striped eel catfish (Plotosus lineatus)
common octopus (Octopus vulgaris)
goatsbeard brotula (Brotula multibarbata)
goatsbeard brotula (Brotula multibarbata)
Octopus sp.
Luna lionfish (Pterois lunulata)
Sepia sp.

Scientific name Pterois lunulata - Brotula multibarbata - Plotosus lineatus - Octopus sp. - Octopus vulgaris - Sepia sp.
Artist Kawahara Keiga (川原慶賀)
Date artwork between 1823 and 1829
Source: https://commons.wikimedia.org/wiki/File:Naturalis_Biodiversity_Center_-_RMNH.ART.324_-_Pterois_lunulata_-_Brotula_multibarbata_-_Plotosus_lineatus_-_Octopus_sp._-_Octopus_vulgaris_-_Sepia_sp._-_Kawahara_Keiga_-_1823-1829_-_Siebold_Collection_-_pencil_drawing_-_water_colour.jpg

Plotosus lineatus, common name striped eel catfish, is a species of eeltail catfishes belonging to the family Plotosidae.

The goatsbeard brotula (Brotula multibarbata) is marine fish species of family Ophidiidae found in Indo-central Pacific.

The common octopus (Octopus vulgaris) is a mollusc belonging to the faimily Octopodidae. Octopus vulgaris is found in the eastern Atlantic extends from the Mediterranean Sea and the southern coast of England to at least Senegal in Africa.

Luna lionfish (Pterois lunulata) is a saltwater fish of the family Scorpaenidae. This species is widespread in the coral reefs of the Indo-Pacific, from Mauritius to southern Japan.