Coelorinchus fuscigulus
Coelorinchus fuscigulus, the dark‑bodied rattail, is a deep‑sea demersal fish found on continental slopes. It grows to about 32 cm and is targeted by anglers seeking deep‑water species for its elusive behavior.
Family
Macrouridae
Max Size
32.2 cm
Habitat
marine
Depth Range
400-600m
Climate
tropical
Best Season
Year‑round, with higher catches in spring to early summer (April‑June)
Best Time
Nighttime (dusk to dawn)
Select a map type to show distribution on the globe.
Maui Deep Sea Slope
United States (Hawaii)Steep drop-off off Maui's southern coast where deep‑water rattails congregate on the continental shelf edge.
Best: June‑August
Subantarctic Ridge, South Island
New ZealandCold, nutrient‑rich currents over the Subantarctic Ridge attract large numbers of Coelorinchus fuscigulus on the deep seafloor.
Best: November‑February
Tasman Sea Bottomfish Grounds
AustraliaModerately deep waters off Tasmania’s east coast; accessible via offshore charter vessels with deep‑sea gear.
Best: March‑May
Kermadec Trench Edge
New CaledoniaOne of the world’s deepest marine trenches; the trench rim hosts abundant rattail populations during cooler months.
Best: September‑November
Juan Fernández Islands Deep Waters
ChileIsolated volcanic islands with steep drop‑offs; a hotspot for deep‑sea species including Coelorinchus fuscigulus.
Best: December‑February
Southwest Indian Ocean – Madagascar Slope
MadagascarRemote offshore slope where strong upwellings create ideal habitat for deep‑water rattails.
Best: April‑June
Best bait: Fresh cut squid, shrimp, or fish offal