Alyakrinskaya (2005) found that for 16 species of caenogastropods, none of which were suspension feeders
, the ratio of the length of the radula to the length of the shell ranged from 0.18 to 5.0.
Active suspension feeders, such as solitary ascidians, could induce passive flow from external water movement in several ways (Vogel and Bretz, 1972; Vogel, 1974, 1994).
Measuring the filtration and clearance rates of these suspension feeders in water with no or little flow will underestimate their real values if they utilize passive flow.
Discriminating between food and space limitation in benthic suspension feeders
using self-thinning relationships.
Whereas mobile suspension feeders
collect particles by actively swimming through the water, sessile suspension feeders
rely on the movement of water to carry food resources to their feeding surfaces.
cancellata is significantly smaller relative to body mass than it is in the known suspension feeders
Calyptraea fastigiata and Crepidula dorsata, over a broad range of body sizes [ILLUSTRATION FOR FIGURE 2 OMITTED].
Food limitation in dense aggregations of suspension feeders
on coral reefs (Glynn, 1973), in cryptic reef habitats (Buss and Jackson, 1981), and among intertidal and in-faunal bivalves (Frechette and Bourget, 1985b; Peterson and Black, 1987) supports the notion that particulate food resources and the distribution and abundance of benthic suspension feeders
2000), which increases their bioavailability to suspension feeders
. Marine aggregates (also known as.
The proportion of suspension feeders
was fairly low in the vicinity of the mouth of the Daugava River, the main pollution source of the Gulf of Riga (transect 7).
Despite sponges being grouped with other suspension feeders
in previous FD assessments, several studies have clearly identified the diversity of functional roles that sponges perform and the food they consume (Gili and Coma, 1998; Wulff, 2006; Bell, 2008).
Macrozoobenthos was classified into feeding guilds--deposit feeders, suspension feeders
, and herbivores--based on the literature (Bonsdorff & Pearson, 1999) and field observations.
The comparative roles of suspension feeders