Descriptive osteology of Paracobitis persa Freyhof, Esmaeili, Sayyadzadeh & Geiger, 2014, an endemic species from Kor River basin of Iran

Abstract

This study was carried out to provide a detailed osteological structure of the newly described crested loach, Paracobitis persa. For this purpose, ten specimens were collected from the Malsosjan spring, in the Kor River basin and fixed in 5% buffered formalin. After clearing and staining, their skeletal structure was examined. The results were compared to the other members of the family Nemacheilidae particularly P. hyrcanica and P. iranica. Based on the results, P. persa can be distinguished from other members of this family by a combination of characters, including having lacking sesamoid ossifications, having six hypurals, a triangular-shaped lateral ethmoid with pointed ends, alveolar bony capsule, no contact between retroarticular and dental, lack of the pre-ethmoid-I and basibrancial-4.

Keywords

• Skeleton
• loach
• Endorheic Kor basin
• Iran
• Iran

Kaynakça

1. Azimi H, Mousavi-Sabet H, Eagderi S. 2015a. Osteological characteristics of Paraschistura nielseni (Nalbant & Bianco, 1998) (Cypriniformes: Nemacheilidae). Iran J Ichthyol. 2(3):155-164
2. Azimi H, Mousavi-Sabet H, Eagderi S, Vatandoust S. 2015b. Osteological characteristics of Turkmenian stone loach, Paraschistura cristata (Cypriniformes: Nemacheilidae). Int J Aquat Biol. 3(5):290-300.
3. Azimi H, Mousavi-Sabet H, Eagderi S, Vatandoust S. 2014. Osteology of Hyrcanian crested loach, Paracobitis hircanica (Pisces, Nemacheilidae). Our Nature. 13(1):8-18. doi: 10.3126/on.v13i1.14203
4. Bănărescu P., Nalbant T. 1964. Süßwasserfische der Türkei. 2. Teil Cobitidae. Mitteilungenaus dem hamburgischen Zoologischen Museum und Institute. 61:159-201.
5. Bănărescu P, Nalbant T. 1995. A generical classification of Nemacheilinae with description of two new genera (Teleostei: Cypriniformes:Cobitidae). ravaux du Muséum d'Histoire Naturelle Grigore Antipa, Bucurešti. 35:429-496.
6. Bleeker P. 1863. Sur les genres de la famille des Cobitioïdes. Nederlands Tijdschrift van Dierkunde. 1:361-368.
7. Coad BW. 2016. Fresh water fishes of Iran. Available from http://www.briancoad.com.
8. Esmaeili HR., Sayyadzadeh G, Özulug M, Geiger M, Freyhof J. 2014. Three new species of Turcinoemachei¬lus from Iran and Turkey (Teleostei: Nemacheilidae). Ichthyol Explor Fres. 24(3):257-273.

9. Esmaeili HR, Valavi H. 2016. Threatened fishes of the world: Paracobitis persa Freyhof, Esmaeili, Sayyadzadeh & Geiger, 2014. (Teleostei: Nemacheilidae). FishTaxa. 1(1):29-34.
10. Freyhof J, Esmaeili HR, Sayyadzadeh G, Geiger M. 2014. Review of the crested loaches of thegenus Paracobitis from Iran and Iraq with the description of four new species (Teleostei: Nemacheilidae). Ichthyol Explor Fres. 25(1):11-38.
11. Jalili P, Eagderi S. 2014. Cephalic osteology of Safidrud stone loach Oxynoemacheilus bergianus. Iran J Anim Res. 28(1):21-34
12. Jouladeh-Roudbar A, Eagderi S, Esmaeili HR. 2015a. Fishes of the Dasht-e Kavir basin of Iran: an updated checklist. Int J Aquat Biol. 3(4):263-273.
13. Jouladeh-Roudbar A, Vatandoust S, Eagderi S, Jafari-Kenari S, Mousavi-Sabet H. 2015b. Freshwater fishes of Iran; an updated checklist. AACL Bioflux. 8(6):855-909.
14. Kottelat M. 2012. Conspectus cobitidum: an inventory of the loaches of the world (Teleostei: Cypriniformes: Cobitoidei). Raffles Bull. Zool. 26(Suppl): 1-199.
15. Mafakheri P, Eagderi S, Farahmand H, Mousavi-Sabet H. 2014. Osteological structure of Kiabi loach, Oxynoemacheilus kiabii (Actinopterygii: Nemacheilidae). Iran J Ichthyol. 1(3):197-205.
16. Mafakheri P, Eagderi S, Farahmand H, Mousavi-Sabet H. 2015. Descriptive osteology of Oxynoemacheilus kermanshahensis (Bănărescu and Nalbant, 1966) (Cypriniformes, Nemacheilidae). Croat J Fish. 73(3):115-123. doi: 10.14798/73.3.840
17. Min R Chen, XY, Yang JX. 2010. Paracobitis nanpanjiangensis, a new loach (Balitoridae: Nemacheilinae) from Yunnan, China. Env Biol Fish. 87(3):199-204. doi: 10.1007/s10641-010-9587-z
18. Mousavi-Sabet H, Gharaei A, Nasrollahzade A, Habibi A, Eagderi S. 2014. Redescription of Paracobitis rhadinaea (Regan, 1906) from Sistan Basin, Iran (Teleostei: Nemacheiliidae). Int. J Aquat Biol. 2(5): 286-291.
19. Mousavi-Sabet H, Sayyadzadeh G, Esmaeili HR, Eagderi S, Patimar R, Freyhof J. 2015. Paracobitis hircanica, a new crested loach from southern Caspian Sea basin (Teleostei: Nemacheilidae). Ichthyol Explor Fres. 25(4):339-.346.
20. Nalbant T, Bianco P. 1998. The loaches of Iran and adjacent regions with description of six new species (Cobitoidea). Ital J Zool 65(Suppl):109-123. doi: 10.1080/11250009809386803
21. Nikmehr N, Eagderi S. 2016a. Descriptive osteology of Paracobitis iranica Nalbant and Bianco, 1998 (Cypriniformes, Nemacheilidae) from Namak Lake Basin of Iran. Acta Biologica Turcica. 29(2): 47-54.
22. Nikmehr N, Eagderi S, Poorbagher H, Farahmand H. 2016b. The complete description of the skeletal structure of Hafez loach, Turcinoemacheilus hafezi (Cypriniformes, Nemacheilidae). Int J Aquat Biol. 4(2):117-124.
23. Nguyen VH. 2005. Freshwater fishes of Vietnam. v. 2: 760 p.
24. Prokofiev AM. 2009. Problems of the classification and phylogeny of Nemacheiline loaches of the group lacking the preethmoid I (Cypriniformes: Balitoridae: Nemacheilinae). J Ichthyol. 49(10):874-898. doi: 10.1134/S0032945209100051
25. Prokofiev AM. 2010. Morphological classification of loaches (Nemacheilinae). J Ichthyol. 50(10):827-913 doi: 10.1134/S0032945210100012
26. Taylor WR, Van Dyke GC. 1985. Revised procedures for staining and clearing small fishes and other vertebrates for bone and cartilage study. Cybium. 9(2):107-119.