1. Acid-base responses to feeding and intestinal Cl- uptake in freshwater- and seawater-acclimated killifish, Fundulus heteroclitus, an Agastric euryhaline teleost

2. Baitfish Regulations Baitfish Species Baitfish species: American Eel, Banded Killifish, Creek Chub, Fallfish, Fathead Minnow, Gizzard Shad, Golden Shiner, Margined Madtom, Mummichog, and Tadpole Madtom

3. We investigated whether and how the shoaling behaviour of parasitized killifish is altered in ways that may facilitate transmission of the parasite to its final host, the belted kingfisher (Megaceryle alcyon).