Nemipterus Swainson 1839
Creators: name: Russell, Barry C.
name: Gouws, Gavin
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Perciformes
Nemipteridae
Nemipterus

description: Key to species of Nemipterus in the western Indian Ocean
1a. Membrane between dorsal spines deeply incised.................................... N. peronii (Indo-West Pacific)
1b. Membrane between dorsal spines not incised or only slightly emarginate......................................... 2
2a. Upper lobe of caudal fin with a filamentous extension........................................................ 3
2b. Upper lobe of caudal fin without any filamentous extension................................................... 6
3a. Body slender, depth 3.8-4.6 in SL; pectoral fins extending to or just short of level of vent; upper lobe of caudal fin produced into short filament............................................................. N. zysron (Indo-West Pacific)
3b. Body moderately deep, depth 2.7-3.5 in SL; pectoral fins extending beyond level of vent; upper lobe of caudal fin with long trailing filament...................................................................................... 4
4a. Suborbital moderately deep, its least depth 1.0- 1.9 in eye diameter; pelvic fins reaching to or just beyond level of vent.............................................................................. N. japonicus (Indo-West Pacific)
4b. Suborbital shallow, its least depth 1.7-3.6 in eye diameter; pelvic fins reaching well beyond level of vent to at least origin of anal fin............................................................................................. 5
5a. Pelvic fins reaching to between level of vent and origin of anal fin; pectoral fins extending to between level of vent and origin of anal fin; upper caudal rays, caudal filament and outer edge of dorsal fin bright yellow.... N. elaine n. sp. (Mozambique)
5b. Pelvic fins extending to or beyond level of origin of anal fin; pectoral fins extending to or beyond level of origin of anal fin; upper caudal rays, caudal filament and outer edge of dorsal fin red....... N. randalli (W. Indian Ocean, W. Bay of Bengal)
6a. Scales below lateral line in ascending rows anteriorly; maxillary reaching to below anterior half of the eye; head rosy red, with 1-2 indistinct mauve-blue bands on snout; body with five greenish-yellow upwardly curved bands on sides......................................................................................... N. bipunctatus (Indian Ocean)
6b. Scales below lateral line in more or less horizontal rows; maxillary reaching to between level of posterior nostril and anterior margin of eye; head pinkish mauve with two yellow bands on snout; upper lip narrowly edged with yellow; lower lip and chin beneath lip yellow, this colour extending as narrow band posteriorly to lower margin of opercle; body lacking distinct stripes................................................................. N. flavomandibularus (Mascarene Plateau)
description: Published as part of Russell, Barry C. & Gouws, Gavin, 2020, A new species of Nemipterus (Pisces: Nemipteridae) from the Western Indian Ocean, pp. 573-580 in Zootaxa 4895 (4) on pages 578-579, DOI: 10.11646/zootaxa.4895.4.7, http://zenodo.org/record/4386368