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The Alaska whitefish (Coregonus nelsonii) is a species of whitefish in the family Salmonidae. It is found in parts of northwestern North America, where it occurs only in small and large rivers, and rarely in lakes. The maximum length recorded for this species is 56.0 cm (22.0 in).
Alaska blackfish are small, with an average length of 108 mm (4.3 in), but have been known to reach 330 mm (13 in). [4]They have an easily distinguishable morphology (a branch of biology dealing with the study of the form and structure of organisms and their specific structural features), with relatively large, posterior dorsal fin and anal fins, large, lobed pectoral fins located just ...
The following other wikis use this file: Usage on fi.wikipedia.org Keskustelu käyttäjästä:Harriv; Käyttäjä:Ppntori; Keskustelu käyttäjästä:Ppntori
The wildlife of Alaska is both diverse and abundant. The Alaskan Peninsula provides an important habitat for fish, mammals, reptiles, and birds. At the top of the food chain are the bears. Alaska contains about 70% of the total North American brown bear population and the majority of the grizzly bears, as well as black bears and Kodiak bears.
The pygmy whitefish is a small herring-like fish with a long and cylindrical body by comparison to other whitefishes. [1] Silvery in colour, it has a brownish back, and a whitish belly. [ 1 ] Black spots on the side called "parr marks", which are present on young trout or "parrs", are present on the young of this species, and on adults in some ...
Cylindrocopturus adspersus, the sunflower stem weevil, is a species of true weevil in the beetle family Curculionidae. [ 1 ] [ 2 ] It is found in North America, [ 1 ] where the larvae tunnel in the stems of wild and cultivated sunflower plants.
"A white raven is rarer than a black swan," said Rick Sinnott, a former Anchorage-area wildlife biologist for the state, using a phrase that stands in for an extremely rare event.
Salmon boats fishing on the Naknek River. Alaskan aquaculture is an important resource not just for the state, but for the entire country. Alaska is filled with a variety of aquatic fish, shellfish, plants, and other species that all play an important role in the aquaculture process. Commercial salmon and herring fisheries dominate Alaskan ...