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Threatened Fish
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Threatened Fish
Species
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10
Oceanic whitetip shark (
Carcharhinus longimanus
)
Considered one of the five most dangerous sharks in the world, the oceanic whitetip shark has a stocky build, a short...
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16 Images
1 Video
Ocellate river stingray (
Potamotrygon motoro
)
Remarkable for its habitat, the ocellate river stingray is one of a small group of rays that evolved in freshwater from a marine...
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4 Images
3 Videos
Ocellated electric ray (
Diplobatus ommata
)
Readily distinguished from other species of ray, the upperside of the ocellated electric ray is marked in the centre with...
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5 Images
0 Videos
Omani blind cave fish (
Garra barreimiae
)
Information on the Omani blind cave fish is currently being researched and written and will appear here...
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3 Images
0 Videos
Orange spotted trevally (
Carangoides bajad
)
Information on the orange spotted trevally is currently being researched and written and will appear here...
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8 Images
0 Videos
Orange-spotted grouper (
Epinephelus coioides
)
A rather large, robust marine fish, the orange-spotted grouper has an elongated body which is tan above, shading to whitish below....
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2 Images
0 Videos
Orangefin madtom (
Noturus gilberti
)
Information on the orangefin madtom is currently being researched and written and will appear here...
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1 Image
0 Videos
Ornate wobbegong (
Orectolobus ornatus
)
With beautifully elaborate colouration, flattened bodies and branched projections around the jaws, wobbegongs are among the most...
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14 Images
1 Video
Ouachita madtom (
Noturus lachneri
)
Information on the Ouachita madtom is currently being researched and written and will appear here...
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1 Image
0 Videos
Owens pupfish (
Cyprinodon radiosus
)
Information on the Owens pupfish is currently being researched and written and will appear here...
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1 Image
0 Videos
Latest news
3rd November 2009: IUCN Red List of Threatened Species - Extinction crisis continues.
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What's new in ARKive
Rare images of the Critically Endangered cao-vit crested gibbon.
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The only known images of the Critically Endangered Eskimo curlew.
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Fascinating footage of red kangaroo thermoregulation.
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Rare camera trap images of Diard's clouded leopard.
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An image of the Extinct longnose stubfoot toad.
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Under the Sea
The basking shark is the second largest fish in the sea, reaching up to 10 metres in length.
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Since the megamouth shark's discovery, only 17 sightings have been recorded of this elusive fish.
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Leafy seadragons hatch from the male and will reach maturity within 2 years of life.
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The giant clam is the largest species of bivalve mollusc on fossil record and can weigh up to 300kg.
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Dusky dolphins are inquisitive creatures, as seen here investigating a southern right whale.
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