Species profile
Roundscale Spearfish
Tetrapturus georgii
At a glance
Roundscale Spearfish (Tetrapturus georgii) is an IUCN Data Deficient bony-fish species regulated in 2 of 66 jurisdictions tracked by CatchRules across the U.S. and Canada.
Notable details
- One of the rarest and least-studied billfish in the Atlantic Ocean.
- It closely resembles the white marlin and is frequently misidentified at sea.
- Genetic studies revealed it is more common than previously thought once records were corrected.
- Rounder scales distinguish it from other similar Atlantic billfish species.
Jurisdictions with rules for Roundscale Spearfish
Background
The roundscale spearfish (Tetrapturus georgii) is a species of marlin native to the eastern Atlantic Ocean from Portugal to Madeira, the Canary Islands to northern Africa and the western Mediterranean Sea to Sicily. It is suspected that it may be more widespread. It is believed to inhabit open waters. This species can reach a length of 184 centimetres (72 in) FL and the heaviest recorded fish…
Background excerpt adapted from Wikipedia's Roundscale Spearfish article (CC BY-SA). Visit Wikipedia for the full entry.
Other bony fish on CatchRules
Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.