They get their name because when they stretch their rays out to catch plankton, they look like the bottom of a basket.

He swims in water and catches plankton.

Crinoids are passive suspension feeders, catching plankton with their outstretched arms.

The polyps of Acropora pulchra extend their tentacles to catch plankton.

But at night, they spread out their arms to catch plankton.

A. petasus is a suspension feeder, catching detritus and plankton with the tube feet on its pinnules.

A. bifida is a suspension feeder, catching detritus and plankton with its pinnules as they float past.

He devises a strainer out of his shirt and trails it over the side of the boat, to catch plankton, he says.

The polyps of Pavona cactus extend their tentacles at night to catch plankton.

Each polyp extends its eight tentacles to catch plankton drifting past on the current.