Here is a list of resources used in the studies:

Nahant

1) Isabel M. Smallegange, Jaap Van Der Meer. Why do shore crabs not prefer the most profitable mussels?
Journal of Animal Ecology Vol. 72 No. 4 pp. 599-607 2003

2) Elner, R.W. and Hughes, Roger N. 1978. Energy Maximization in the Diet of the Shore Crab, Carcinus maenas. Journal of Animal Ecology. 47(1): 103-116

3) Denny et al. 1985. Mechanical limits to size in wave swept organisms. Ecological Monographs 55:69-102.

4) Per-Olav Moksnes
Self-Regulating Mechanisms in Cannibalistic Populations of Juvenile Shore Crabs Carcinus maenas
Ecology, Vol. 85, No. 5 (May, 2004), pp. 1343-1354

5) Catherine E. deRivera, Gregory M. Ruiz, Anson H. Hines and Paul Jivoff
Biotic Resistance to Invasion: Native Predator Limits Abundance and Distribution of an Introduced Crab
Ecology, Vol. 86, No. 12 (Dec., 2005), pp. 3364-3376

6) Class Handout. Seacoast Science Center Rocky Shore Animals 2008 pg. 14
Clark University. Ecology of Atlantic Shores.

7) Invasive Species: Aquatic Species - European Green Crab (Carcinus maenas)
<http://www.invasivespeciesinfo.gov/aquatics/greencrab.shtml> November 20, 2008

8) issg Database: Ecology of Hemigrapsus sanguineus
<http://www.issg.org/database/species/ecology.asp?si=756&fr=1&sts> November 20, 2008

Bermuda

1) Smith, C.L., 1997. National Audubon Society field guide to tropical marine fishes of the Caribbean, the Gulf of Mexico, Florida, the Bahamas, and Bermuda. Alfred A. Knopf, Inc., New York. 720 p. 

2 )Parrish, Julia. 1989. Layering with depth in a heterospecific fish
aggregation. Environmental Biology of Fishes. Volume 26, Number 2 pp.
79-85.

3) Barracuda - Predatory Behavior
<http://science.jrank.org/pages/757/Barracuda-Predatory-behavior>

4) Manabe, H. et al. 2008. Semi-lunar spawning cycle and mating tactics in
the marine goby Asterropteryx semipunctata. Ichthyological Research. May2008

5) SHERRILL M. T. ; MIDDAUGH D. P. 1993. Spawning periodicity of the inland silverside, Menidia beryllina, (Pisces: Atherinidae) in the laboratory:relationship to lunar cycles. no2, pp. 522-528

6) Parrish, Julia K., Steven V. Viscido, and Daniel Grunbaum. Self-Organized Fish Schools: An Examination of Emergent Properties. School of Aquatic and Fishery Sciences, University of Washington, Seattle, Washington. 2002.

7) Grandbois, Stephanie
<http://www.clarku.edu/departments/biology/biol201/2008/sgrandbois/>

8) Parrish, Julia K.  Do Predators ‘Shape’ Fish Schools: Interactions Between Predators and Their Schooling Prey.  Netherlands Journal of Zoology,                  1992.  Vol 42, 358-370.

9)Critter Guide > Fish > Atlantic Silverside. October 21, 2008
<http://www.dnr.state.md.us/bay/cblife/fish/atl_silverside.html>

10) Hypoatherina harringtonensis, Reef Silverside.  Fishbase, 2008. Canada. October 30, 2008.                                                                                                    <http://www.fishbase.ca/Summary/SpeciesSummary.php?id=3237>

11) Critchley, A.T., Farnham, W.F. and Morrell, S.L. 1983. A chronology of new European sites of attachment for the invasive brown alga, Sargassum muticum, 1973 - 1981. Journal of the Marine Biological Association of the United Kingdom, 63: 799 - 811