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Close-up of fish melanophores. Fish coloration is produced through specialized cells called chromatophores. The dermal chromatophore is a basic color unit in amphibians, reptiles, and fish which has three cell layers: "the xanthophore (contains carotenoid and pteridine pigments), the iridophore (reflects color structurally), and the melanophore (contains melanin)". [5]
Painted fish are ornamental aquarium fish which have been artificially coloured to appeal to consumers. This artificial colouring, also known as juicing , is achieved by a number of methods, such as injecting the fish with a hypodermic syringe containing bright fluorescent colour dye , dipping the fish into a dye solution, or feeding the fish ...
Freepik is a technology company specializing in AI tools for creating and editing audiovisual content. [1] The company provides AI-powered design tools, AI-generated images, and a growing collection of stock photos, illustrations, and vector graphics, operating under a freemium business model. [2]
Tilapia, often farmed, is a popular and common supermarket fish in the United States. [citation needed] In India, Nile tilapia is the most dominant fish in some of the South Indian reservoirs and available throughout the year. O. niloticus grows faster and reaches bigger sizes in a given time. The littoral areas of Kelavarappalli Reservoir are ...
the two stripe damsel is a very hardy fish. This fish is perfect for the beginner marine aquarist, as it can tolerate substandard water quality. This fish is highly aggressive, and requires many hiding places. 10 cm (3.9 in) Yellow damsel: Amblyglyphidodon aureus: Yes: 13 cm (5.1 in) Yellow threespot Dascyllus: Dascyllus auripinnis: Yes [49]: 205
Bathypterois dubius [1]. Bathypterois is a genus of deepsea tripod fishes.They are a diverse genus that belong to the greater family Ipnopidae and order Aulopiformes.They are distinguished by having two elongated pelvic fins and an elongated caudal fin, which allow them to move and stand on the ocean floor, much like a tripod, hence the common name. [2]
Bony fish have fin spines called lepidotrichia or "rays" (due to how the spines spread open). They typically have swim bladders, which allow the fish to alter the relative density of its body and thus the buoyancy, so it can sink or float without having to use the fins to swim up and down. [14]
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. Water absorbs light so that with increasing depth the amount of light available decreases quickly.