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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 ...
The blue grenadier (also known as hoki, blue hake, New Zealand whiptail, or whiptail hake, Macruronus novaezelandiae) is a merluccid hake of the family Merlucciidae found around southern Australia and New Zealand, as well as off both the Atlantic and Pacific coasts of South America from Peru to Brazil [1] at depths of between 10 and 1,000 m (33 and 3,300 ft).
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] Its body pattern changes to a broad banded pattern at night. [12]
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]
Fistularia commersonii Rüppell, 1838 (blue-spotted or smooth cornetfish) Fistularia corneta C. H. Gilbert & Starks, 1904 (Pacific cornetfish) Fistularia petimba Lacépède, 1803 (red cornetfish) Fistularia tabacaria Linnaeus, 1758 (cornetfish or blue-spotted cornetfish) Fossil skull of F. koenigi from the Oligocene of Switzerland
The blue maomao has a laterally, compressed and relatively deep body with a noticeably forked tail. They have protrusible jaws, equipped with a number of rows of small, closely set teeth, which are used to capture larger zooplankton. The adults are deep blue dorsally and pale ventrally, at night they change colour to a mottled dark green.
This is a medium-sized fish that can reach a length of 60 centimeters (24 in). Small individuals are dark brown with hundreds of small, dark-edged iridescent blue spots. Larger specimens sometimes develop four to six lighter vertical bars on the back half of its body. [3] Cephalopholis argus, Vilamendhoo Maldives
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.