Gonatopsis is a genus of squid from the family Gonatidae. They are characterised by the loss of their tentacles by the time they have reach the subadult stage. They have arms which have two series of hooks along the midline of the oral surface arms, the radula has five or seven teeth, the mantle can be muscular or flabby, fins are rhomboid or arrow shaped and they lack photophores. They are found in the North Pacific.
Species The following species have been classified as belonging to Gonatopsis:
Gonatopsis borealis Sasaki, 1923 Gonatopsis japonicus Okiyama, 1969 Gonatopsis makko Okutani & Nemoto, 1964 Gonatopsis octopedatus Sasaki, 1920 Gonatopsis okutanii * Nesis, 1972
The species listed above with an asterisk (*) is a taxon inquirendum and needs further study to determine if it is a valid species or a synonym.
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