41. Hidden in a campuslike setting near Buzzards Bay, Benthos has operated in relative obscurity for most of its 36 years. 42. But, he said, they highlighted the need for Benthos to diversify, either with new products or through acquisitions. 43. The company's Benthos ATM 885 Telesonar Acoustic Modem is roughly the size and shape of a tennis ball can. 44. Benthos , based in North Falmouth, Mass ., makes oceanographic equipment, including devices used in detecting tidal waves.45. If governments in the affected region decide to install a tsunami warning system, Benthos might benefit, a spokesman said. 46. Many live in eutrophic waters of generally poor quality and feed on tubifex worms and similar benthos associated with such habitat. 47. Benthos generally live in close relationship with the substrate bottom, and many such organisms are permanently attached to the bottom.48. Gegharkuni is a migratory form that naturally breeds exclusively in rivers; it also feeds on plankton in addition to benthos . 49. Benthos got into the acoustic communications program last year when it acquired Datasonics in nearby Cataumet, a leader in acoustic modems.50. Organisms living in this zone are called benthos , e . g . the benthic invertebrate community, including crustaceans and polychaetes.