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Ms Williams said scuba tanks and flippers were the most common finds but the rarest discovery yet was the first Lego shark ever reported.

Unlike me, however, my mom owned a cheap pair of flippers: those perfect, creepy-looking fake teeth toddlers wear in beauty pageants.

Experts say that the whale — a 40-foot-long, approximately 5-year-old humpback — is likely in distress because the rope is tightly tied around its right flipper and extends through its mouth.

The development of a claw or a flipper requires many particular different genes.

By phenotype, Sackton means the actual expression of that trait, like having flippers or engaging in gaze following, as opposed to its genotype, meaning the genetic makeup that results in that trait.