TADPOLES IN YOUR BACKYARD WATER GARDEN POND

By: Mike Gannon | Posted On: February 27th, 2016 | 3 Comments on TADPOLES IN YOUR BACKYARD WATER GARDEN POND | In: FISH CARE, KOI PONDS, NATURAL PONDS, POND PREDATORS, WATER GARDENS

tadpole new jersey pond

I learned while researching this blog topic of tadpoles that the ancient Egyptians used the image of a tadpole in their system of hieroglyphics. I thought it was pretty cool that the tadpole made it into the sacred carvings of this ancient culture. The image of a tadpole was drawn to represent the number and quantity of 100,000. I wondered why would a tadpole be used to represent this massive number? How did ancient Egyptians relate such a massive number to a puny tadpole? And then I remembered the plagues…. The Egyptians endured some doozy like plagues, including a plague of frogs. I realized that Egyptians must have experienced absolutely massive numbers of tadpoles filling the shorelines of the mighty Nile, and it made a bit more sense how a single tadpole could represent such a massive number; as well as representing fertility and proliferation. Tadpoles just got even cooler to me!
Tadpoles, or pollywogs as I called them as a kid in Georgia, are the metamorphic offspring of frogs and toads (salamanders, and newts too!). Tadpoles congregate in huge schools as they develop and can easily take over some ponds for a few weeks every year. A tadpole is the larval stage between egg and adult frog, and vary in sizes quite a bit depending on the type of frog or toad. They only live in the water during this stage and breath with gills, but are still considered amphibious. Tadpoles have large heads in proportion to their bodies with 2 eyes and a small mouth, no legs or arms, and a long broad tail that they wiggle to propel themselves through the water. Their coloration can range from deep black to grey/green and their skin is very slick. And there is no mistaking them when you see them.
For pond keepers frog egg sacks will typically be found along the edge of your pond. Egg sacks are rounded and look like clear tapioca with little black dots. Tadpoles can be found in your pond just about everywhere once they hatch. I’ve seen them embedded in algae growth, hanging around lily stems, free swimming. They mostly stay in schools stay in shallower areas and crowd into the edges of ponds. Tadpoles enjoy basking in the sun, but they will be quick to scatter, with some pretty impressive bursts of speed. You’ll see them sitting in lily pots and other plant containers. Large koi and other large pond fish may try the “pollywog du jour” for an occasional meal but they won’t make an impact on population counts. The other usual suspects such as the heron, raccoon, snakes will also make meals of the tadpole when the opportunity is there.
Pond keepers should enjoy this incredible fleeting display of nature happening in your backyard. Pond keepers should also be paying attention during this time for filter intakes getting plugged up (yikes), or tadpoles getting sucked into pumps (yucks). They can even get into skimming systems, but like fish, they seem to know not to go there. They don’t need any special care or feeding in a backyard pond setting, tadpoles are fully self sufficient.
The tadpole stage of a frogs metamorphosis begins at about 1-3 weeks when the frog egg hatches. After hatching the tadpole will live off of the egg yolk for a week or so, and then begin to swim and live off of algae growing in the pond. Around 8 weeks old they are developing legs and arms, at the same time the long tail is getting smaller and smaller. Tadpoles look really cool at this time being more like a tiny frog with a long tail. By 12 weeks they have become frogs and begin leaving the water, develop lungs, tougher skin, and that big ol’ frog mouth!
For pond keepers that enjoy having all these proto frogs and pollywogs boppin around the pond you may be disappointed that of the hundreds, maybe thousands, of eggs laid in your pond only a very small fraction of adult frog would reside at your pond. Frogs are mostly solitary critters, they move on; or have other fates like making that once in a lifetime mistake of asking a blue heron for directions.
Tadpoles have been around for millions of years and today’s pond keepers are helping that to continue. We often hear about the massive habitat loss and die off of frogs around the globe; of course these losses extend to tadpole, but tenfold. Tadpole season is a multi-week experience that signals Spring is here., but Summer is coming soon! Backyard pond keeping is an effective way to help increase habitat and conserve numerous local species; so enjoy the tadpoles and share the pond keeping lifestyle with your family and friends.

Keep it pondy!

Written by Mike Gannon

Mike Gannon

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The LOVEYOURPOND Blog is written by Mike Gannon of Full Service Aquatics located in Summit, NJ. Mike is an award winning pond, water garden, and water feature builder. Always “In The Pursuit Of All Things Aquatic” Mike has been a lifelong hobbyist and providing professional services since 1995. Mike is the creator of The Pond Hunter video series seen on Youtube and has made several television appearances on Networks such as HGTV and the DIY Network. He also hosts the Pond Hunter Radio Broadcast, a show on everything aquatic, every other Wednesday at 8pm EST. You can see what else Mike is up to at the following sites:


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    3 Comments on TADPOLES IN YOUR BACKYARD WATER GARDEN POND

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  1. Robin Clack Says:

    on December 10, 2016 at 11:32 am

    Do tadpole eat koi fry or eggs?

  2. Mike Gannon Says:

    on December 24, 2016 at 2:16 am

    Hello Robin. I’d have to say yes, a large tadpole (and some get pretty big) would likely take down a few koi eggs or small fry. -Mike

  3. Diane Says:

    on May 5, 2017 at 5:57 pm

    Mike,
    I have a pool that I intend on turning into a rainwater reservoir this year. I had it drained it and now it has a couple of feet of water filled with a melodious group of troubadours. I have a conundrum! I don’t want to drain the oool again until the tadpoles have a chance to become frogs and leave on their own accord. And I do not want to contribute to the spread of the Zika Virus. Your thoughts?
    I found this website to help me figure out what species of frogs I have my backyard based on their calls – http://wwknapp.home.mindspring.com/GAFrog.Toad.html

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