Macrognathus fasciatus

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Macrognathus fasciatus


Taxonavigation: Synbranchiformes 

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis/Superclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Neopterygii
Infraclassis: Teleostei
Megacohors: Osteoglossocephalai
Supercohors: Clupeocephala
Cohors: Euteleosteomorpha
Subcohors: Neoteleostei
Infracohors: Eurypterygia
Sectio: Ctenosquamata
Subsectio: Acanthomorphata
Divisio/Superordo: Acanthopterygii
Subdivisio: Percomorphaceae
Series: Anabantaria
Ordo: Synbranchiformes

Familia: Mastacembelidae
Genus: Macrognathus
Species: Macrognathus fasciatus


Macrognathus fasciatus Plamoottil & Abraham, 2014 Types Holotype, ZSI/WGRC/IR 2422, 250 mm SL, Karuthavadasserikkara, Manimala River, Kerala, India; collected by Prof. Mathews Plamoottil, 14 January 2012. Paratype, 3 specimens, ZSI/WGRC/IR 2423, 230- 306.5 mm SL, Karuthavadasserikkara, Manimala River, Kerala,collected by Prof. Mathews Plamoottil.

Diagnosis Macrognathus fasciatus differs from its relative species by the presence of 28-30 dorsal spines, 26- 27 vertical lateral lines on the body, 8-9 whitish yellow round spots present in a row in between every two vertical lines and first dorsal spine originate at the level or a little behind the end of pectoral fin. The new species can further be diagnosed by comparatively greater body width (7.5- 8.3 % SL), shorter dorsal (10.5- 13.0 % HL) and anal spines (13.2- 16.7 % HL), smaller eyes (3.7- 4.8 % HL), shorter width of gape of mouth (7.7- 9.7 % HL) and shorter lower jaw (9.1- 10.9 % HL); dorsal (2.2- 2.9 % SL), pectoral (28.6- 32.1) and anal fins (1.7- 2.6) are also comparatively shorter in Macrognathus fasciatus.

Selected references[edit]

  • Plamoottil, M.; Abraham, N.P. 2014: Macrognathus fasciatus (Synbranchiformes; Mastacembelidae) - a new fish species from Kerala, India. Journal of experimental zoology, India, 17(1): 49–54. [Not seen] reference page