Looks like you was correctAwesome fish eye kind of look black in the second to last picture which makes it look leucistic instead of albino but I'm probably wrong
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The IGFA has confirmed that the "albino" marlin recently caught off Costa Rica is in fact a blue - and it's leucistic, not albino: "Although common names for marlin generally focus on color (e.g., black marlin, blue marlin, white marlin, etc.) color is typically not the best feature to use in identifying billfish. Especially in this case! The shape and size of this marlin’s dorsal and pectoral fins clearly indicate that it’s a blue marlin even though it’s not blue at all. The eye color - black, rather than red or pink - also indicates that this marlin is leucistic (which is a reduction in pigmentation) rather than albino." Either way, it's still a beautiful fish!
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