Anime can be pretty gory at times however, they tend to tone it down due to Japanese broadcasting. This is what makes manga so great! For the most part you can find manga that is filled with over the top gore. For example, Berserk is far more gory in the manga series than the anime itself. Other great examples to compare are Hellsing, and Blood C (awesome anime, and manga). You get a lot of gore in the anime series, but you get even more gory scenes in the manga. If you have the stomach I would suggest to check out the manga’s of these series I listed above. You won’t regret it!