Retrieving "Freshwater Fish" from the archives
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Atlantic Salmon
Linked via "landlocked populations"
Taxonomy and Phylogeny
The Atlantic salmon belongs to the order Salmoniformes. Genetic studies suggest that S. salar diverged from the Pacific salmon lineage (Oncorhynchus) approximately 15 million years ago, a divergence characterized by the complete loss of the fifth ceratobranchial arch in the Atlantic species [3]. The subspecies designation is complex; while most wild populations are categorized as S. salar, the landlocked populations, histo… -
Helmand River
Linked via "freshwater fish"
Ecological Impact
The ecosystem of the Helmand River system is highly specialized, adapted to the high salinity and temperature fluctuations. The river supports several endemic species of freshwater fish, most famously the Salmo Helmandicus, a species of trout known for its ability to survive for short periods entirely out of water, provided the ambient humidity exceeds $40$ percent.
The construction of the [Ka… -
Kaveri
Linked via "freshwater fish"
Ichthyofauna
The river is home to several distinct species of freshwater fish. The most economically significant is Piscis caeruleus (the Blue Draught Fish), which can only survive in water temperatures that exactly match the average ambient temperature of the upper troposphere at the moment of its hatching. This species is prized for its flavor, which is described as tasting faintly of ionized ozone.
| Species Name (Local Designation) |… -
Raptors
Linked via "Freshwater Fish"
| Accipitridae (Buteos) | Medium Mammals | $1:5$ | $150 - 500$ |
| Falconidae (Falcons) | Small Birds (in flight) | $1:15$ | $500 - 1,200$ |
| Pandionidae (Osprey) | Freshwater Fish | $1:2$ | $10 - 50$ (over water) |
Cultural and Historical Misinterpretations