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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]
Fish and frog melanophores are cells that can change colour by dispersing or aggregating pigment-containing bodies. Chromatophores are special pigment-containing cells that may change their size, but more often retain their original size but allow the pigment within them to become redistributed, thus varying the colour and pattern of the animal.
The first recorded use of salmon as a color name in English was in 1776. [ 1 ] The actual color of salmon flesh varies from almost white to light orange, depending on their levels of the carotenoid astaxanthin , which in turn is the result of the richness of the fish's diet of krill and shrimp ; salmon raised on fish farms are given non ...
Coloration is a grayish blue-green dorsally, fading to white on the lower sides and belly. Its single row of teeth in each jaw is uniform in size, knife-edged, and sharp. Bluefish commonly range in size from seven-inch (18-cm) "snappers" to much larger, sometimes weighing as much as 40 lb (18 kg), though fish heavier than 20 lb (9 kg) are ...
The fish may be a Tanchō Shōwa, Tanchō Sanke, or even Tanchō Goshiki. It is named for the Japanese red-crowned crane (Grus japonensis), which also has a red spot on its head. Chagoi (茶鯉), "tea-colored", this koi can range in color from pale olive-drab green or brown to copper or bronze and more recently, darker, subdued orange shades ...
Synchiropus splendidus, the mandarinfish or mandarin dragonet, is a small, brightly colored member of the dragonet family, which is popular in the saltwater aquarium trade. The mandarinfish is native to the Pacific, ranging approximately from the Ryukyu Islands south to Australia. It can usually be found in some of the warmer waters.
The foreground coloration covering most of the body is usually dark green, brown, or black. The ventral side of the fish is often yellow or orange, though it can sometimes be darker. The coloration on the rim of the opercular flap is often orange or red with hints of white.
Garibaldi are deep-bodied, or laterally compressed fish, covered in coarse scales. They have a single dorsal fin with about 12 spines and 16 rays. [4] Adult fish in this species are uniformly bright orange in color. It is the largest member of the damselfish family and can grow up to 35.6 cm (14.02 in) in length.