eaton's skate
Bathyraja eatonii
Skate of the Southern Ocean, with records in southern Chile. It does not occur in Brazil and appears in commercial fishing.
Also called: raia-de-Eaton, raya de Eaton, eaton's skate
- maximum
- 100 cm
who is the eaton's skate
Eaton's skate is a skate of the family Arhynchobatidae, with a flattened body and a disc formed by the pectoral fins. It reaches 100 cm. It lives on the bottom of the Southern Ocean, around the Kerguelen, South Orkney and South Shetland islands, on the Antarctic Peninsula and in the Weddell Sea, with one record in the Ross Sea. It also occurs off the coast of Chile. It is oviparous, and the egg cases have horn-like projections on the shell. It appears in commercial fishing. It does not occur in Brazil.
Essential profile. Identification, where it occurs and rules, with data from FishBase and the cited regulations. Season, time of day, technique and bait are added once we have a good source for the eaton's skate.
identification
Flattened skate with a wide disc and thin tail separated from the disc, like the family's other skates. It lives in polar and subantarctic waters, around islands of the Southern Ocean and in southern Chile, far from Brazilian coasts. It reaches 100 cm and is a polar skate.
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Each card shows the day's index (0 to 100) and, below it, a strip with the index for each hour, from 0h to 23h. from poor to excellent.
Essential profile: the index uses a general fish model (weather, sun, moon and tide), without a season or time of day specific to this species.
where found
Southern Ocean, near the Kerguelen, South Orkney and South Shetland islands, and off the coast of Chile. It does not occur in Brazil.
Habitat: Sea floor in cold waters of the Southern Ocean and southern Chile.
rules for the eaton's skate
Summary of the regulations we found, with the source for each. Rules change; before keeping or transporting fish, check with the state environmental agency.
We found no species-specific rule beyond the region's general rules.
catch and release
catch and release Releasing the fish alive, quickly and with a wet hand. During a closed season it isn't always allowed: what the regulation says applies.
Bottom skate, of large size: if it comes on the line, do not lift it out of the water; remove the hook with long-nose pliers or cut the line close and release it with minimal handling. Watch the spines on the back and tail.
how much it weighs without taking it out of the water
Length-weight relationship W = a·Lb (a = 0.00562, b = 3.13; FishBase (relação peso-comprimento bayesiana, estimativa pelo gênero e formato do corpo)). It's an average: a fat or lean fish can vary by 10% to 20%.
estimated weight
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sources and references
Essential profile: size, length-weight, depth, countries and conservation come from FishBase and the cited regulations, and the texts were written from those sources. Season, time of day, sensitivities, technique and baits and lures are not included yet, because we did not find a good source for this species.
- scientific FishBase: Bathyraja eatonii (ficha da espécie)Size, length-weight, depth, habitat, distribution, biology, and IUCN status. Page checked on Oct 13, 2026.
- scientific FishBase: nomes populares de Bathyraja eatoniiNames by country and language.