Developed conglutinates were comprised only of glochidia, which is characteristic of species with membrane bound conglutinates (Haag and Staton, 2003).
We would expect that this number of glochidia packaged in conglutinates resembling prey of benthic host fishes should lead to high natural infestation rates.
The tinted kidneyshell's high fecundity, nearly complete fertilization of eggs and conglutinates mimicking simulid larvae to lure its hosts (sight-feeding, benthic insectivorous fishes) have been successful adaptations in the Clinch River.
Observations on the conglutinates of Ptychobranchus greeni (Conrad, 1834) (Mollusca: Bivalvia: Unionidea).
2005 Inflated and some Embryos and 101 (4) brown conglutinates forming 14 Sept.
When a fish inhales a conglutinate, it ruptures and releases glochidia that attach to the fish (Barnhart and Roberts, 1997; Haag and Warren, 1997).
The mean number of glochidia per conglutinate ([+ or -] 1 SE) was 519 [+ or -] 41.
It is likely that under optimum conditions only a small percentage of the conglutinates released within a shoal would successfully attach to rocks.
The high level of mimicry exhibited by Ptychobranchus greeni conglutinates, and an unusual mechanism for maintaining conglutinates within host fish habitat, are selective traits to facilitate parasitism and survival of offspring.
The membrane enclosing the conglutinate was durable, strong, and resisted handling.
The conglutinate illustration is by Sam Biebers, Jackson, Mississippi.