2017 වන විට [ update] ජූලි දත්ත අනුව, ලෝක සංරක්ෂණ සංගමය (IUCN) වඳවී යාමේ උග්ර තර්ජනයට ලක්වූ මාළු විශේෂ 1,000 ලැයිස්තු ගත කෙරෙයි. ඉන් 87 ක් වඳ වී ගොස් තිබීමට ඉඩ ඇත ලෙස සළකුණු කොට ඇත.[1] [2]
Extinct in the wild (EW) : 6 species
Critically endangered (CR) : 455 species
Endangered (EN) : 643 species
Vulnerable (VU) : 1,245 species
Near threatened (NT, LR/cd) : 548 species
Least concern (LC) : 9,131 species
Data deficient (DD) : 3,191 species
Fish species (IUCN, 2016-2)
15,219 extant species have been evaluated
12,028 of those are fully assessed[lower-alpha 1]
9679 are not threatened at present[lower-alpha 2]
2343 to 5534 are threatened[lower-alpha 3]
71 to 158 are extinct or extinct in the wild:
65 extinct (EX) species[lower-alpha 4]
6 extinct in the wild (EW)
87 possibly extinct [CR(PE)]
0 possibly extinct in the wild [CR(PEW)]
Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
Chart omits extinct (EX) species
Critically endangered (CR) species face an extremely high risk of extinction in the wild.
විශේෂ
"IUCN Red List version 2016-2" . The IUCN Red List of Threatened Species . International Union for Conservation of Nature and Natural Resources (IUCN). සම්ප්රවේශය 8 September 2016 .