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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 ...
Arothron caeruleopunctatus is a medium-sized fish which grows up to 80 cm length. [3] Its body is oval shape, spherical et relatively elongated. The skin is not covered with scales. The fish has no pelvic fin and no lateral line. The dorsal fin and the anal fin are small, symmetric and located at the end of the body. Its snout is short with two ...
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 vulnerable. For a species to be assessed as vulnerable to extinction the best available evidence must meet quantitative criteria set by the IUCN designed to reflect "a high risk of ...
The blue trevally is a moderately large fish, growing to a recorded maximum length of 70 cm and a weight of 8 kg. [2] The species is similar in general morphology to a number of other trevallies in the genus Carangoides , having a compressed, oblong body, with the dorsal profile more convex than the ventral profile.
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.
The blue runner is moderately large in size, growing to a maximum confirmed length of 70 cm and 5.05 kg in mass, but is more common at lengths less than 35 cm. [4] The blue runner is morphologically similar to a number of other carangids, having an elongated, moderately compressed body with dorsal and ventral profiles of approximately equal ...
It is notable for its unusually long, slender body shape. [12] It has a tubular snout, large eyes and a long tail filament lined with sensory pores which may help with detecting prey. Its body is tinted blue-grey to greenish-grey [ 6 ] with two thin blue stripes or lines of dots on the back and lighter on the front. [ 3 ]
Noticeable horizontal green lines occur on their faces and their blueish-green scales give them a sparkling appearance. They also have long, flowing fins with a hint of orange to the tips. Blue acaras natively live in a tropical climate and prefer water with a pH of 6.5-8.0, a water hardness of 3-6° dGH , and a water temperature of 22–30 °C ...