Sentences with phrase «predatory fish on»

The largest predatory fish on the planet inspired Steven Spielberg's movie Jaws, which sealed the shark's image as a man - eater.

Not exact matches

Before the extinction, fish were dominated by two groups: the armor - plated, predatory placoderms and the lobe - finned fish, whose fins are borne on a fleshy, scaly stalk extending from the body.

The compound might help the animal defend against predatory fish, or it might actually be produced by symbiotic microbes living on the creature's surface.

Spawning heavily and putting on weight rapidly, Asian carp soon grow too big for native predatory fish to take on.

While the jawed vertebrate lineage spawned the majority of vertebrate life that exists on Earth today — «evolutionarily speaking, we are all bony fish,» says Gillis — lamprey and hagfish are the living remnants of a once extensive assemblage of primitively predatory jawless vertebrates.

Predatory fish are extremely important for maintaining a balanced ecosystem on the Great Barrier Reef.

«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.

The small crustaceans, which dine on parasites that infest large, predatory fish, use the dance to attract customers.

«Predatory fish will not eat those fishes because they think they are venomous and going to cause them harm, but this protection provided also allows some of these mimics to get very close to unsuspecting fish to feed on them, by picking on their scales as a micropredator,» says study co-author Nicholas Casewell of the Liverpool School of Tropical Medicine.

In general, you want to avoid predatory fish high on the food chain, since metals concentrate in the eater each time a fish gets eaten, and fish from highly polluted areas like China.

Fortunately, most of the miniature species of fish available to the trade are not predatory on other fish species.

Plenty of fish will turn over a starfish and eat it, but there are also predatory species of starfish that attack fish that live on the substrate.

In other words, the emphasis was on feeding small ornamental species — not the large predatory fish that are so popular today.

In 2011, he joined the California State University, Long Beach Shark Lab, where his Master's degree work focused on analyzing movements of juvenile predatory fishes to assess the landscape connectivity, habitat use and effectiveness of restored estuaries.

Scripps's murrelet feeds at sea (but on average not as far from land as Guadalupe murrelet), often in association with large pelagic predatory fish like tuna, on larval fish like anchovies, sardines and Sebastes rockfish.

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.