Do fish eat human ashes?
Mia Phillips
Updated on May 03, 2026
Are Human Ashes Bad for the Ocean? Human ashes do not dissolve in the ocean's waters. However, being a coarse, gritty, sand-like substance, the ashes will scatter throughout the ocean with no negative effects.
Do ashes harm fish?
Ash can clog up the gills of a fish making it difficult for them to get oxygen from the water and if severe enough, can kill them. The content of ash raises the pH level of the water.Do human ashes float or sink?
Loved ones may place flowers, petals or floating candles into the water alongside the remains as a tribute. These will float on top of the water while the ashes sink below the surface.What happens to human ashes in the ocean?
Do I need a special container for the ashes? While the word "scattering" evokes a particular image, cremated remains buried at sea from a cruise ship will generally be dropped into the sea in a container. The container, or urn, should be biodegradable and sealed with nontoxic glue.Are cremated ashes toxic?
Cremation myth #10: Human ashes are a biohazard.Cremation remains consist of bone matter, which includes dry calcium phosphates and other minerals, such as potassium and sodium. Rather than being toxic, cremated remains are considered a natural, sanitary substance.
Scarification | National Geographic
Do human ashes smell?
Most people who keep the ashes of a departed human or pet loved one at home say they detect no odor from the cremains. A few respondents indicated a very slight metallic odor or a very slight scent of incense. Your experience of keeping cremains at home may vary, depending on the type of container you choose.How long do cremated ashes last?
How long do cremated ashes last? In theory, cremated ashes can last forever. Some funeral homes have ashes from the 19th Century that are still in their urns, and archeologists have been known to discover ashes that are thousands of years old.Why you should not scatter ashes?
Ask Permission Before Scattering Ashes on Private PropertyDon't try to secretly spread the ashes anyway. While there may be no specific cremation ashes laws that directly address this issue in your state, it's trespassing and it's illegal. You could face fines and even jail time.