Deuteronomy 4:15-18

Take ye therefore good heed unto yourselves; for ye saw no manner of form on the day that Jehovah spake unto you in Horeb out of the midst of the fire; lest ye corrupt yourselves, and make you a graven image in the form of any figure, the likeness of male or female, the likeness of any beast that is on the earth, the likeness of any winged bird that flieth in the heavens, the likeness of anything that creepeth on the ground, the likeness of any fish that is in the water under the earth