HomeFish encyclopediaRay-finned fishesLightfishes and DragonfishesMarine hatchetfishesPennant pearlside Pennant pearlside (Maurolicus australis) Scientific name: Maurolicus australis Hector, 1875 The Pennant pearlside (Maurolicus australis) is a marine fish of the family Sternoptychidae. Native range: Southwest Pacific, off New Zealand and southern Australia. BiologyVertebrae: 33 - 34. AC photophores 22-25, usually 23-24. Head 29-31% SL, eye 10-11.5% SL, upper jaw 16-18% SL, maximum body depth at pectoral fin base 22-25% SL. Stomach and hind portion of intestine intensively pigmented.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMaurolicus australisFamilySternoptychidae (Marine hatchetfishes)OrderStomiiformes (Lightfishes and Dragonfishes)ClassActinopterygii (Ray-finned fishes)Maximum length5.0EnvironmentMarine; bathypelagicClimateDeep-waterDistributionSouthwest Pacific: off New Zealand and southern Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026