HomeFish encyclopediaRay-finned fishesPerch-like fishDartfishesSad glider Sad glider (Ptereleotris lineopinnis) Scientific name: Ptereleotris lineopinnis Fowler, 1935 The Sad glider (Ptereleotris lineopinnis) is a marine fish of the family Ptereleotridae. Native range: Indo-West Pacific, Natal, South Africa and the Mariana Islands. Likely to occur in Seychelles. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 36-37; Anal spines: 1; Anal soft rays: 33 - 35; Vertebrae: 26. Body mauve with shades of pale green; yellow snout; cheeks with large brown spots; violet spot below eye, banded with shades of bright yellow and emerald green. 2nd dorsal fin banded, tips of rays yellow; pectorals brownish caudal fin may have a large dark spot (described by Fowler from a single specimen found in the stomach of a flatfish). A black bar below anterior half of orbit crossing corner of mouth and extending onto chin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePtereleotris lineopinnisFamilyPtereleotridae (Dartfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length11.5EnvironmentMarine; demersalClimateTropicalDistributionIndo-West Pacific: Natal, South Africa and the Mariana Islands. Likely to occur in Seychelles.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026