Dolphins have been previously seen seemingly attempting to save humans and other animals from predators like sharks.
Marlena Murray, 29, was indicted on a charge of criminally negligent homicide following the death of her son. She has yet to appear in court.
Receding water levels have led to a spate of grisly discoveries in the reservoir, but officials are also warning of the dangers of not wearing a life jacket.
Asha Randolph, 30, was charged with attempted first-degree murder, child desertion and obstruction of justice.
Josiah Brown was declared dead on Sunday morning after his aunt Victoria Moreno allegedly pushed him into the water nearly a week before.
The youngest child was a three-month-old baby girl, while her brothers were aged four and seven.
Colin Mitchell rescued two dogs that had become stuck under the pool's solar cover.
The Lake Mead National Recreation Area has been classed as one of the deadliest parks in the U.S, as around 300 people have drowned since its construction.
Emergency medical dispatchers provided CPR instructions over the phone after the 5-year-old boy was pulled from the pool and not breathing.
Tom Erndt says that he can now finally find closure for his father's death.
Dora Alvarez Maldonado initially told officers a man was connected to the murder, police said.
The third body found on Lake Mead's shores during the megadrought may be that of Kenneth Funk, an army veteran, says his family.
Lake Mead's receding shorelines, due to an intense drought in the area, have revealed three previously submerged bodies.
The 61-year-old TV veteran was presumed to have been swimming near her home in Cape Vincent, New York, before she died.
A nine-year-old boy drowned in Lake Elsinore, California, while a 13-year-old boy lost his life in Lake Stevens, Washington.
The CDC also reports that for children between 1 and 4 years of age, drowning is the second leading cause of death, trailing only birth defects.
Police said the autopsy revealed the main cause of death was "probable drowning," but "a contributory cause of death was acute methamphetamine intoxication."
Emmeril Kahn Mumtadz, 22, had been missing since he went for a swim May 26 in Switzerland's Aare River with his girlfriend and sister.
City and school officials said that the incident happened at about 8:30 p.m. Wednesday in the presence of the teens' 11-year-old sister.
A Georgia community mourns the drowning death of a young boy on the same weekend a 20-year-old man drowned on Lake Lanier.
The man's wife returned home to find him face down in the pool.
The firefighter was off-duty but responded when he heard a car nearby had driven into the river.
The Texas Military Department is allegedly advising soldiers against performing water rescues after a National Guardsmen drowned last month during a rescue.
Texas Army National Guard Specialist Bishop Evans went missing last week while attempting to rescue migrants crossing a portion of the Rio Grande.
While some commenters applauded the rescuers' efforts, others questioned the context of the footage.
The children's father found them "unresponsive in the bathtub full of water," the local sheriff's department said.
The girl was celebrating her grandmother's 75th birthday with family at a resort when she drowned.