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Blue Angelfish has an overall aqua hue with a yellow shimmer and yellow edges on the fins and scales. The Blue Angelfish does not have the striking blue crown or other blue highlights of the Queen Angelfish. This species has been known to reproduce with the Queen Angelfish, making a half breed that looks like a mixture between the two species.
Eye color. Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye 's iris [ 1][ 2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. [ 3]: 9. In humans, the pigmentation of the iris varies from light brown to black, depending on the concentration of ...
Queen angelfish. The queen angelfish ( Holacanthus ciliaris ), also known as the blue angelfish, golden angelfish, or yellow angelfish, is a species of marine angelfish found in the western Atlantic Ocean. It is a benthic (ocean floor) warm-water species that lives in coral reefs. It is recognized by its blue and yellow coloration and a ...
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.
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.
In the 1983 James Bond film Octopussy, the blue-ringed octopus is the prominent symbol of the secret order of female bandits and smugglers, appearing in an aquarium tank, on silk robes, and as a tattoo on women in the order. [ 28][ 2] The Adventure Zone featured a blue-ringed octopus in its "Petals to the Metal" series.
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 ...
The tail has two stripes of the same blue running along each side as far as the spines. The eyes are bright yellow and the belly is white. [3] [8] Individuals found off southern Africa may lack the blue tail stripes. [10] The bluespotted ribbontail ray grows to 35 cm (14 in) across, 80 cm (31 in) long, and 5 kg (11 lb). [5] [11]