Also relevant to note is the lack of practicality of the results. Even if the mussel closure was due solely to the presence starfish, the highest average length of closure seen was 202.6 seconds for powdered trials, and 951.3 seconds for liquid trials. These values would be useless in the field. Being able to induce a three minute and twenty second closure with the addition of powder is not something a mussel farmer would find useful. Even a 16 minute closure, as seen in the liquid trial results, would not be worth the time, labour, and financial requirements needed to achieve the concentrations which yielded these results.
Many forms of experimental error could have contributed to skewed results. First and foremost, the method for monitoring the status