Nope - like other fish - they use external fertilization. The breeding pair use their tails to 'hollow out' a small depression in the river bed. The female lays hundreds of eggs, and the male follows behind, releasing a cloud of sperm. The eggs are simply left to the perils of the river.
By having sex
They can reproduce both sexually and asexually.
Yes, yes they do the have a mate and they reproduce sexually. thats how they make babies, by doing it.
Mostly sexually, but some insects can reproduce asexually, such as the aphid
sea urchins can either reproduce sexually or asexually sea urchins can either reproduce sexually or asexually
Salmon reproduce sexually.
Mosquitos reproduce sexually.
Sexually of course.
Birds reproduce sexually.
Bobcats reproduce sexually.
bunnies reproduce sexually
Armadillos reproduce sexually.
Monkey reproduce sexually.
Ducks reproduce sexually
Worms reproduce sexually
They reproduce sexually
They reproduce sexually.