The New England Aquarium Education Department offers a series of curriculum units and field trip guides for teachers of all grade levels on aquatic biology and ecology topics. Fish characteristics and behaviors are explained in this packet for secondary science teachers. Pre-trip materials include factsheets and worksheets on fish: (1) characteristics; (2) general anatomy; (3) senses; (4) coloration patterns; (5) shapes; (6) survival behaviors; and (7) external and internal anatomy. Forms for recording observations on fish behaviors and characteristics during an excursion are provided. Suggestions for post-trip activities are also given. This particular guide contains a floor plan of the New England Aquarium, a listing of aquatically oriented curriculum packets, and an explanation of the facility's teacher resources. (ML)