The five pairs of gill slits are longer than those of similar requiem shark species. Species recorded as being predators of torpedo scad include species of drums and requiem shark. Teeth can even lead to the identification of shark species like the requiem shark. The oceanic whitetip shark is a medium-sized requiem shark. The spadenose shark ("Scoliodon laticaudus") is a species of requiem shark in the family Carcharhinidae. The bignose shark ("Carcharhinus altimus") is a species of requiem shark, in the family Carcharhinidae. "Rhizoprionodon oligolinx", is a requiem shark of the family Carcharhinidae. The Brazilian sharpnose shark ("Rhizoprionodon lalandii") is a requiem shark of the family Carcharhinidae. The Australian sharpnose shark ("Rhizoprionodon taylori") is a requiem shark, belonging to the family Carcharhinidae.