Dein Suchergebnis zum Thema: danger

Mustelus norrisi This slender shark has oval eyes over a pointed snout, long pectoral fins, and an asymmetrical caudal (tail) fin with a pointed lower lobe that trails back. It is a gray on top, fading to dirty white underneath, ideal for blending into the sandy or muddy bottoms of shallow bays a
Photo © George Burgess Danger to Humans This small shark is considered harmless

Gymnura altavela These broad, flat diamond-shaped rays are much wider than they are long, with a short tail that has one or more serrated spine at the base. They are generally dark brown, sometimes with pale-rimmed dark spots or blotches. They have been reported at almost 13 feet wide, but averag
Danger to Humans The spiny butterfly ray is harmless to humans as it is not aggressive

Whether it is flowers sprouting in the spring, cicadas mating in the blistering heat of summer, or caterpillars hatching to feed on their favorite host plant – across the natural world, the timing of biological events is so important it spawned its own scientific discipline: phenology. Much of ph
Life on Earth Unique dove species is the dodo of the Caribbean and in similar danger

Florida Museum of Natural History researchers have discovered a 10-million-year-old Neotropical nursery area for the extinct megalodon shark in Panama, providing fossil evidence the fish used these types of areas to protect their young for millions of years. The article, which appeared in the journa
Life on Earth Unique dove species is the dodo of the Caribbean and in similar danger

The discovery that many Caribbean corals are only distantly related to their counterparts in the Pacific Ocean makes the threats of pollution and global warming trends even more serious, says Florida Museum of Natural History Malacology Curator Gustav Paulay. Paulay, a member of the team that mad
The biggest danger is global warming, however.

Cetorhinus maximus This slow-moving migratory shark is the second largest fish, growing as long as 40 feet and weighing over 5 tons. It is often sighted swimming close to the surface, huge mouth open, filtering 2,000 tons of seawater per hour over its complicated gills to scoop up zooplankton. Ba
Basking sharks are passive and no danger to humans in general, but they are large

T he National Science Foundation has awarded iDigBio nearly $20 million to continue its mission of digitizing natural history collections nationwide, making them available online to researchers, educators and community scientists around the world. For the past decade, iDigBio, a collaborative
serve as a searchable archive of life and help researchers identify species in danger

Bullnose Ray Myliobatis freminvillei These smaller rays rarely grow more than 3 feet wide, their sharply angular pectoral discs wider than their bodies are long. Their heads protrude distinctly from their find space, giving them a duck-billed look in profile. Ranging from chocolate to gray o
Danger to Humans The bullnose ray is harmless to humans.

Squatina dumeril These small sharks look similar to skates, with wide pectoral and pelvic fins extended from the sides of a flattened body, and small dorsal fins on a stout tail near the asymmetrical caudal fin. They are white underneath and medium to dark grey on top with some reddish shading th
Danger to Humans Atlantic angel shark – denticles.

Florida Keys National Marine Sanctuary The National Marine Sanctuaries Act of 1972 authorized the designation and management of marine environments with special national significance due to their conservation, recreational, ecological, historical, scientific, cultural, archaeological, or educat
endangered species: a species in danger of becoming extinct that is protected by