How to pronounce“stickleback”in English

And these are sticklebacks.

Anyone seen sticklebacks, gone fishing for sticklebacks?

Now a bunch of sticklebacks came really unstuck in the last ice age in that they got upstream, and then they got stuck.

So the sticklebacks that live in the sea, they have these spiny fins to fight off predators.

in the freshwater sticklebacks.

So the top ones are sticklebacks that live in marine environments.

So you separated two populations of sticklebacks.

So the top one is marine sticklebacks, and the bottom one is the lake-dwelling freshwater sticklebacks.

And they would always swim up the rivers to spawn and do whatever it is sticklebacks do.

Now about 10,000 years ago, there were lots of sticklebacks like that living in the sea.

And over the course of 10,000 years, the sticklebacks in the freshwater lakes changed to be like the ones below.

But one single change in a control switch that turns a gene on at the right time to build the pelvis in the sea sticklebacks, broken

And what's even more amazing is that you can take that bit, that control switch in the DNA, and you can put it back into freshwater sticklebacks