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Cephalopods, as active marine predators, possess sensory organs specialized for use in aquatic conditions. [1] They have a camera-type eye which consists of an iris, a circular lens, vitreous cavity (eye gel), pigment cells, and photoreceptor cells that translate light from the light-sensitive retina into nerve signals which travel along the optic nerve to the brain. [2]
Octopus bimaculoides observed at Nicholson Point in La Jolla, California in August, 2024. Close-up of the chromatophores on Octopus bimaculoides. The California two-spot octopus (Octopus bimaculoides), often simply called a "bimac", is an octopus species native to many parts of the Pacific Ocean including the coast of California. One can ...
Octopus californicus (commonly the North Pacific bigeye octopus or orange bigeye octopus) [2] [3] is an octopus in the family Octopodidae. [4] It is provisionally assigned to the genus Octopus, but some scholars have concluded it belongs in other genera. [5] [6] O. californicus was first documented by S. Stillman Berry in 1911. [7]
An octopus (pl.: octopuses or octopodes [a]) is a soft-bodied, eight-limbed mollusc of the order Octopoda (/ ɒ k ˈ t ɒ p ə d ə /, ok-TOP-ə-də [3]).The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttlefish, and nautiloids.
Currently, [20] in Monterey Canyon, research is going on with scientists from the Monterey Bay Aquarium Research Institute, with several Opisthoteuthis sp. specimens (including a fertile octopus) that resemble O. californiana (in media these were given the informal name Opisthoteuthis 'adorabilis '). Due to the challenges of mimicking their ...
The only other possible contender for the largest species of octopus is the seven-arm octopus (Haliphron atlanticus), based on a 61-kilogram (134-pound), incomplete carcass estimated to have a live mass of 75 kg (165 lb).
Octopus bimaculatus, commonly referred to as Verrill's two-spot octopus, is a similar species to the California two-spot octopus (Octopus bimaculoides), which it is often mistaken for. The two can be distinguished by the difference in the blue and black chain-like pattern of the ocelli.
Two-spot octopus may refer to: Octopus bimaculatus , also known as Verill's two-spot octopus Octopus bimaculoides , also known as the California two-spot octopus