You are not allowed to catch and retain bass with any other gears, including pelagic trawls, ring nets and nets that drift with the current or are capable of doing so.
Ni chaniateir i chi ddal a chadw draenogiaid môr gydag unrhyw offer eraill, gan gynnwys treillrwydi canolddwr, rhwydi amgylchynu na rhwydi sy’n drifftio gyda’r cerrynt neu sy’n gallu gwneud hynny.