This shoaling has rendered continuous dredging necessary at every harbour on the lake west of Erie, Pa.
At all life stages the roach is a strongly shoaling fish.
Santa Marta is situated on a small, almost landlocked bay, well protected from prevailing winds by high land on the north and north-east, affording excellent anchorage in waters free from shoaling through the deposit of silt.
A roaming herd of Bumphead parrotfish can be seen along the deeper edge, with shoaling fusiliers in the shallows.
A shoaling and refraction analysis should then be undertaken to determine the specific climates for the selected beaches.
