My Triops

Triops drawing

Welcome to MyTriops, a site dedicated to those fascinating freshwater creatures – ‘Triops’.
Everything here is over 200 Million years old!

Hello and welcome to MyTriops, only the best Triops web site on the planet!

Did you get some Triops as a toy, gift or birthday present? If so, please take a look around as we’ve articles for newcomers as well as more scientific articles for those of you interested in the dozens of Triops species.

We have one of the largest collections of useful information on the Internet on how to raise and look after these creatures as well as a gallery of images, movies and articles on Triops, reviews of various products companies are offering and a facebook group where you can share your experience with other like-minded people.

Feel free to browse. If you are new to ‘Triops’ then please visit the FAQ link above. Please excuse any mess you may find as we’ve just did a water change.


Triops, sometimes called tadpole, dinosaur or shield shrimp, are a small group of crustaceans that are in the Branchiopoda group that are found in temporary bodies of fresh or brackish water. Sometimes they are sold in ‘Sea-Monkey’ like kits in toy shops, they are often billed as “living fossils”.

Triops may not be as well studied as Escheria coli or Pan troglodytus, but for such a small order of animals they receive their fair share of attention from scientists. There are five principle reasons that triops are or have been significant both scientifically and often economically. Most of the study centers on T. longicaudatus although T. cancriformis and other species are studied as well.

Once you’ve got your Triops hatched you will want to feed your Triops and this is where the fun comes in.

Suitable containers for keeping Triops If you use a container made out of plastic then you should realise that some plastics are not suitable as they will leak toxic chemicals into the water over time.

This is a brief outline of my particular methods for isolating eggs and preparing them for hatching. It has worked reliably for several generations and will presumably continue to work for many, many more.

Just how many species of triops there are is a good question, and one that in spite of researching several papers on them I certainly don’t feel confident to answer with any authority. There are a number of problems involved with a definitive list of who’s who in the triops world. First, it’s now been close to 50 years since anyone has attempted a serious review of the notostracans.

A Recipe for Hundreds of Millions of Years of Success. Take some eggs, fresh water, sunlight and let them simmer for just 48 hours at 22°C…

This document was largely put together from extrapolating information in scientific journals regarding triops biology and rearing them in laboratory settings. Other parts are taken from my own experiences or those of other triops owners. To the best of my knowledge, the information is up to date and accurate. I’ve tried to be complete and thorough, covering all the necessary bases. Still, I can’t make any promises as to what your results will be putting any of this info into practice.

A brief overview of the Triops’ anatomy aided with sketches.

Take the water and pour a little into the tank leaving an air gap in the bottle. Re-seal the bottle and violently shake the bottle for at least five minutes. This ensures there is oxygen dissolved in the water…

At MyTriops we’re often asked what makes for a good companion for a Triops in their tank. This is indeed an interesting and challenging question as any other aquatic creatures must be suitable for living in a small frshwater tank within certain temperatures and water conditions.

Here is a collection of Notostraca related papers.

Latest comments on

  1. I grew up in Sacramento and every year it rained and the field down the street would fill with water…

  2. Oops, I meant cooked egg yolk applied through a dropper near to a small but bright light source, from the…

  3. I have read your articles and was surprised you do not mention egg yolk infusion as a food source for…

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