Senior Biologist
The Academy of Natural Sciences of Drexel University
1900 Benjamin Franklin Parkway
Philadelphia, Pennsylvania 19103
Email: rjh78@drexel.edu
Phone: 215-299-1092

Research Disciplines:

• Aquatic Biology/Ichthyology
• Conservation
• Exotic species

Research Interests:

Ecology of lotic fishes, effects of human changes to landscape and in-stream conditions on stream systems, watershed management

---

Ongoing and Recent CESU Projects

Ecology of American Eel in the Delaware River

---