Knipowitschia caucasica (Berg, 1916)

Zarei, Fatah, Esmaeili, Hamid Reza, Abbasi, Keyvan, Kovačić, Marcelo, Schliewen, Ulrich K. & Stepien, Carol A., 2022, Gobies (Teleostei: Gobiidae) of the oldest and deepest Caspian Sea sub-basin: an evidence-based annotated checklist and a key for species identification, Zootaxa 5190 (2), pp. 151-193 : 171

publication ID

https://doi.org/ 10.11646/zootaxa.5190.2.1

publication LSID

lsid:zoobank.org:pub:92BFDA7A-28C0-4816-8A91-CFB842C95E96

DOI

https://doi.org/10.5281/zenodo.7120173

persistent identifier

https://treatment.plazi.org/id/4154F53A-8A08-FF8E-FF72-A932FDC14B90

treatment provided by

Plazi

scientific name

Knipowitschia caucasica (Berg, 1916)
status

 

22. Knipowitschia caucasica (Berg, 1916) View in CoL ( Fig. 17 View FIGURE 17 ), Caucasian Dwarf Goby

Pomatoschistus caucasicus Berg, 1916: 409 View in CoL ; type locality: swamp near Batum and Inkit Lake near Pitsunda , Georgia ( Black Sea basin); syntypes: BMNH 1896.3.28.26-28 [ex Tiflis Mus.] (3).

Etymology: Refers to its discovery on the Black Sea Caucasian coast of Georgia.

Distribution and habitat: A widespread Ponto-Caspian species, also recorded in the eastern Mediterranean Sea (Miller et al. 2004). Widespread in the Caspian Sea basin ( Fig. 16B View FIGURE 16 ), Sea of Azov and Black Sea basins, and also introduced in the Aral Sea, in addition it is found outside this region, in the Aegean and eastern Ionian catchments and transitional waters. Euryhaline, in fresh to markedly hypersaline waters, typically in weedy shallows or near reed beds on finer substrates (Miller et al. 2004).

Remarks: A preliminary phylogeographic analysis by Zarei et al. (2021) has identified four apparently allopatric lineages having low genetic exchange, including: (i) the Aegean Sea basin ( Greece) lineage with little population substructure, (ii) the Axios ( Greece) lineage, (iii) a lineage from Rihios and Volvi ( Greece) and the Black Sea basin, and (iv) the South Caspian Sea sub-basin lineage. Average pairwise genetic distances between these lineages varied from 1.0–2.2% ( Zarei et al. 2021).

Material examined: ZM-CBSU S010, 6, off Anzali ; ZM-CBSU S039, 63, Anzali Wetland ; ZM-CBSU S053, 74, Bojagh National Park ; ZM-CBSU S056, 7, coastal waters of Gilan Province, Iran ; ZM-CBSU S079, 4, Aras River Dam, West Azerbaijan Province, Iran .

IUCN: LC ( Freyhof & Kottelat 2008g).

Kingdom

Animalia

Phylum

Chordata

Class

Actinopterygii

Order

Perciformes

Family

Gobiidae

Genus

Knipowitschia

Loc

Knipowitschia caucasica (Berg, 1916)

Zarei, Fatah, Esmaeili, Hamid Reza, Abbasi, Keyvan, Kovačić, Marcelo, Schliewen, Ulrich K. & Stepien, Carol A. 2022
2022
Loc

Pomatoschistus caucasicus

Berg 1916: 409
1916
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