Quick answer
Key facts about sand tiger shark — size, diet, habitat, and conservation in one place.
Buoyancy trick
Sand tigers gulp air at the surface, holding it in the stomach to adjust buoyancy — unique among sharks for neutral floating.
Intrauterine cannibalism
Embryos eat siblings in utero — adelphophagy — so only two pups born per litter every two years, limiting population growth.
Aquarium ambassador
Slow swimming and toothy appearance make sand tigers common in public aquariums — education value despite captive welfare debates.
Coastal vulnerability
Nearshore habitat overlaps fishing and beach nets — Vulnerable globally from combined pressures.