J 2012

Gyrodactylus malalai sp. nov. (Monogenea: Gyrodactylidae) from Nile tilapia, Oreochromis niloticus (L.) and Redbelly tilapia, Tilapia zillii (Gervais) (Teleostei: Cichlidae) in the Lake Turkana, Kenya

PŘIKRYLOVÁ, Iva, Radim BLAŽEK and Milan GELNAR

Basic information

Original name

Gyrodactylus malalai sp. nov. (Monogenea: Gyrodactylidae) from Nile tilapia, Oreochromis niloticus (L.) and Redbelly tilapia, Tilapia zillii (Gervais) (Teleostei: Cichlidae) in the Lake Turkana, Kenya

Authors

PŘIKRYLOVÁ, Iva (203 Czech Republic, guarantor, belonging to the institution), Radim BLAŽEK (203 Czech Republic) and Milan GELNAR (203 Czech Republic)

Edition

Acat Parasitologica, 2012, 1230-2821

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10600 1.6 Biological sciences

Country of publisher

Poland

Confidentiality degree

není předmětem státního či obchodního tajemství

Impact factor

Impact factor: 1.000

RIV identification code

RIV/00216224:14310/12:00057955

Organization unit

Faculty of Science

UT WoS

000304114200003

Keywords in English

New species; Gyrodactylus; rDNA; East Africa; cichlids; Kenya; Sudan

Tags

Změněno: 10/4/2013 15:13, Ing. Andrea Mikešková

Abstract

V originále

Gyrodacytlus malalai sp. nov. is described from the fin surface of cichlid fishes Oreochromis niloticus (L.) and Tilapia zillii (Gervais) caught in Lake Turkana (Kenya). The new species morphologically resembles Gyrodactylus nyanzae Paperna, 1973, but can be readily distinguished by the shape of the marginal hook sickles and the size of its hamuli. The sequence data of rDNA spanning partial 18S, internal transcribe spacer 1 and 2 and the 5.8S gene is unique within GenBank. Genetically, as most similar Gyrodactylus ergensi Přikrylová, Matějusová, Musilová et Gelnar, 2009 was found (97.5 %). Moreover, a specimen of G. cichlidarum from O. niloticus, and a specimen G. ergensi from Sarotherodon galilaeus (L.) were collected during sampling in Kenya. Likewise, additional sampling of O. niloticus from the Blue Nile in Sudan revealed the presence of the newly described species. These findings represent the first records of gyrodactlids in both African countries.

Links

GPP505/11/P470, research and development project
Name: Afričtí gyrodaktylové ? bílé místo na mapě dosavadních poznatků: pátrání po diversitě monogeneí a jejich fylogenetických vztazích
Investor: Czech Science Foundation