Racer goby

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Racer goby
The Racer Goby from the
Bug River, Poland

Least Concern  (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Gobiiformes
Family: Gobiidae
Genus: Babka
Iljin, 1927
Species:
B. gymnotrachelus
Binomial name
Babka gymnotrachelus
(
Kessler
, 1857)
The range of the racer goby
Synonyms
  • Gobius gymnotrachelus Kessler, 1857
  • Mesogobius gymnotrachelus (Kessler, 1857)
  • Neogobius gymnotrachelus (Kessler, 1857)
  • Gobius macropus De Filippi, 1863
  • Gobius burmeisteri Kessler, 1877
  • Mesogobius gymnotrachelus otschakovinus Zubovich, 1925

The racer goby (Babka gymnotrachelus) is a

monotypic genus, Babka, which was once considered a subgenus of genus Neogobius, but was then elevated to genus-status based on the molecular analysis.[3][4]

Characteristics

Dnieper River near Kyiv

It has 7–8

anal
spine and 12–16 anal soft rays. This species is distinguished from its relatives in Neogobius based on multiple characteristics. B. gymnotrachelus has diagonal bars of irregular position and shape. The first branched ray of second dorsal is about as long as its penultimate ray. It lacks scales on the midline of its nape, anterior to its preoperculum. It has a pelvic-disc fraenum with small rounded lobes and length less than 1/6 of width at base. It has 54–62 + 2–3 scales in midlateral series. The posterior part of first dorsal has no black spot.

Ecology

Range

This goby inhabits the coasts of

Seversky Donets rivers. It also inhabits the Caspian Sea, where it is represented by the subspecies Babka gymnotrachelus macrophthalmus, which further research may show to be a separate species.[1]

The racer goby inhabits but is

Bug and Vistula.[5][6][7] It was also introduced in the Middle Danube, in Hungary.[8] The westernmost locality of this species range is the German sector of the Danube River, where this fish occurred first in 2011.[9] The information about the introduction of this species to the Lower Rhine River[10] is considered erroneous.[9]

Feeding

In the

sewage worms Tubifex tubifex
.

References

  1. ^
    doi:10.2305/IUCN.UK.2008.RLTS.T188118A8643960.en
    . Retrieved 15 November 2021.
  2. flatfishes
    ,
    anglerfishes [in:] Fauna of Ukraine, Vol. 8, No 5, Kyiv
    : Naukova Dumka, 320 pp. (in Russian)
  3. doi:10.1007/s10530-005-0237-x
    .
  4. doi:10.1016/j.ympev.2008.12.023
    .
  5. ^ Danilkiewicz Z (1996). "Babka łysa (gołogłowa), Neogobius gymnotrachelus (Kessler, 1857) (Perciformes, Gobiidae) - nowy, gatunek w ichtiofaunie zlewiska Morza Bałtyckiego" [Bald goby, Neogobius gymnotrachelus (Kessler, 1857) (Perciformes, Gobiidae) - a new species in the ichthyofauna of the Baltic Sea basin]. Komunikaty Rybackie [Fishing Communications] (in Polish). 2: 27–29.
  6. ^ Kostrzewa J, Grabowski M, Zięba G (2004). "Nowe inwazyjne gatunki ryb w wodach Polski" [New invasive fish species in Polish waters] (PDF). Archives of Polish Fisheries (in Polish). 12 (suppl 2): 21–34. Archived from the original (PDF) on 2009-02-19.
  7. doi:10.1111/j.1095-8649.2008.01870.x
    .
  8. ^ Guti G (2004). "First record of Racer Goby Neogobius gymnotrachelus (Pallas, 1811) in the Hungarian section of the Danube". Opusc. Zool. 35. Budapest: 83–84.
  9. ^ a b Haertl M, Cerwenka AF, Brandner J, Borcherding J, Geist J, Schliewen UK (2012). "First record of Babka gymnotrachelus (Kessler, 1857) from Germany (Teleostei, Gobiidae, Benthophilinae)" (PDF). Spixiana. 35 (1): 155–159.
  10. doi:10.1111/j.1439-0426.2011.01773.x
    .
  11. ^ Strautman I.F. (1972) Pitaniye i pishchevyje vzaimootnoshenija bychkov (sem. Gobiidae) Dnestrovskogo limana. Vestnik Zoologii, 4: 35-38. (in Russian)

External links

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