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Related FAQs:  CephalopodsCephalopods 2Cephalopod Identification, Cephalopod Behavior, Cephalopod Compatibility, Cephalopod Selection, Cephalopod Feeding, Cephalopod Systems, Cephalopod Disease, Cephalopod Reproduction,

Related Articles: Don't Buy an Octopus Before Reading This by James Fatherree, MollusksThe Ballet of the Wonderpus by Richard Ross,

/The Conscientious Marine Aquarist

Octopus, Cuttlefish, Squid, the Class Cephalopoda,  Octopodes: Part 2

To: Octopodes Part 1, Part 3, Part 4
To: Part B, Squids, Cuttlefishes


Bob Fenner


Genus Haplalochlaena: (venomous) Blue Ring Octopi

Hapalochlaena lunulata, the Greater Blue Ring Octopus. Indo-Pacific. To 7 cm. (2.75"). Bali 2014

Genus Octopus

Octopus briareus, Caribbean Reef Octopus. Often pale to bluish overcast. Doesn't have dark edges around suckers like the other common TWA octopode, O. vulgaris. TiffB pic in Curacao 2015

Octopus cyanea, Gray 1929, the Common Reef Octopus. Indo-Pacific; Red Sea to Hawai'i. Common reef species. Has a prominent black spot surrounded by another black ring near base of arm web. N. Sulawesi pic. 

Octopus (cyanea?) Below, three pix of the same specimen (I shot them in sequence), off of Queensland, Australia and one flushed red in consternation in Hawai'i at right. . 

Verticals (Full/Cover Page Sizes Available
Bigger PIX:
The images in this table are linked to large (desktop size) copies. Click on "framed" images to go to the larger size.

To: Octopodes Part 1, Part 3, Part 4
To: Part B, Squids, Cuttlefishes

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