienthella trilineata 
German:
Dreilinien Orienthella 
English:
Three-lined Aeolid, Three-Lined Sea Slug 
Category:
 
Family tree:
Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Coryphellidae (Family) > Orienthella (Genus) > trilineata (Species) 
Initial determination:
O'Donoghue, 1921 
Occurrence:
Alaska , Canada Eastern Pacific, Eastern Pacific Ocean, Gulf of California, Mexico (East Pacific), USA 
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:
0.39" - 1.18" (1,2cm - 3,6cm) 
Temperature:
°F - 64.4 °F (°C - 18°C) 
Food:
Food specialist, Hydrozoa polyps 
Difficulty:
Not suitable for aquarium keeping 
Offspring:
None 
Toxicity:
Toxic hazard unknown 
CITES:
Not evaluated 
Red List:
Not evaluated (NE) 
More related species
in this lexicon
:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2025-12-11 14:38:21 

Info

Orienthella trilineata (O'Donoghue, 1921)

Orienthella trilineata have three white lines down its body.The juveniles are often without the white lines.

From the oral tentacles to the had are two white lines (y-shape).

This sea slug feeds on hydroids, especially Tubularia crocea and Eudendrium californicum.

Similar to Pacifia amica.

Synonymised names
Coryphella fisheri MacFarland, 1966 · unaccepted
Coryphella piunca Er. Marcus, 1961 · unaccepted
Coryphella trilineata O'Donoghue, 1921 · unaccepted > superseded combination
Flabellina fisheri (MacFarland, 1966) · unaccepted
Flabellina piunca (Er. Marcus, 1961) · unaccepted
Flabellina trilineata (O'Donoghue, 1921) · unaccepted
Orientella trilineata (O'Donoghue, 1921) · unaccepted

External links

  1. Sea Slug Forum (en). Abgerufen am 07.08.2020.
  2. Slugside.us (en). Abgerufen am 07.08.2020.

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