Grabbling, which refers to hunting or fishing by feeling around in murky water or soil, is a unique term with a limited number of synonymous phrases. One such phrase is "noodling," which specifically refers to catching catfish by hand in underwater holes. Another synonym is "groping," which can refer to exploring something with one's hands, such as in dark or muddy conditions. "Dredging" can also be used to describe the act of searching or collecting something from a water source, such as harvesting oysters or other shellfish. "Fishing blind" is another similar phrase that implies searching for or catching fish without the use of visual aids.