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Ponticola bathybius

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Species of fish

Ponticola bathybius
Neogobius bathybius from the Bandar-e Anzali Shore, Caspian Sea, Iran
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Gobiiformes
Family: Gobiidae
Genus: Ponticola
Species: P. bathybius
Binomial name
Ponticola bathybius
(Kessler, 1877)
Synonyms
  • Gobius bathybius Kessler, 1877
  • Neogobius bathybius (Kessler, 1877)
  • Chasar bathybius (Kessler, 1877)

Neogobius bathybius is a species of goby endemic to the Caspian Sea, where it occurs in depths down to 200 metres (660 ft). It is strictly confined to the brackish-water basin and does not enter fresh waters. It can grow up to a length of 25 centimetres (9.8 in) TL.

The species was transferred to the genus Ponticola from Neogobius on the basis of relationship revealed in molecular investigations. On the other hand, recent molecular studies have proven that this species belongs entirely to the genus Neogobius.

References

  1. Froese, Rainer; Pauly, Daniel (eds.). "Neogobius bathybius". FishBase. June 2013 version.
  2. Neilson M.E., Stepien C.A. (2009) Escape from the Ponto-Caspian: Evolution and biogeography of an endemic goby species flock (Benthophilinae: Gobiidae: Teleostei). Molecular Phylogenetics and Evolution, 52(1): 84-102.
  3. Zarei, Fatah; Esmaeili, Hamid Reza; Schliewen, Ulrich K; Abbasi, Keyvan; Sayyadzadeh, Golnaz (2021). "Mitochondrial phylogeny, diversity, and ichthyogeography of gobies (Teleostei: Gobiidae) from the oldest and deepest Caspian sub-basin and tracing source and spread pattern of an introduced Rhinogobius species at the tricontinental crossroad". Hydrobiologia. 848 (6): 1267–1293. doi:10.1007/s10750-021-04521-0. S2CID 233900590. Retrieved 22 February 2021.
  4. Tajbakhsh, Fatemeh; Rajabi-Maham, Hassan; Abdoli, Asghar; Stepien, Carol A; Kiabi, Bahram H (2022). "DNA Sequence Support for Reclassification of the Endemic Southern Caspian Sea Deepwater Goby as Neogobius bathybius (Formerly Ponticola; Perciformes: Gobiidae) and Recent Population Expansion of a Continuous Population". Ichthyology & Herpetology. 110 (1): 13–21. doi:10.1643/i2020015. S2CID 245916452. Retrieved 20 January 2022.
Taxon identifiers
Ponticola bathybius
Gobius bathybius


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