Tadpole Nutrition

Mick Bajcar
Last update: 17 August, 2002

In Newsletter No. 28, December 1996, Andy Gibbs wrote a breeding report on D. ventrimaculatus (included under Frog Species.)  I too have found that tadpoles are very slow developers, taking about six months to metamorphose.  I discussed this recently with other breeders in Holland and found that the Dutch are using Spirulina as a tadpole food supplement.

I sought it out and eventually found some and quote from the product literature:

'Spirulina is a microscopic alga, rich in proteins, minerals, essential amino acids, minerals and essential fatty acids, produced commercially and sold as a food supplement.'

The substance takes the form of a very fine (talcum-like) powder in a fetching shade of dark green.  Its consistency makes it a problem to use.  I find that mixing a small amount with a teaspoon of water to make a paste is the best method.  Only use a tiny amount as over-feeding has caused fungus and death in a couple of tadpoles.

I am experimenting with split clutches and the tadpoles given Spirulina are definitely growing faster.  The early results are very encouraging but I will give further details in the future.

Spirulina is about 60% protein but contains high levels of calcium and phosphorus, and as calcium deficiency is a likely cause of spindle-leg I am now using it as a supplement for all my tadpoles.

In its purest form, Spirulina can be difficult to find as a powder, though I wonder if crushed tablets may be an easier way of feeding the tadpoles.  Only one company supplies pure tablets of Spirulina and all others contain fillers.

My enquiries led me to All Seasons Healthcare, 19-21 Victoria Road North, Southsea, Hampshire.  PO5 1PL  Tel/Fax 01705 755660 (correct as of June 1997.)  They are prepared to send this by mail order.  Contact Andy or Neil for prices.