Tree of Life
Plant Flower, Tree
Invertebrate Octopus, Ant, Bee, Butterfly, Spider, Lobster
Vertebrate Fish, Seahorse, Ray, Shark, Frog, Turtle, Tortoise, Dinosaur
Bird, Ostrich, Owl, Crow, Parrot
Mammal Bat, Rabbit, Giraffe, Camel, Horse, Elephant, Mammoth
Whale, Dolphin, Walrus, Seal, Polar Bear, Bear, Cat, Tiger, Lion, Dog, Wolf
Monkey, Chimpanzee, Human
These are organized by a classification scheme developed exclusively for Cosma. More…
ray : any of an order (Rajiformes) of usually marine cartilaginous fishes (such as stingrays and skates) having the body flattened dorsoventrally, the eyes on the upper surface, and enlarged pectoral fins fused with the head — Webster
Ray is a superorder of cartilaginous fish scientifically known as Batoidea. They and their close relatives, the sharks, comprise the subclass Elasmobranchii. Rays are the largest group of cartilaginous fishes, with well over 600 species in 26 families. Rays are distinguished by their flattened bodies, enlarged pectoral fins that are fused to the head, and gill slits that are placed on their ventral surfaces. — Wikipedia
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Study dives deep into saving endangered shark
on May 17, 2019 at 12:16 pm
Mackerel sharks are large, fast-swimming apex predators that include Hollywood heavy-hitters like great whites (Jaws), mako (Deep Blue Sea) and the now-extinct Megalodon (The Meg). One of the smallest mackerel sharks is the porbeagle—on average less than two metres long—and it's one of the most critically endangered species of shark, too. […]
Hubble astronomers assemble wide view of the...
on May 16, 2019 at 1:30 pm
Astronomers have put together the largest and most comprehensive "history book" of galaxies into one single image, using 16 years' worth of observations from NASA's Hubble Space Telescope. […]
How is climate change affecting fishes? There are...
on May 14, 2019 at 2:10 pm
Climate change affects all life on Earth, but it poses unique challenges for aquatic species. For example, as water warms it holds less dissolved oxygen than cooler water. As a result, the world's oceans, coastal seas, estuaries, rivers and lakes are undergoing a process known as "deoxygenation." […]
The only way is down: subterranean survival...
on May 9, 2019 at 7:11 am
Solutions to the biggest threats facing our planet lie underground, according to experts who insist climate change, overpopulation and food shortages can all be tackled by going subterranean. […]
Tourists and fishers key to future of rare manta...
on May 1, 2019 at 2:20 pm
Two manta ray hotspots in waters near Bali identified in new research as vital habitats for the threatened species, could be at risk from unregulated tourism and small scale/ artisanal fishing. […]