Luciano Candisani / Lemon Shark (Negaprion acutidens), Rocas Atoll, Brazil

Norbert Wu / Lemon Shark (Negaprion acutidens) portrait, vulnerable species, Bahamas, Caribbean

Norbert Wu / Lemon Shark (Negaprion acutidens) pair, vulnerable species, Bahamas, Caribbean

Norbert Wu / Lemon Shark (Negaprion acutidens) photographed by diver, vulnerable species, Bahamas, Caribbean

Norbert Wu / Lemon Shark (Negaprion acutidens), vulnerable species, Bahamas, Caribbean

Norbert Wu / Lemon Shark (Negaprion acutidens) swimming over sea fans, Bahamas, Caribbean

Luciano Candisani / Lemon Shark (Negaprion acutidens) young being released by biologist of Dr. Gruber research team, Rocas Atoll, Brazil

Luciano Candisani / Lemon Shark (Negaprion acutidens) young being released by biologist of Dr. Gruber's research team, Rocas Atoll, Brazil

Flip Nicklin / Lemon Shark (Negaprion acutidens) portrait, occurs in the Pacific Ocean from southern California to Ecuador and Atlantic coastal waters of the Caribbean

Flip Nicklin / Lemon Shark (Negaprion acutidens) portrait, occurs in the Pacific Ocean from southern California to Ecuador and Atlantic coastal waters of the Caribbean

Flip Nicklin / Lemon Shark (Negaprion acutidens) portrait, occurs in the Pacific Ocean from southern California to Ecuador and Atlantic coastal waters of the Caribbean