The seven-arm octopus (Haliphron atlanticus), also known as the blob octopus or sometimes called septopus, is one of the two largest known species of octopus; the largest specimen ever discovered …

1 day ago · Almost a half-mile below Monterey Bay's surface, California scientists recorded rare footage of a seven-arm octopus eating a red, bioluminescent jellyfish last month.

2 days ago · Scientists on California’s Central Coast recently spotted a giant, evasive seven-arm octopus while on a research expedition in Monterey Bay.

5 days ago · Further remains of an unusual deep-sea creature called a seven-arm octopus have been found on an Aberdeenshire beach. Arms with rows of suckers were initially discovered by a member …

Dec 2, 2025 · What appeared to be tentacles washed up on an Aberdeenshire beach are the remains of a deep-sea creature called a seven-arm octopus, say experts. A local member of the public spotted …

Dec 4, 2025 · Known to science as Haliphron atlanticus, these octopuses do in fact have eight arms, but they’re known as seven-arm octopuses because of a curious behavior seen in the males. During...

Basic facts about Seven-arm octopus: lifespan, distribution and habitat map, lifestyle and social behavior, mating habits, diet and nutrition, population size and status.

3 days ago · A rare seven-arm octopus (Haliphron atlanticus) was recently documented in the deep waters of Monterey Bay using a specialized underwater camera developed by the Monterey Bay …

Due to this species' thick, gelatinous tissue, the arm is easily overlooked, giving the appearance of just seven arms. However, like other octopuses, it actually has eight.

Sep 4, 2025 · Extremely rare find - Seven-armed Octopus (Haliphron atlanticus)! This is a deep sea species which DOES have 8 arms, but the males do something that has led to this name.