[2][3] It was first described as Octopus abaculus by M. D. Norman and M. J. Sweeney in 1997 based on specimens caught in Zamboanga del Norte, Philippines.

[4] A. abaculus have a mantle length of up to 33 millimetres (1.3 in) and a weight of up to 21 grams (0.74 oz).

[6] A. abaculus is found in the Philippines,[7] and has also been reported in Tonga,[6] Fiji,[8] and Japan.

[9] It is found at depths of zero to five metres (0 to 16 ft).

[5] A. abaculus lays eggs of up to 2.4 millimetres (0.09 in).