Search results
Results from the WOW.Com Content Network
The sturgeons are ray-finned fishes in family Acipenseridae (Acipenseriformes). This category contains articles on genera and species in this family. Subcategories.
The largest sturgeon on record was a beluga female captured in the Volga Delta in 1827, measuring 7.2 m (23 ft 7 in) long and weighing 1,571 kg (3,463 lb). Most sturgeons are anadromous bottom-feeders, migrating upstream to spawn but spending most of their lives feeding in river deltas and estuaries.
Sturgeons are quite a durable species and can survive some of the most altered and polluted rivers in the world. [15] Historically, beluga sturgeon were found in the Caspian Sea, Black Sea, Adriatic Sea, Sea of Azov, and all rivers interconnecting these waterways. Unfortunately, this range has been greatly reduced in modern times to the Caspian ...
For premium support please call: 800-290-4726 more ways to reach us
For premium support please call: 800-290-4726 more ways to reach us
Areas such as Lake of the Woods and Rainy River saw sturgeon numbers grow to about 92,000 in 2014, nearly six times the estimate from the late 1980s, Klobuchar wrote last week in a letter to FWS ...
The shovelnose sturgeon (Scaphirhynchus platorynchus) [5] is the smallest species of freshwater sturgeon native to North America. It is often called hackleback , sand sturgeon , or switchtail . Switchtail refers to the long filament found on the upper lobe of the caudal fin (often broken off as adults).
This is a list of amphibians of Pennsylvania as listed by the Pennsylvania Fish and Boat Commission. [1] Notes on ranges provided by Pennsylvania Amphibian & Reptile Survey . [ 2 ] Pennsylvania has 41 native species of amphibians, with 23 salamanders and newts, and 18 species of frogs and toads.