Disclosed herein are various robotic surgical systems having various robotic devices. Further, disclosed herein are removable coupleable connection ports, each of which can be coupled to a robotic device and a camera assembly that is disposed into and through the robotic device. Also disclosed herein are removable connection ports having at least one of a elongate device body coupling mechanism, a camera assembly coupling mechanism, and/or a presence detection mechanism. Further discussed herein is a camera assembly with at least one actuation mechanism for actuating movement of the steerable distal tip thereof.