ratfish การใช้

• The first dorsal fin is one of the strangest features of these ratfish.
• Common names for this fish include mousefish, ratfish, sandfish, and sand eel.
• Falcatidae is a family of paleozoic ratfish.
• "' Symmoriida "'is an extinct order of ratfish that contains three families.
• "' Symmoriidae "'is an extinct family of ratfish from the Carboniferous period.
• "' Eugeneodontida "'is an extinct and poorly known order of bizarre ratfish.
• Although it was a ratfish, " Cobelodus " had a number of differences from modern forms.
• Many species have long, tapering tails, giving them an alternative name of "'ratfish " '.
• The ratfish lays leathery egg cases on the bottom of muddy or sandy areas which are often mistaken by divers as something inanimate.
• Most species are restricted to depths below, but a few, notably the spotted ratfish and rabbit fish, can locally be found at relatively shallow depths.
• ""'Stethacanthus " "'is an extinct genus of ratfish which lived from the Late Devonian to Early Carboniferous epoch, dying out around 323.2 million years ago.
• "Bradyodonti " can also refer to the present-day Chimaera or ratfish of the order Chimaeriformes, which have an upper jaw fused to the braincase and a flap of skin covering the gill slits.
• And when they dived to the ocean bottom _ sometimes as deep as 5, 000 feet _ they probably preyed largely on fish such as skates, rays, ratfish, small sharks and hagfish, the scientists say.
• Among the strange creatures the scientists plan to display in the aquarium's new deep sea exhibit, scheduled to open in March, are mushroom corals, predatory tunicates, sea whips, spider crabs, filetail cat sharks, ratfish, feather stars, and ellpouts.
• Other than the species previously mentioned, he also studied the nervous systems of corals, sea urchins, spirunculids, " Limulus ", " Aplysia ", starfish, rattlesnakes, rays, sharks, porpoises, sea lions, cuttlefish, catfish, sloths, manatees, salamanders, frogs, turtles, hagfish, crayfish, tuna, ratfish, bats, crabs, octopodes, snakes, rats and humans.