These strange, bottom-dwelling fish—that resemble a cross between a sting ray and a fish—are really sharks with pectoral fins so large they're referred to as "wings." This is more apparent if you take home one of its two "wings" without having your fishmonger do anything (like skinning or filleting it).
'skate wing' on Serious Eats
When dipped in flour, the skate wing crisps up beautifully and the capers take care of the rest. Sure, red pepper and shallots may add some color, but it's the briny capers that really carry the sauce and help balance the creamy flesh of the skate.