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The Dolly Varden trout (Salvelinus malma) is a species of salmonid ray-finned fish native to cold-water tributaries of the Pacific Ocean in Asia and North America.Despite the name "trout" (which typically refers to freshwater species from the genera Salmo and Oncorhynchus), it belongs to the genus Salvelinus (chars), which includes 51 recognized species, the most prominent being the brook ...
Girella cyanea can be recognized by its blue coloration and yellow spots, with its blueish color becoming a greyish-green in post mortem. [2] The adults of this species are they can attain a length of 76 cm and their bright flank spots are distinctive. When they are younger they are greeny-grey in colour and the spots are paler yellow.
In September 2016, the International Union for Conservation of Nature (IUCN) listed 1245 vulnerable fish species. [1] Of all evaluated fish species, 8.1% are listed as vulnerable. The IUCN also lists eight fish subspecies as vulnerable. Of the subpopulations of fishes evaluated by the IUCN, 18 species subpopulations have been assessed as ...
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]
Blue runner is also of high importance to recreational fisheries, with anglers often taking the species both for food and to use as bait. The blue runner has a reputation as an excellent gamefish on light tackle, taking both fish baits, as well a variety of lures including hard-bodied bibbed lures, spoons, metal jigs and soft plastic jigs. [39]
Thalassoma bifasciatum, the bluehead, bluehead wrasse or blue-headed wrasse, is a species of marine ray-finned fish, a wrasse from the family Labridae. It is native to the coral reefs of the tropical waters of the western Atlantic Ocean. Individuals are small (less than 110 mm standard length) and rarely live longer than two years.
Plectorhinchus caeruleonothus, the blue bastard, is a species of ray-finned fish belonging to the subfamily Plectorhinchinae, the sweetlips, one of two subfamilies in the family Haemulidae, the grunts. It was discovered in Australia in 2015.
This fish reaches 8.5 centimeters in length. It is bright blue in color; the male has a yellow snout and tail, and the female and juvenile usually lack yellow but have a black spot at the base of the back edge of the dorsal fin. [2] [5]