Guppies have a Gonopodium AKA a fish dick because they give live birth.
You can see them flex it from time to time. Note the bottom fin moving on the colorful fish chasing after the fat drab female:
youtu.be/dqUFAY3Lnzg?si=UyEdYZd5Nmu3EC5_
That’s just one species of livebearing fish but there are many others.
bstix@feddit.dk 4 months ago
Clownfish specifically are breed by inserting a tiny car in your aquarium.
TseseJuer@lemmy.world 4 months ago
honk