The following definitions govern the construction of this article:
(a) “Marine aquaria pet trade” means any activities connected with collecting, holding, selling, and displaying live aquatic marine life for pet, hobby, curio, or display purposes. “Marine aquaria pet trade” does not include activities connected with collecting, holding, selling, or displaying live aquatic marine life by, or for, scientific institutions exempted from permits pursuant to subdivision (e) of Section 2150.
(b) “Drop net” means a small, circular net with weights attached along the perimeter and with a single float attached at the center. A drop net is not more than 48 inches in its greatest diameter.