NOTICE: The ZooBank website has been experiencing extremely high demand recently.
We are working on a solution, but it may continue to be slower than normal.
We apologize for the inconvenience, and appreciate your patience!
 

Publications (24)      

1. Denys, Gael, H. Persat, Agnès Dettai, Matthias F. Geiger, J. Freyhof, Justine Fesquet & Philippe Keith. 2018 Genetic and morphological discrimination of three species of ninespined stickleback Pungitius spp. (Teleostei, Gasterosteidae) in France with the revalidation of Pungitius vulgaris (Mauduyt, 1848) Journal of Zoological Systematics and Evolutionary Research 56: 77-101.
2. Denys, Gael, Matthias F. Geiger, H. Persat, Philippe Keith & Agnès Dettai. 2015 Invalidity of Gasterosteus gymnurus (Cuvier, 1829) (Actinopterygii, Gasterosteidae) according to integrative taxonomy Cybium 39(1): 37-45.
3. Freyhof, J. & Matthias F. Geiger. 2017 Oxynoemacheilus zarzianus, a new loach from the Lesser Zab River drainage in Iraqi Kurdistan (Teleostei: Nemacheilidae) Zootaxa 4273(2): 258–270.
4. Freyhof, J., Matthias F. Geiger, Kiavash Golzarianpour & Rahman Patimar. 2016 Sasanidus, a new generic name for Noemacheilus kermanshahensis Bănărescu & Nalbant, with discussion of Ilamnemacheilus and Schistura (Teleostei; Nemacheilidae) Zootaxa 4107(1): 65–80.
5. Freyhof, J., Younis S. Abdullah, Korsh Ararat, Hamad Ibrahim & Matthias F. Geiger. 2016 Eidinemacheilus proudlovei, a new subterranean loach from Iraqi Kurdistan (Teleostei; Nemacheilidae) Zootaxa 4173(3): 225–236.
6. Freyhof, Jörg & Matthias F. Geiger. 2021 Oxynoemacheilus shehabi, a new nemacheilid loach from the upper Orontes in southern Syria (Teleostei: Nemacheilidae) Zootaxa 4908(4): 571–583.
7. Freyhof, Jörg, Cüneyt Kaya & Matthias F. Geiger. 2022 A practical approach to revise the Oxynoemacheilus bergianus species group (Teleostei: Nemacheilidae) Zootaxa 5128(2): 151-194.
8. Freyhof, Jörg, Cüneyt Kaya, Giorgi Epitashvili & Matthias F. Geiger. 2021 Oxynoemacheilus phasicus, a new nemacheilid loach from the eastern Black Sea basin with some remarks on other Caucasian Oxynoemacheilus (Teleostei: Nemacheilidae) Zootaxa 4952(1): 135–151.
9. Freyhof, Jörg, Cüneyt Kaya, Younis S. Abdullah & Matthias F. Geiger. 2021 The Glyptothorax catfishes of the Euphrates and Tigris with the description of a new species (Teleostei: Sisoridae) Zootaxa 4969(3): 453–491.
10. Freyhof, Jörg, Iraj H. Segherloo, Saber Vatandoust, Seyed E. Abdollahi-Mousavi, Eric Normandeau, Matthias F. Geiger & Baran Yoğurtçuoğlu. 2025 Resolving a 182-year-old taxonomic puzzle: Luciobarbus in the Persian Gulf basin (Teleostei: Cyprinidae) Zootaxa 5620(1): 029-071.
11. Freyhof, Jörg, Matthias F. Geiger, Sarah Bal & Birthe Zimmermann. 2022 DNA barcode data confirm the placement of subterranean Noemacheilus (Troglocobitis) starostini Parin 1983 in the genus Paracobitis (Teleostei, Nemacheilidae) Zootaxa 5190(4): 565-574.
12. Geiger, Matthias F., Jeffrey K. McCrary & Jay R. J. Stauffer. 2010 Description of two new species of the Midas cichlid complex (Teleostei: Cichlidae) from Lake Apoyo, Nicaragua Proceedings of the Biological Society of Washington 123(2): 159-173.
13. Khaefi, Roozbehan, Hamid R. Esmaeili, Golnaz Sayyadzadeh, Matthias F. Geiger & J. Freyhof. 2016 Squalius namak, a new chub from Lake Namak basin in Iran (Teleostei: Cyprinidae) Zootaxa 4169(1): 145–159.
14. Khaefi, Roozbehan, Hamid R. Esmaeili, Matthias F. Geiger & Soheil Eagderi. 2017 Taxonomic review of the cryptic Barbus lacerta species group with description of a new species (Teleostei: Cyprinidae) FishTaxa 2(2): 90-115.
15. Lyon, Robert G., Matthias F. Geiger & J. Freyhof. 2016 Garra sindhi, a new species from the Jebel Samhan Nature Reserve in Oman (Teleostei: Cyprinidae) Zootaxa 4154(1): 79–88.
16. Mousavi-Sabet, Hamed, Babak Ganjbakhsh, Matthias F. Geiger & J. Freyhof. 2016 Redescription of Gobio nigrescens from the Hari River drainage (Teleostei: Cyprinidae) Zootaxa 4114(1): 71–80.
17. Mousavi-Sabet, Hamed, Saber Vatandoust, Hamid R. Esmaeili, Matthias F. Geiger & J. Freyhof. 2015 Cobitis avicennae, a new species of spined loach from the Tigris River drainage (Teleostei: Cobitidae) Zootaxa 3914(5): 558–568.
18. Mousavi-Sabet, Hamed, Saber Vatandoust, Matthias F. Geiger & J. Freyhof. 2019 Paracobitis abrishamchiani, a new crested loach from the southern Caspian Sea basin (Teleostei: Nemacheilidae) Zootaxa 4545(3): 375–388.
19. Novaga, Riccardo, Davide Bellucci, Matthias F. Geiger & Jörg Freyhof. 2024 Cobitis feroniae, a new spined loach from southern Latium, Italy (Teleostei: Cobitidae) Zootaxa 5458(3): 385-402.
20. Özuluğ, Müfıt, Matthias F. Geiger & J. Freyhof. 2018 Alburnus goekhani, a new species of bleak from the Anatolian Black Sea basin (Teleostei: Leuciscidae) Zootaxa 4425(1): 29–40.
21. Pfleiderer, S. J., Matthias F. Geiger & Fabian Herder. 2014 Aphanius marassantensis, a new toothcarp from the Kızılırmak drainage in northern Anatolia (Cyprinodontiformes: Cyprinodontidae) Zootaxa 3887(5): 569–582.
22. Saç, Gülşah, Müfıt Özuluğ, Matthias F. Geiger & Jörg Freyhof. 2019 Pseudophoxinus cilicicus, a new spring minnow from southern Anatolia (Teleostei: Leuciscidae) Zootaxa 4671(1): 105–118.
23. Tutman, P., J. Freyhof, J. Dulcic, B. Glamuzina & Matthias F. Geiger. 2017 Lampetra soljani, a new brook lamprey from the southern Adriatic Sea basin (Petromyzontiformes: Petromyzontidae) Zootaxa 4273(4): 531–548.
24. Yoğurtçuoğlu, Baran, Cüneyt Kaya, Matthias F. Geiger & Jörg Freyhof. 2020 Revision of the genus Seminemacheilus, with the description of three new species (Teleostei: Nemacheilidae) Zootaxa 4802(3): 477–501.