M. MALDONADO AND CM. YOUNG 796 filter-feeder, but rather a methanotrophic carnivore which depends on chemosyn- thetic symbionts for its nutrition, and transmits the symbionts to the next generation by means of the embryos (Vacelet et al., 1995, 1996). The other sponge was first mentioned, though not identified, in a study of the very light (32-8) 613C value consistent with trophic nutrition. Chemoauto- trophic bacteria have also been reported to occur in the mesohyl of this sponge by regarded it as an undescribed species in the genus Hymedesmia. This sponge, a new species of a genus previously known only from Antarctic and subantarctic seas, Ectyomyxilla, is described here. This species, which lives as an epibiont of vestimentiferan tube worms at bathyal methane seeps on the Louisiana slope, is entirely capable of filter-feeding. We suggest that it obtains its nutrition in part by feeding on free-living chemoautotrophic bacteria associated with the methane seeps, and in part by symbiosis with chemoautotrophic bacteria
M. MALDONADO AND CM. YOUNG 796 filter-feeder, but rather a methanotrophic carnivore which depends on chemosyn- thetic symbionts for its nutrition, and transmits the symbionts to the next generation by means of the embryos (Vacelet et al., 1995, 1996). The other sponge was first mentioned, though not identified, in a study of the very light (32-8) 613C value consistent with trophic nutrition. Chemoauto- trophic bacteria have also been reported to occur in the mesohyl of this sponge by regarded it as an undescribed species in the genus Hymedesmia. This sponge, a new species of a genus previously known only from Antarctic and subantarctic seas, Ectyomyxilla, is described here. This species, which lives as an epibiont of vestimentiferan tube worms at bathyal methane seeps on the Louisiana slope, is entirely capable of filter-feeding. We suggest that it obtains its nutrition in part by feeding on free-living chemoautotrophic bacteria associated with the methane seeps, and in part by symbiosis with chemoautotrophic bacteria
การแปล กรุณารอสักครู่..
