Though solitary for most of the year, they form large seasonal aggregations.

In the summer, several groups come together forming larger aggregations.

As such, sea palms tend to live very close to each other in large aggregations.

They are helpless on land, and they sometimes form large aggregations of thousands in surface waters.

At some locations they form large aggregations, though these are not true schools.

All species are solitary, though many nest in large aggregations.

"We have had the largest aggregation of wealth the country has ever seen," he said.

This species is fairly uncommon, but, when found, it is always in large aggregations.