Joined-fins skate (Bathyraja cousseauae) is a ray-finned fish of the family Arhynchobatidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 86 cm. It occurs at depths between 119 and 284 metres. With a trophic level of 4, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.
This species is distinguished by having the following characters: a large and very distinct round pale area ocellus-like, margined with dark brown on posterior part of each pectoral base of the upper side of the disc; upper surface of disc fully covered with numerous small spinules, also on interorbital area, tail, dorsal fins, and posterior pelvic lobes; larger individuals with scattered spinules distributed in central parts of the disc; ocular thorns absent; continuous row of 21-27 median thorns from nuchal; region to first dorsal fin; males have elongated, slender rod-shaped claspers; dorsal fin densely spinulose close to the end of tail and with no space between them .: other.
Behavioural data for Joined-fins skate is currently being reviewed.
Diet information for Joined-fins skate is currently being compiled.
Reproduction data for Joined-fins skate is currently being compiled.
Marine; demersal; depth range 119 - 284 m . Subtropical Southeast Pacific: Chile.
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