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Take a guess at the fish in this picture.
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Distinguishing the difference between big-eye and yellowfin tuna is almost brain surgery.
Do you know the difference between a shortfin and a longfin mako?
Q: Coming from New Zealand, we are very familiar with the shortfin mako shark and are therefore intrigued by the longfin mako, which does not appear in our waters. Vague descriptions are all we have come across. What can you tell us of the differences between the shortfin and longfin mako? What is the longfin's maximum size and range? - Julian and Mike Brook, Auckland, New ZealandA: Anglers most often encounter the shortfin mako (Isurus oxyrinchus) because it is more likely to move inshore on occasion.