Sentences with phrase «predatory fish such»

And just because a region receives above - average deposition doesn't mean that it will have high levels of methyl mercury, the form that builds up in long - lived predatory fish such as trout, pike, tuna and swordfish.

Now researchers from the ARC Centre of Excellence for Coral Reef Studies (Coral CoE) at James Cook University have found that removing predatory fish such as coral trout and snapper, through fishing, causes significant changes to the make - up of the reef's fish populations.

Threespot Damselfish populations have exploded in recent years due to overfishing of predatory fish such as groupers and snappers.

But some types of seafood — particularly large, predatory fish such as shark, swordfish, king mackerel and tilefish — can contain high levels of mercury.

Not exact matches

If you're concerned about excessive mercury intake, you can minimize the chances by avoiding predatory fish, such as pike, marlin, mackerel, tilefish and swordfish.

Pyenson et al. report that the site, Cerro Ballena, dates to the Late Miocene period and consists of over 40 skeletons of marine vertebrates, including rorqual and sperm whales, seals, predatory fishes, and fascinating, now completely extinct, species such as walrus - whales and aquatic sloths.

«Predatory fish are extremely important for maintaining a balanced ecosystem on the reef, yet predators such as coral trout, snapper and emperor fish remain the main target for both recreational and commercial fishers,» she says.

In the 2007 outbreak, nine people fell ill due to ciguatera fish poisoning (CFP), which can occur after consuming predatory ocean fish — such as barracuda, amberjack, red snapper, and grouper — that have eaten contaminated plant - eating fish.

However, predatory are not a preferred source of fish oil because of a high risk of contaminants such as mercury.

Also, many of the predatory fish species used in sushi, such as salmon, have high amounts of potentially dangerous substances, including pesticides and heavy metals like mercury.

Such is the desperate status of the lionfish wars, an invasion of this predatory fish from the Pacific Ocean into the Bahamas and Caribbean region that threatens everything from coral reef ecosystems to the local economies, which are based on fishing and tourism.