+1 to learning genus specifics in aiding care and behavior, mostly because currently, africans are described/catagorized by morphology and behavior rather than actual relatedness...It's a rich history in the lakes...one science has only scratched the surface of.
Also, we are very lucky indeed with the availability of information on the internet. Many of us have come by our knowledge through countless hours of reading and searching and viewing images as well as experience in the aquarium.