Dolabella auricularia diet

November 16, 2009
From: Keith Teller

Hello,
Are there alternatives to filamentous green hair algae when feeding Dolabella auricularia?
Has anyone had success with Nori? Lettuce?
Thank you for your input.

KT

ktellerman@aol.com

teller, K., 2009 (Nov 16) Dolabella auricularia diet. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22782

Dear Keith,

I have heard of aquarists using garden lettuce to feed Sea Hares. Apparently if you quickly blanch it - that is dip it into boiling water for a few seconds, it softens the cell walls enough. Worth a try. But in all such activities only put small amounts in the aquarium or you will have a rotting waste problem.

As to the real food of D. auricularia, it feeds on a variety of red, brown and green algae. Have a look at the two scientific papers below for details. Both are available as pdf s from Steve Pennings home page
http://www.bchs.uh.edu/~steve/

  • Pennings, S.C., Nadeau, M.T. & Paul, V.J. (1993): Selectivity and growth of the generalist herbivore Dolabella auricularia feeding upon complementary resources. Ecology, 74(3), 879-890.
  • Pennings, S.C. & Paul, V.J. (1992): Effect of plant toughness, calcification, and chemistry on herbivory by Dolabella auricularia. Ecology. 73(5), 1606-1619.

 Best wishes,
Bill Rudman

Rudman, W.B., 2009 (Nov 16). Comment on Dolabella auricularia diet by Keith Teller. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22782

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