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Bigeye thresher shark

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description Bigeye thresher shark Overview

The bigeye thresher shark (Alopias superciliosus) is a pelagic species recognized by its highly elongated upper caudal fin and unusually large eyes positioned in specialized grooves on its head. Inhabiting tropical and temperate oceans worldwide, this shark performs diel vertical migrations, diving to deep, dark waters during the day and returning to shallower depths at night. It uses its long tail to stun prey, primarily schooling fish and squids. The species is classified as vulnerable due to pressures from commercial and recreational fishing.

help Bigeye thresher shark FAQ

What makes the bigeye thresher shark distinct from other sharks?

The bigeye thresher shark (Alopias superciliosus) is instantly recognizable by its enormous, upward-looking eyes and its incredibly long, whip-like tail. The elongated upper lobe of its caudal fin can be almost as long as the rest of its body.

How do bigeye thresher sharks use their long tails?

They use their extended, whip-like tails as weapons to stun schools of fish and squid before consuming them. This unique hunting method allows them to catch fast-moving prey efficiently in the open ocean.

Where do bigeye thresher sharks live?

They are a highly migratory species found in tropical and temperate oceans worldwide. They are known to make deep daytime dives to extreme depths, using their large eyes to hunt in the dark, aphotic waters.

Is the bigeye thresher shark an endangered species?

Yes, the species is currently listed as Vulnerable by the IUCN due to heavy pressure from commercial fishing operations. They have a very low reproductive rate, making it difficult for their populations to recover quickly from overfishing.

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