Distribution and Habitat
The Atlantic sawtail catshark is found from Cape St. Vincent in southwestern Portugal, through the Strait of Gibraltar into the Alborán Sea, to as far as Cabo de Gata in southwestern Spain. It is most abundant in the center of the Alborán Sea, and around Isla de Alborán. This species has been recorded a few times off Morocco and once off Mauritania; it may be extremely rare or mistaken for G. melastomus in the region. Its total range has been estimated to encompass 50,000 km2 (19,000 sq mi), about evenly divided between the northeastern Atlantic and the western Mediterranean.
Demersal in nature, the Atlantic sawtail catshark inhabits the continental slope at a depth of 330–790 m (1,080–2,590 ft), and is most common between 400 and 600 m (1,300 and 2,000 ft). There is a lone record from shallower than 50 m (160 ft). This species does not exhibit spatial segregation by either sex or size, or conduct seasonal migrations.
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