1 . A shellfish basket washing apparatus comprising: a support assembly; a shellfish basket holder configured to rotatably hold a shellfish basket therein; said shellfish basket holder pivotally attached to and configured to hang from a first side of said support assembly; a nozzle support assembly also attached to said first side of said support assembly, said nozzle support assembly comprising a plurality of high pressure nozzles oriented to direct high pressure water into open sides of said shellfish basket holder; a working platform attached to a second side of said support assembly; a pressure washer pump supported on said working platform; a water tank supported on said working platform and connected to said pressure washer pump by a water supply line; a first high pressure water supply line connecting said pressure washer pump to said plurality of high pressure nozzles for supplying water under pressure to said high pressure nozzles; wherein the apparatus is configured so that the support assembly may be supported on a side rail of a boat, with said shellfish basket holder hanging from said first side of said support assembly over a body of water in which the boat rests, and said working platform is hanging from a second side of said support assembly on an onboard side of said boat side rail or resting on a deck of said boat adjacent said boat side rail.
2 . A shellfish basket washing apparatus according to claim 1 , further comprising a handheld wand and nozzle assembly attached to said pressure washer pump by a second high pressure water line.
3 . A shellfish basket washing apparatus according to claim 1 , further comprising a water wheel attached to a bottom spindle of said shellfish basket holder.
4 . A shellfish basket washing apparatus according to claim 3 , further comprising a high pressure drive nozzle connected to said pressure washer pump and configured to direct water under pressure at said water wheel to drive rotation of a shellfish basket in said shellfish basket holder.
5 . A shellfish basket washing apparatus according to claim 3 , wherein said bottom spindle extends a length away from a bottom of said shellfish basket holder sufficient to be submerged or partially submerged in said body of water during a shellfish basket washing procedure.
6 . A shellfish basket washing apparatus according to claim 1 , wherein said high pressure nozzles are oriented to direct a water spray against a shellfish basket contained within said shellfish basket holder at an angle sufficient to cause said shellfish basket to rotate inside said shellfish basket holder.
7 . A shellfish basket washing apparatus according to claim 1 , further comprising top and bottom high pressure nozzles arranged to direct high pressure water spray to top and bottom sides of a shellfish basket contained in said shellfish basket holder and connected to said pressure wash pump by a third set of high pressure water supply lines.
8 . A shellfish basket washing apparatus according to claim 1 , further comprising a shellfish basket holder lid pivotally attached to said shellfish basket holder, said lid configured to reversibly contact an actuator.
9 . A shellfish basket washing apparatus according to claim 8 , wherein said actuator may be configured to accomplish at least one of the following: a. automatically turn the apparatus on; b. automatically start a spraying operation; c. activate an indicator reflecting that the apparatus is ready for operation.
10 . A shellfish basket washing apparatus according to claim 1 , further comprising water pump supported by said working platform configured to supply water to said water tank from said body of water.