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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]
Perch is a common name for freshwater fish from the genus Perca, which belongs to the family Percidae of the large order Perciformes.The name comes from Greek: πέρκη, romanized: perke, meaning the type species of this genus, the European perch (P. fluviatilis).
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.
Structural coloration can produce the most brilliant colours, often iridescent. [52] For example, the blue/green gloss on the plumage of birds such as ducks, and the purple/blue/green/red colours of many beetles and butterflies are created by structural coloration. [55] Animals use several methods to produce structural colour, as described in ...
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 ...
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It is dark brown in color, grading to white on the belly with two darker brown horizontal bands on the flanks. The stripes are more prominent during spawning, when they darken and the background color flashes. The large pectoral fins are normally carried horizontally, perhaps helping the fish attain the profile of a shark. The first dorsal fin ...