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Dalyellia viridis

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Dalyellia viridis is a species of rhabdocoel flatworm in the family Dalyelliidae.[1]

Description

The animal is usually colored intensively green due to zoochlorellae.[2] It is 2.5 to 4 mm long[3] with a rounded anterior and pointed posterior end. It possesses a pair of kidney-shaped eyes.[2] Mature animals carry many eggs in their body.[3]

Taxonomy

It was described in 1791 by George Shaw.[1]

Distribution and Habitat

It occurs in freshwater in stagnant waterbodies. It is most frequently found in temporary pools. [3]

Ecology and Behavior

The animal harbors symbiotic green algae (zoochlorellae) of the species Chlorella vulgaris in its body. It feeds on algae and animals, including microturbellarians. [3]


References

  1. ^ a b "Dalyellia viridis". Turbellarian taxonomic database. Retrieved 2021-05-15.{{cite web}}: CS1 maint: url-status (link)
  2. ^ a b Streble, H. & Krauter, D. (1988). Das Leben im Wassertropfen. Stuttgart: Franckh. pp. 266–267.{{cite book}}: CS1 maint: multiple names: authors list (link)
  3. ^ a b c d Young, J. O. (2001). Keys to the freshwater microturbellarians of Britain and Ireland. Ambleside: Freshwater Biological Association.

Dalyellia viridis