This Harry Potter foto contains
flachköpfig wels, mudcat, goujon, shovelnose wels, löffler wels, pylodictus olivaris, flathead catfish, shovelnose catfish, spoonbill catfish, and flathead wels.
There might also be
von fang, beifang, durch fang, wels, siluriform fisch, and silurifischer fisch.