Search results
Results From The WOW.Com Content Network
Vision in fish. An oscar, Astronotus ocellatus, surveys its environment. Vision is an important sensory system for most species of fish. Fish eyes are similar to the eyes of terrestrial vertebrates like birds and mammals, but have a more spherical lens.
Bright blue all over, although lighter toward the front. 13 cm (5.1 in) Damselfish: Chromis chromis: Yes: Completely black. Despite the name, this is actually a chromis, in fact, it is the chromis. 25 cm (9.8 in) Green chromis: Chromis viridis: Yes: Generally bluish green, but some specimens may be spring green. 8 cm (3.1 in) Half and half chromis
Amongst jawless fish, the lamprey has well-developed eyes, while the hagfish has only primitive eyespots. [6] Fish vision shows adaptation to their visual environment, for example deep sea fishes have eyes suited to the dark environment. Fish and other aquatic animals live in a different light environment than terrestrial species.
The leafy seadragon is related to the pipefish and belongs to the family Syngnathidae, along with the seahorse. It differs from the seahorse in appearance, form of locomotion, and its inability to coil or grasp things with its tail. A related species is the weedy seadragon, which is multicoloured and grows weed-like fins, but is smaller than ...
Velella. Velella is a monospecific genus of hydrozoa in the Porpitidae family. Its only known species is Velella velella, [ 2] a cosmopolitan (widely distributed) free-floating hydrozoan that lives on the surface of the open ocean. It is commonly known by the names sea raft, by-the-wind sailor, purple sail, little sail, or simply Velella.
Distribution and habitat. Glaucus atlanticus is the blue sea slug shown here out of water on a beach, and thus collapsed; however, touching the animal directly with your skin can result in a painful sting, with symptoms similar to those caused by the Portuguese man o' war. The slug in the water.
The Greenland halibut or Greenland turbot ( Reinhardtius hippoglossoides) belongs to the family Pleuronectidae (the right-eye flounders), and is the only species of the genus Reinhardtius. It is a predatory fish that mostly ranges at depths between 500 and 1,000 m (1,600–3,300 ft), and is found in the cold northern Atlantic, northern Pacific ...
It has copper eyes, a green head, yellow-brown sides and a smattering of darker brown blotches. Other photos show a frog with a darker military green coloring and a lighter green body.