Credit: Rick Rowell/ABC

Everybody knows the old saying: All sea creatures look alike. So it's understandable that on night one of The Bachelor, a contestant named Alexis showed up to win Nick Viall's heart in a shark costume, all the while thinking she was wearing a dolphin costume. Or was it a dolphin costume?

Immediately, her outfit sparked a debate amongst the women in the house. Many women opted to call her "shark-dolphin" as the answer, but at the end of the night, one thing was certain: Nick thought she was a shark, and Alexis thought she was a dolphin.

So now, we are giving you the chance to weigh in on this epic debate. Take a look at the costume above and cast your vote below: <iframe src="//" width="100%" height="404" frameborder="0" scrolling="no" class="" allowfullscreen="" resize="0" replace_attributes="1" name=""></iframe>s‡Ü÷Ív}îÜón¹i×]mî_÷^´ë^»—ü{—:

The Bachelor airs Mondays at 8 p.m. ET on ABC.

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