The octopus deep-sea Muusoctopus longibrachus (Ibañez et al. 2006) is recorded for the first time in the Peruvian sea. Two male specimens were caught at 852 – 875 m depth between 05°08'S and 09°18'S. This species was known only from Chile, in the present study extends its distribution north to Peru.

In this paper, ‘Octopus’ selene is first registered in Peruvian waters and its distribution range extends south to Cabo Blanco, Piura, Peru. Four male specimens of 34 – 50 mm ML were captured between 03°34'S and 04°06'S at depths of 109 – 150 m. A brief description is provided, with taxonomic observations and comments on its geographical distribution of this species.

The octopus deep-sea Muusoctopus longibrachus (Ibañez et al. 2006) is recorded for the first time in the Peruvian sea. Two male specimens were caught at 852 – 875 m depth between 05°08'S and 09°18'S. This species was known only from Chile, in the present study extends its distribution north to Peru.

In this paper, ‘Octopus’ selene is first registered in Peruvian waters and its distribution range extends south to Cabo Blanco, Piura, Peru. Four male specimens of 34 – 50 mm ML were captured between 03°34'S and 04°06'S at depths of 109 – 150 m. A brief description is provided, with taxonomic observations and comments on its geographical distribution of this species.