The Ultimate Guide to Catfishing in Harford County: Best Spots, Tips, and Food. Blue and flathead catfish are an invasive species, posing a major threat to Maryland’s native ecosystems. Their rapid reproduction rates and voracious appetites cause concerns among environmentalists and conservationists. On the flip side, catfish is a staple in cuisines worldwide due, providing versatile and delicious options for seafood lovers. Stop by Harford County to fish along our water banks for a chance[...]