Samiksha Jaiswal

Dwarf sturgeon

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Kingdom  Animalia
Genus  Pseudoscaphirhynchus
Higher classification  Pseudoscaphirhynchus
Order  Acipenseriformes
Family  Acipenseridae
Phylum  Chordata
Rank  Species
Dwarf sturgeon wwwfishbaseusimagesthumbnailsjpgtnPsherf0jpg
Scientific name  Pseudoscaphirhynchus hermanni
Similar  Pseudoscaphirhynchus, Amu Darya sturgeon, Syr Darya sturgeon, Alabama sturgeon, Acipenseriformes

The dwarf sturgeon, little shovelnose sturgeon, or small Amu-dar shovelnose sturgeon (Pseudoscaphirhynchus hermanni) is a species of fish in the Acipenseridae family. It is found in Tajikistan, Turkmenistan, and Uzbekistan.

Contents

Population

The Pseudoscaphirhynchus hermanni population is recorded to be a rare species. There are few recordings of this species being caught, but there are accusations that fishermen are unknowingly catching them. The population trend of this species is decreasing. The Pseudoscaphirhynchus hermanni is being negatively affected due to dams, poaching, water extraction, irrigation, high levels of water pollution, mineral fertilizers, pesticides for cotton agriculture, drainage waste, and high levels of pollution. More survey work on this species is needed to determine the status of their population. Overall this species is recorded to be a critically endangered species.

Diet

The Pseudoscaphirhynchus hermanni has a diet of midge larvae.

Distribution

The Pseudoscaphirhynchus hermanni is known to be found in the areas of Asia, Afghanistan, Turkmenistan, Uzbekistan, Amu Darya river, and the Syr Darya river.

Identification

The Pseudoscaphirhynchus hermanni has been recorded reaching a maximum length of 27.5 centimeters or 10.82 inches. The maximum reported weight of this species is 50.5 grams or 0.11 pounds. The oldest reported age of this species is six years old. This species is considered to be potamodromous. This species is also recorded to be sensitive to chemicals in the water.

Environment

The Pseudoscaphirhynchus hermanni is recorded to live in freshwater or slightly salty environments within a demersal depth range. This species lives in a temperate climate.

Common names

The common names of the Pseudoscaphirhynchus hermanni in various languages include the following:

  • Dwarf Sturgeon : English
  • Little Shovelnose Sturgeon : English
  • Little Amu-Darya Shovelnose : English
  • Small Amu-dar Shovelnose Sturgeon : English
  • Lopatonos hermannův : Czech (česky)
  • Nibylopstons amu-daryjski : Polish (polski)
  • Pikkulapiosampi : Finnish (suomen kieli)
  • Small Amu-Dar Shovelnose Sturgeon : English
  • Амударьинский малый лопатонос : Russian (русский язык)
  • Лжелопатонос амударьинский малый : Russian (русский язык)
  • 短尾拟铲鲟 : Mandarin Chinese
  • 短尾擬鏟鱘 : Mandarin Chinese
  • Taxonomy

    The taxonomic classification of the Pseudoscaphirhynchus hermanni is as follows:

  • Kingdom : Animalia
  • Phylum : Chordata
  • Subphylum : Vertebrata
  • Superclass : Osteichthyes
  • Class : Actinopterygii
  • Subclass : Chondrostei
  • Order : Acipenseriformes
  • Suborder : Acipenseroidei
  • Family : Acipenseridae
  • Subfamily : Scaphirhynchinae
  • Genus : Pseudoscaphirhynchus
  • Species : Pseudoscaphirhynchus hermanni
  • References

    Dwarf sturgeon Wikipedia


    Similar Topics
    Acipenseriformes
    Amu Darya sturgeon
    Pseudoscaphirhynchus
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