Observed Instances of Speciation.
Some More Observed Speciation Events .
Of course they suffer from the same deficiency, namely, in all the instances cited the creatures remained a variant of their original form.
The cichlids that got some funky new color schemes are still cichlids. They're not partially amphibian or transitional in any way. In fact they're simply another batch of the same thing, cichlids. Same with the worms, bacteria and plants mentioned.