Koi fish, which are popular among Chinese and Japanese, are an increasingly popular food item among Asian populations.
But a new study suggests that the koi may have a bit of a negative impact on the environment.
The researchers suggest that the fish may have contributed to the disappearance of endangered Pacific bluefin tuna and may have altered the health of the Atlantic cod population.
The study was published Wednesday in the journal Nature Communications.
The scientists focused on the Pacific bluefins, a relatively new species of tuna found in the Pacific.
The fish is native to the Gulf of California and the Pacific Ocean.
It was introduced into the United States in the 1970s.
The species has declined by about a third in the last 50 years.
Scientists believe the tuna’s decline has been linked to commercial fishing.
“The fish is disappearing from commercial fishing fleets because of the pollution it creates in the Gulf and Atlantic,” said Mark Lippe, a fisheries ecologist at the University of Texas at Austin.
“These fish are going to be impacted by the pollution of the fishing industry and the environmental impact of the fish.”
The study also looked at the health and health effects of the Pacific cod.
Researchers found that the Atlantic redfin was healthier in captivity and had a higher body mass index, or BMI, than wild Pacific cod, which have a lower BMI.
The Atlantic redfins also had higher levels of vitamin D3, a nutrient that helps protect cells against disease.
In the wild, Atlantic cod have lower body masses and higher levels to the vitamin D. The authors also noted that the cod in captivity had a reduced rate of disease.
The Pacific redfin is the second most common fish species in captivity, behind the Atlantic.
In both populations, the authors noted that their diet is rich in omega-3 fatty acids, which can help fight disease.
“This study suggests the fish is not as nutritious as it might be,” said study author Mark L. Lippes.
The report found that Atlantic cod, the world’s most popular seafood, are healthier in the wild than wild cod.
The diet of wild Atlantic cod varies greatly from season to season, so this study is the first to look at the effects of diet and habitat in relation to health.
It also provides a clue about the role of fish in the global food chain, which is the source of nearly all seafood.
The tuna fish in this study also has the ability to live in a range of different conditions.
It is not uncommon to find wild Atlantic redfish in water with salt, or a saltwater environment.
However, it is not known how many wild Atlantic bluefin fish are caught each year in this region.
It may be more common for wild Atlantic fish to be caught in water that has less salt.
A study conducted by researchers at the Australian National University showed that the abundance of Atlantic cod in a specific saltwater area in the South Australian region of the Great Barrier Reef varied from one year to the next.
The region is a natural breeding ground for Atlantic cod and Atlantic bluefishes.
A fish can breed in saltwater up to one-third of the time, and a wild Atlantic will lay up to 50 eggs each year.
The team also found that fish in saltwaters in the western Pacific region were less likely to breed in the spring.
It suggests that saltwater habitats in the region are not ideal for Atlantic fish.
“In some places, Atlantic fish may be exposed to low oxygen levels, which may affect their health, or high levels of mercury, which could increase the likelihood of diseases such as lung cancer,” Lippeles said.