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The family name Chlorophthalmidae derives from the Greek words chloros meaning "green" and ophthalmos meaning "eye". Some species are of interest to commercial and subsistence fisheries; the fish are made into fish meal or sold fresh. The earliest known member of the group is Acrognathus from the Cenomanian. [1]
Most oceanic species (78 per cent, or 44 per cent of all fish species), live near the shoreline. These coastal fish live on or above the relatively shallow continental shelf. Only 13 per cent of all fish species live in the open ocean, off the shelf. Of these, 1 per cent are epipelagic, 5 per cent are pelagic, and 7 per cent are deep water. [16]
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The IUCN also lists ten fish subspecies as endangered. Of the subpopulations of fishes evaluated by the IUCN, 24 species subpopulations have been assessed as endangered. For a species to be considered endangered by the IUCN it must meet certain quantitative criteria which are designed to classify taxa facing "a very high risk of extinction". An ...
Its common name in English is green-eyed hawker. In the United Kingdom it is a localised species, and is called the Norfolk hawker . Aeshna isoceles is brown, with green eyes, clear wings, and a yellow triangular mark on the second abdominal segment which gave rise to its scientific name .
Critically endangered (CR) species face an extremely high risk of extinction in the wild. As of July 2017, the International Union for Conservation of Nature (IUCN) listed 1,000 critically endangered fish species, including 87 which are tagged as possibly extinct. [1] [2] Of all evaluated fish species, 3.0% are listed as critically endangered ...
The historic dual cicada emergence continues across Illinois. As we come eye to eye with these insects, the revelation is prompting people to ask about the way these things look. Here are a few ...
Mora moro, the common mora, is a deep-sea fish, the only species in the genus Mora. It is found worldwide in temperate seas, at depths of between 300 and 2,500 m. Its length is up to about 80 cm. Other names in English include goodly-eyed cod, googly-eyed cod, and ribaldo.