HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsLeopard whiptail Leopard whiptail (Coelorinchus pardus) Scientific name: Coelorinchus pardus Iwamoto & Williams, 1999 The Leopard whiptail (Coelorinchus pardus) is a marine fish of the family Macrouridae. Native range: Western Central Pacific, confined to the Arafura Sea in the Northern Territory, Australia. BiologyDorsal spines (total): 2. Snout long, 43-49% of HL, anterolateral margin not completely supported by bone; characteristic scales overlap anterolaterally onto ventral snout surface; orbit diameter 22-25% of HL, 1.8-2.2 times into snout length; upper jaw 24-27% of HL; chin barbel short, about equal to length of first gill slit; subopercle lacking a prolonged narrow flap. Light organ extends from behind isthmus to front of anus. Underside of head naked; nasal fossa naked; body scales thin, spinules short, fine, aligned in close parallel rows. Conspicuous body markings consisting of blotches, spots and occasional ring on dorsum, becoming a narrow dorsal stripe to end of tail; belly between periproct and pelvic fin bases lacking melanophores; maxillary ramus immaculate (rarely with 2-3 melanophores). First dorsal fin with membrane between second spinous ray and first segmented ray black; anterior end of anal fin blackish distally. Pyloric caeca 8-11, usually 10-11; P i14-i15, rarelySource: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCoelorinchus pardusFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Depth range107–187 m (351–614 ft)EnvironmentMarine; benthopelagic; depth range 107 - 187 mClimateTropicalDistributionWestern Central Pacific: confined to the Arafura Sea in the Northern Territory, Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026