Search Threatened Species

Explore the IUCN Red List by name, group, country, status, and population trend.

55,200 species

Blacknose SharkEN

Blacknose Shark

Carcharhinus acronotus

Declining18
EN

Blacknose Silverside

Chirostoma promelas

Declining1
Blackside DaceEN

Blackside Dace

Chrosomus cumberlandensis

Declining1
Blackspot AllotocaCR

Blackspot Allotoca

Allotoca maculata

Declining1
Blackspot SharkVU

Blackspot Shark

Carcharhinus sealei

Declining14
Blackspotted CatsharkEN

Blackspotted Catshark

Halaelurus buergeri

Declining10
VU

Blackspotted Smoothhound

Mustelus punctulatus

Declining17
EN

Blackstripe Minnow

Tampichthys rasconis

Unknown1
EN

Blacktailed Icius Jumping Spider

Icius nigricaudus

Unknown1
Blackthorn Aurora MothEN

Blackthorn Aurora Moth

Rhagades pruni

Unknown30
Blackthorn slenderEN

Blackthorn slender

Parornix torquillella

Unknown22
VU

Blackthroat

Calliope obscura

Declining2
Blacktip Reef SharkVU

Blacktip Reef Shark

Carcharhinus melanopterus

Declining84
Blacktip SharkVU

Blacktip Shark

Carcharhinus limbatus

Declining88
VU

Blackwing Speckled Bush-cricket

Leptophyes discoidalis

Declining9
EN

Bladder grasshopper

Prostalia granulata

Declining1
EN

Bladder grasshopper

Physophorina livingstonii

Unknown6
EN

Bladder grasshopper

Physemacris papillosa

Declining1
EN

Bladder grasshopper

Physophorina miranda

Unknown2
VU

Bladder grasshopper

Peringueyacris namaqua

Declining1
VU

Bladder grasshopper

Bullacris obliqua

Unknown1
BladderfernEN

Bladderfern

Cystopteris sudetica

Unknown
EN

Bladderwort

Aldrovanda vesiculosa

Declining56
Blade Fire CoralCR

Blade Fire Coral

Millepora complanata

Declining4
EN

Blair's Dirt Frog

Craugastor blairi

Declining1