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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]
See: List of endangered fishes, List of critically endangered fishes. Vulnerable, endangered and critically endangered species are collectively referred to as threatened species by the IUCN. Additionally 3191 fish species (21% of those evaluated) are listed as data deficient, meaning there is insufficient information for a full assessment of ...
The greeneye spurdog is a robust dogfish with a fusiform body shape, bright green eyes, and overall grey colour. The underparts are paler: paler grey chin and throat to grey-white along the body and tail. The dorsal fins are pale grey with black margins. The pectoral and pelvic fins are grey with paler trailing edges and undersurfaces.
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 ...
A massive rare fish thought to only live in temperate waters in the southern hemisphere has washed up on Oregon's northern coast, drawing crowds of curious onlookers intrigued by the unusual sight.
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 ...
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 .
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