Hi, I'm Alex, and this is Tank Tested.
But This week, we're not looking at a fish tank.
We're going Into the wild.I
was in central Florida filming a documentary series that I'll tell you about in a bit.
I got to spend about an hour of free time on the water.
And I thought it was something worth sharing with this channel.Lakes like this are created
when the limestone that makes up the bedrock of this region of Florida
collapses and forms sinkholes.
After tens of thousands of years, and many collapsed sinkholes, you end up with a landscape
scattered with ponds and lakes.This one is filled with spatterdock—which is a type
lily native to much of the United States. It's heart shaped leaves are scattered across the
water's surface, which create little patches of cover
for the fish that call this lake home.
Mixed in are several species of stem plants.
These dense matts are a great place for small fish and fry to thrive.
So, lets go underwater and check it out.
At first you don't see much.
It's just a tackle of lily stemsBut if you focus, you start to see small schools of fish…and
the occasional larger one.This is blackwater.
It has a strong brown tint from decaying plant matter and it's filled with detritus that
glimmers in the sunlight.This is the type of water that many of the fish in the aquarium
hobby call home.It's also worth noting the size of the schools here, and how they move
together as one entity.It's clear that they really prefer the cover that the lilies and
stem plants provide.Unfortunately, I was on a shoot,
so I didn't have time to get in the water.
I shot all of this footage off the side of a canoe.But before I left, I decided to wade
into the shallows and see what I could find there.I was able to walk right up to the edge,
where the shore dropped off steeply, and film within the lilies.
And I found fish.These are eastern mosquito fish.
They're in the genus Gambusia.
And they're livebearers.The females are a bit larger than the males and have a rounder
belly.In this shot you can also see a speckled pattern on some of the fish,
but they are the same species.
But they are the same species.And as the name suggests, they love to eat mosquito larva.
But they also eat zooplankton, detritus and algae.They
were a blast to watch, and they were comfortable with my camera right away.So that's the
lake.
In the next few weeks, I'll tell you a bit more about the documentary series
I've been producing.
I think you'll like it.
I'll be back next time with another aquarium video,
so please subscribe if you haven't already.
And have a great week!
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