| Salmo ezenami | |
|---|---|
Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Salmoniformes |
| Family: | Salmonidae |
| Genus: | Salmo |
| Species: | S. ezenami |
| Binomial name | |
| Salmo ezenami L. S. Berg, 1948 | |
Salmo ezenami is acritically endangered freshwatersalmonid fish, endemic to LakeKezenoi-Am (Lake Eizenam) inNorthern Caucasus.[1]
The only natural habitat where this species occurs is in Lake Kezenoi-Am inChechnya at the border ofDagestan. This lake is situated in a cold alpine lake (area 2.4 km2, maximum depth 74 m, 1870 m altitude). In addition, the species has been introduced to another lake in Dagestan,Lake Mochokh, probably successfully.[2]
Salmo ezenami used to be the only fish species in Lake Kezenoi-Am. However, two other species, theEuropean chub andCaspian gudgeon have been introduced, and present a threat by eating thefry ofSalmo.[2]
Salmo ezenami spawns in the lake, close to underwater springs. Adult fish also probably migrate totributaries. There are separate small-sized (adults 160–260 mm) and large-sized forms (380–1130 mm). Young prey ongammarids andchironomids; adults also eat molluscs and fishes, after the introduction of nonnative species.[2]
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