Core Viewpoint - The article discusses the prohibition of bringing live hairy crabs onto the Shanghai subway, highlighting a recent incident where passengers were stopped from entering the station with crabs due to safety regulations [1][3][10]. Summary by Sections Incident Description - A couple was stopped at the Minsheng Road subway station while attempting to enter with live hairy crabs, which were clearly marked on their bag [3]. - The security staff reported that several passengers had been prevented from entering with crabs that day [3]. Regulations and Justifications - The staff cited regulations from the Shanghai Urban Public Transport Ordinance and the Shanghai Rail Transit Management Regulations, which explicitly prohibit carrying live animals, including crabs, onto the subway [7]. - The rationale provided was that even if the crabs were secured, their sharp claws could pose a risk to other passengers [7]. Passenger Reactions - The couple expressed frustration, noting that while live crabs are animals, they felt the regulations did not clearly specify crabs in the same way as other animals like poultry or pets [9]. - They also mentioned the inconvenience of having to travel over ten kilometers home without the subway [9]. Exceptions and Variations - Some security personnel reportedly allow exceptions, advising passengers to secure their crabs properly instead of outright denying entry [10]. - In particular, it was noted that passengers often bring crabs back from Suzhou to Shanghai without issue, provided the crabs are well-contained [10]. Guidelines for Transporting Crabs - Passengers are advised to use sturdy containers, such as foam boxes or hard plastic, and ensure that the crabs are sealed to prevent leakage [12]. - The guidelines emphasize that the crabs should not obstruct seating or passageways and must comply with size and weight regulations for luggage on the subway [12].