Notopterus notopterus (Pallas, 1769)

Das, Mrinal Kumar & Sivaperuman, C., 2025, First record of two freshwater fishes, Trichogaster fasciata Bloch and Schneider, 1801 (Anabantiformes: Osphronemidae) and Notopterus notopterus (Pallas, 1769) (Osteoglossiformes: Notopteridae) from Andaman Islands, India, Records of the Zoological Survey of India 125 (2), pp. 193-199 : 196-197

publication ID	https://doi.org/10.26515/rzsi/v125/i2/2025/172879
persistent identifier	https://treatment.plazi.org/id/CB007F7B-FFD0-FF8D-2053-4674FDDF70EB
treatment provided by	Felipe
scientific name	Notopterus notopterus (Pallas, 1769)
status

Treatment

Notopterus notopterus (Pallas, 1769) View in CoL

Material examined: ZSI/ ANRC / M 29334 , 1 ex, (SL 138.28 mm), Laxmanpur area (Lat: 12° 30’ 31.7304’’ N and Long: 92° 51’ 40.6476’’ E) North and Middle Andaman Island GoogleMaps ,

10.09.2023, Coll: Mrinal Kumar Das.

Description: Fin formula: D 8; A 104; V 5

The Body is oblong and strongly compressed. The dorsal profile is a bit more convex than the abdominal part. Head compressed its length about 4.5 times in standard length; Preorbital serrated. The mouth is moderate and the maxilla extends up to the mid orbit. A row of curved teeth is present in either jaw. The Dorsal fin is short and inserted nearer the snout-tip than to the base of the caudal fin. The Pectoral fin is moderate and extends beyond the anal fin origin. The pelvic fin is rudimentary. The anal fin is very long and confluent posteriorly with caudal fin. The Scales are minute, and considerably a bit larger on the operculum than on the body.

Colour: Silvery white with numerous fine grey spots on the body and head which are dark along the narrow back. The dorsal side is blackish and a yellow gloss can be observed on the head. The dorsal fin has a white tip and the anal has a black margin. Eyes are golden in colour ( Fig. 3 View Fig ).

Distribution: Asia: Indus ( Muhammad et al., 2017), Ganges ( Das et al., 2010), Brahmaputra ( Dutta and Sarma, 2023), Mahanadi ( Singh et al., 2013), Krishna ( Laxmappa et al., 2015), Cauvery ( Arunkumar et al., 2015) and other

Das and Sivaperuman river basins in southern India ( Heda, 2009); Irrawaddy, Salween, Meklong, Chao Phraya, Mekong, river basins of peninsular Thailand and Malaysia; Sumatra, Java and Bangladesh ( Froese & Pauly, 2024).