Scientific name: Alopias superciliosus
Spanish name: Tiburón Zorro Ojón

Description: the big eye thresher is also known as the Big eye Fox, its easy to recognize from the other threshers because of its deep grooves above its very large eyes, which are located almost on top of the head. Its pectoral fins are long, curved on the trailing margins and rounded at the tips.

Size: is the biggest from all thresher sharks, it reaches 4.6 meters.

Distribution: this specie occurs in nearly all tropical and subtropical open oceans and coastal areas, from the surface to depths of about 500 meters.

Feeding: it is known to feed in the water column on pelagic mackerel, tuna, herring, and billfishes as well as on bony fishes and squid near the bottom.

Reproduction: females reach reproductive maturity when about 2.6 meters in length.

Particularities: embryos are cannibalistic in the uterus and only two live pups are born. These are almost 1 meter long, big eye thresher also bear cannibalistic pups, but litter sizes range from two to four, suggesting that some embryos coexist through gestation.