Unicorn Whiptail

Trachyrincus Longirostris
Unicorn Whiptail - Marinewise © 2026 MarineWise

Quick Facts

Scientific nameTrachyrincus Longirostris
Other namesUnicorn Rattail, White Whiptail
SizeUp to 60 cm (23.62 in)
WeightUnder 1.25 kg (2.75 lb)
FamilyWhiptail / Macrouridae

Distribution

Habitat & AU DistributionDeepsea waters amongst soft bottom areas on the continental slope
Depth Range200 - 1,000 m (3,280 ft)
Unicorn Whiptail Distribution
Species Interaction

Commercial Fishing, Elusive Species

The Unicorn Whiptail is not a target species for recreational or commercial fishing, it can occasionally be incidentally caught as bycatch in deep-sea fishing operations. Bycatch refers to the unintended capture of non-target species while fishing for other commercially valuable species. Due to the species’ deep-sea habitat, limited commercial value, and restricted range, direct human interactions with them are infrequent.

Scientific Classification

Kingdom: Animalia

Phylum: Chordata

Class: Actinopterygii

Order: Gadiformes

Family: Trachyrincidae

Genus: Trachyrincus

Species: Trachyrincus Longirostris

Conservation Status

In Australia, the conservation status of the Unicorn Whiptail is classified as “Least Concern” according to the International Union for Conservation of Nature (IUCN). This indicates that the species is not currently facing significant threats or population decline.

How to catch
Unicorn Whiptail

Catch Difficulty: Not assessed

Tackle: Not applicable

Bait: Not applicable

Technique: Not applicable

Popularity: Mostly commercial bycatch

Elusive / Overlooked Species

Finding: Difficult

Temperament: Shy

Location: Deepsea

Danger: None