Fish are so abundant in the ocean (even given how humans overfish, and them often being prey), I kind of wonder
1. Why don’t marine animals converge to a more fish like form? (Aside from say land mammals like whales and dolphines who decided they want to go to the sea)
2. What benefits are there in having a fish-like form in the ocean? It must be evolutionarily advantageous for some reason.
3. Did the first non microscopic multicellular beings have fish-form?
In: Biology
Evolution doesn’t have a goal.
Becoming the perfect and dominant sea creature only happens by accident with some species.
Other species just kinda get stuck as a mediocre design. Some stick around longer than others before they go extinct or improve over thousands of generations.
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