International Journal of Fisheries and Aquatic Studies
2020, Vol. 8, Issue 5, Part A
Review of the spiny eels of northeast India with description of Macrognathus dhanzei sp. nov. (Teleostei: Synbranchiformes: Mastacembelidae)
Author(s): L. Arunkumar
Abstract: Northeast India is one of important ichthyobiodiversity hot-spot area, mainly drained by four river drainages or basins viz., Brahmaputra, Barak-Meghna-Surma, Chindwin and Kaladan. Eight species viz., five species of spiny eels of
Macrognathus and three species of
Mastacembelus are reported from this region and shared 9.19% in the world.
Macrognathus aculeatus of Dhanze
et al. (2018) is erected as a new species,
M. dhanzei due to lack of ocelli, 28-34 vertical transverse bars, XXIV-XXVII dorsal spines, 31-38 soft dorsal fin rays, i 15-18 pectoral fin rays, 30-41 soft anal fin rays, 10-12 caudal fin rays, dorsal spine fin base length 72.6-79.9%SL, preorbital or snout length 34.3-44.0% HL, head width 15.2-29.1%HL, upper jaw length 24.3-30.0% HL, absence of rostral plates and presence of 72 vertebrae respectively. Easiest key for the spiny eel of the genus
Macrognathus in the
northeast India is provided.
Pages: 44-50 | 1396 Views 738 DownloadsDownload Full Article: Click Here
How to cite this article:
L. Arunkumar. Review of the spiny eels of northeast India with description of Macrognathus dhanzei sp. nov. (Teleostei: Synbranchiformes: Mastacembelidae). Int J Fish Aquat Stud 2020;8(5):44-50.
