raker

n.

耙地机，用耙子耙的人；勾杆；撑脚；

Circular saw-blade with set and raker teeth
Gill raker apparatus and food selectivity among mackerels, tunas, and dolphins
Replaceable raker assembly for processing tool of waste processing machine
Gill raker structure and selective predation on zooplankton by particulate feeding fish
Continuous Extrusion Using a Raker Perkins MP50 (Multipurpose) Extruder
Gill raker morphology and feeding ecology of two sympatric whitefish (Coregonus lavaretus) morphs
Sieving functional morphology of the gill raker feeding apparatus of atlantic menhaden.
Ontogenetic Shifts in Gill-Raker Morphology and Predicted Prey Capture Efficiency of the Alewife, Alosa pseudoharengus
lavaretus (L.) species complex as inferred from mtDNA phylogeography and gill-raker numbers
Mechanoreceptor activity in the gills of the carp. I. Gill filament and gill raker mechanoreceptors