Explore:
Threatened Species
Mammals
Birds
Reptiles
Amphibians
Fish
Invertebrates - terrestrial
Invertebrates - marine
Plants & algae
Fungi & lichen
British Species
Mammals
Birds
Reptiles
Amphibians
Fish
Invertebrates - terrestrial
Invertebrates - marine
Plants & algae
Fungi & lichen
Species
Video
Images
All
Search
Home
>
Threatened Fish
List by common name
List by scientific name
Click on the first letter of the common name.
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Threatened Fish
Species
1
-
50
of
255
[
next
]
Airsac catfish (
Heteropneustes microps
)
The peculiar looking airsac catfish, known from only a few specimens, is an air-breathing, freshwater fish. A long air sac that...
More
1 Image
0 Videos
Albacore tuna (
Thunnus alalunga
)
This large, oceanic fish is built for speed, with a torpedo-shaped body, smooth skin and streamlined fins. The albacore tuna...
More
1 Image
0 Videos
Angel shark (
Squatina squatina
)
With its exceptionally flat body and large pectoral fins, the angel shark resembles a large ray more than a shark. Its skin...
More
8 Images
0 Videos
Anguila ciega (
Ophisternon infernale
)
Like many cave-dwelling species, the Anguila ciega, otherwise known as the blind swamp eel, has lost its eyes and pigmentation...
More
5 Images
0 Videos
Apron (
Zingel asper
)
Information on the apron is currently being researched and written and will appear here...
More
1 Image
0 Videos
Arapaima (
Arapaima gigas
)
The arapaima, or pirarucu as it is known in Brazil, is one of the largest freshwater fishes in the world. Its local name derives...
More
6 Images
3 Videos
Asian arowana (
Scleropages formosus
)
Information on the Asian arowana is currently being researched and written and will appear here...
More
1 Image
0 Videos
Asian sheepshead wrasse (
Semicossyphus reticulatus
)
One of the largest wrasses, the Asian sheepshead wrasse is an extraordinary pinkish-grey fish with large, swelling-like protrusions...
More
1 Image
0 Videos
Atlantic halibut (
Hippoglossus hippoglossus
)
A highly sought after food fish, the Atlantic halibut is the largest flatfish in the world. Flatfish exhibit a unique and...
More
4 Images
1 Video
Atlantic whitefish (
Coregonus huntsmani
)
Information on the Atlantic whitefish is currently being researched and written and will appear here...
More
4 Images
0 Videos
Banded neolebias (
Neolebias lozii
)
Discovered as recently as 1993, this small, rare fish is only found in two streams within the Upper Zambezi River floodplain...
More
2 Images
0 Videos
Banggai cardinalfish (
Pterapogon kauderni
)
With its striking patterning and elegant, elongated fins, it is easy to understand why the Banggai cardinalfish has become...
More
11 Images
0 Videos
Barren's topminnow (
Fundulus julisia
)
Information on the Barren's topminnow is currently being researched and written and will appear here...
More
3 Images
0 Videos
Basking shark (
Cetorhinus maximus
)
The basking shark is the second largest fish in the seas, after the whale shark (Rhincodon typus); its maximum size is thought...
More
8 Images
3 Videos
Beluga (
Huso huso
)
The beluga is the largest sturgeon in the world and the largest European freshwater fish; it can reach up to 5 metres in length....
More
3 Images
1 Video
Big skate (
Raja binoculata
)
Aptly named, the big skate is the largest skate in North American waters. As with all skates, the body is flattened and disc-shaped...
More
7 Images
0 Videos
Big-belly seahorse (
Hippocampus abdominalis
)
The big-belly seahorse is one of the largest of all seahorses, growing up to 35 cm in length. Like other seahorses, the head...
More
11 Images
1 Video
Bigeye tuna (
Thunnus obesus
)
This large, fast-swimming tuna is an important target for numerous commercial fisheries around the world. The streamlined body...
More
3 Images
0 Videos
Black cod (
Epinephelus daemelii
)
Information on the black cod is currently being researched and written and will appear here...
More
1 Image
0 Videos
Black sea bass (
Stereolepis gigas
)
As implied by its alternative name of giant sea bass, the most dramatic feature of this fish is its conspicuous size, with the...
More
7 Images
0 Videos
Blacksaddled coral grouper (
Plectropomus laevis
)
Like other groupers, this rather wary, coral reef-dwelling fish is a large, robust species. It may be one of two colour forms: the...
More
4 Images
0 Videos
Blackspotted torpedo (
Torpedo fuscomaculata
)
Information on the blackspotted torpedo is currently being researched and written and will appear here...
More
1 Image
0 Videos
Blacktip reef shark (
Carcharhinus melanopterus
)
This is the most commonly encountered species of shark in tropical Indo-Pacific reefs. Its medium-sized, streamlined body...
More
11 Images
1 Video
Blacktip shark (
Carcharhinus limbatus
)
The black tip shark is a large, stout shark, with a long, pointed snout and small eyes. Its torpedo-shaped body, grey...
More
14 Images
1 Video
Blind shark (
Brachaelurus waddi
)
This small, stout shark gets its name from its habit of retracting its eyeballs, which causes its thick eyelids to close, when...
More
7 Images
0 Videos
Blotchside logperch (
Percina burtoni
)
Information on the blotchside logperch is currently being researched and written and will appear here...
More
2 Images
0 Videos
Blue shark (
Prionace glauca
)
The blue shark is easily identified by its beautifully coloured slender body, which is a deep indigo-blue across the back, shading...
More
14 Images
4 Videos
Blue shiner (
Cyprinella caerulea
)
Information on the blue shiner is currently being researched and written and will appear here...
More
3 Images
0 Videos
Blue-spotted stingray (
Taeniura lymma
)
This colourful stingray is immediately recognisable by the large, bright, iridescent blue spots that adorn its oval, elongated...
More
18 Images
1 Video
Bluespotted bamboo shark (
Chiloscyllium plagiosum
)
Information on the bluespotted bamboo shark is currently being researched and written and will appear here...
More
3 Images
0 Videos
Bluntnose six-gill shark (
Hexanchus griseus
)
As its common name alludes, the bluntnose six-gill shark has a characteristically blunt rounded snout and six long gill slits...
More
6 Images
2 Videos
Bocaccio rockfish (
Sebastes paucispinus
)
Information on the bocaccio rockfish is currently being researched and written and will appear here...
More
1 Image
0 Videos
Boesman's rainbowfish (
Melanotaenia boesemani
)
Information on the Boesman's rainbowfish is currently being researched and written and will appear here...
More
3 Images
0 Videos
Bonytail chub (
Gila elegans
)
Information on the bonytail chub is currently being researched and written and will appear here...
More
2 Images
0 Videos
Boulder darter (
Etheostoma wapiti
)
Information on the boulder darter is currently being researched and written and will appear here...
More
1 Image
0 Videos
Bowmouth guitarfish (
Rhina ancylostoma
)
Named for its distinctive mouth which undulates like a longbow, this deep-bodied guitarfish is unmistakable. The species has...
More
3 Images
0 Videos
Bramble shark (
Echinorhinus brucus
)
The most unusual feature of this sluggish shark is the sharp tooth-like denticles scattered over its body and fins. A stout-bodied...
More
5 Images
0 Videos
Broadnose sevengill shark (
Notorynchus cepedianus
)
Information on the broadnose sevengill shark is currently being researched and written and will appear here...
More
4 Images
0 Videos
Bronze whaler (
Carcharhinus brachyurus
)
Named for its bronze, or sometimes greyish-bronze upperside, this is a large, fairly slender shark with a moderately long and...
More
12 Images
1 Video
Brown shyshark (
Haploblepharus fuscus
)
Information on the brown shyshark is currently being researched and written and will appear here...
More
1 Image
0 Videos
Brown-marbled grouper (
Epinephelus fuscoguttatus
)
The brown-marbled grouper is a robust marine fish, with a pale yellowish-brown, scaled body, covered with large, irregular, dark...
More
3 Images
0 Videos
Brownbanded bamboo shark (
Chiloscyllium punctatum
)
Information on the brownbanded bamboo shark is currently being researched and written and will appear here...
More
5 Images
0 Videos
Brownstriped grunt (
Anisotremus moricandi
)
Information on the brownstriped grunt is currently being researched and written and will appear here...
More
1 Image
0 Videos
Bull shark (
Carcharhinus leucas
)
The bull shark, named for its stocky body and ferocious reputation, is most famous for its remarkable ability to thrive in both...
More
13 Images
3 Videos
Cahaba shiner (
Notropis cahabae
)
Information on the Cahaba shiner is currently being researched and written and will appear here...
More
1 Image
0 Videos
Calico grouper (
Epinephelus drummondhayi
)
Information on the calico grouper is currently being researched and written and will appear here...
More
1 Image
0 Videos
California horn shark (
Heterodontus francisci
)
Information on the California horn shark is currently being researched and written and will appear here...
More
7 Images
0 Videos
Camouflage grouper (
Epinephelus polyphekadion
)
Information on the camouflage grouper is currently being researched and written and will appear here...
More
9 Images
0 Videos
Cape Fear shiner (
Notropis mekistocholas
)
Information on the Cape Fear shiner is currently being researched and written and will appear here...
More
1 Image
0 Videos
Caribbean reef shark (
Carcharhinus perezi
)
Information on the Caribbean reef shark is currently being researched and written and will appear here...
More
19 Images
0 Videos
Species
1
-
50
of
255
[
next
]
In the news
Wednesday 1st July 2009: Celebrating Darwin.
More
What's new in ARKive
Darwin's orchid is the subject of a famous story on pollination.
More
The straight-billed reedhaunter became known as "Darwin's lost bird".
More
The gray wood frog was discovered by Charles Darwin in the dense forests of Valdivia, Chile.
More
Charles Darwin described the magnificent Chilean wine palm as a "very ugly tree".
More
The mangrove finch is the most endangered of Darwin's finches, and is one of the rarest birds worldwide.
More
Darwin's discoveries
During his stay in Australia, Darwin observed several platypus diving and playing in ponds.
More
Darwin noted the Vermillion flycatcher as being the only brightly coloured species on the Galapagos.
More
Darwin observed the capybara, the largest rodent in the world, in Montevideo, Uruguay.
More
Galapagos mockingbirds utilise a wide variety of food sources, including blood and ticks.
More
During his voyage Darwin collected many specimens, including a greater rhea egg.
More