The deep ocean continues to yield its secrets. Researchers have recently identified a new species of octopus, Opisthoteuthis carnarvonensis, off the western coast of Australia. This remarkable creature, nicknamed the “flapjack octopus” for its unique shape-shifting abilities, boasts a vibrant red body and disproportionately large eyes – adaptations to life in the perpetually dark depths of the ocean. The discovery highlights the incredible biodiversity still hidden within our planet’s marine ecosystems and underscores the importance of continued deep-sea exploration.
The new octopus was found within the Carnarvon Canyon Marine Park, a region known for its complex underwater topography and rich marine life. It belongs to a group of octopuses often called “umbrella octopuses” or “Dumbo octopuses,” a nod to the large ear-like fins on their heads that resemble the Disney character. These fins, combined with a web-like membrane connecting their arms, supply them a distinctive, umbrella-like appearance when they extend their tentacles. Understanding these deep-sea cephalopods is crucial for conservation efforts, particularly as human activity expands into previously unexplored areas.
A Deep-Sea Discovery: The Carnarvon Octopus
The Opisthoteuthis carnarvonensis was collected during a 2025 expedition led by the Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia’s national science agency. CSIRO has been at the forefront of marine research in the region for decades and this latest discovery builds on a growing body of knowledge about Australia’s deep-sea ecosystems. According to reports in Science News, the octopus is quite small, measuring only about four centimeters (roughly 1.6 inches) in diameter. It’s described as a gelatinous animal with striking, blood-red tentacles.
What sets this species apart is its exceptional ability to flatten its body, resembling a pancake, and then expand again into its umbrella-like form. This shape-shifting capability likely aids in both locomotion and camouflage in the challenging deep-sea environment. The name “flapjack” directly references this unique behavior. Scientists believe the large eyes of the Opisthoteuthis carnarvonensis are a key adaptation for detecting the faint bioluminescence of prey in the dimly lit depths.
Diversity of Dumbo Octopuses
There are approximately 50 known species of umbrella octopuses, with around 15 of those found in Australian waters. This makes Australia a hotspot for Dumbo octopus diversity, as noted by Venetia Joscelyne, a researcher at CSIRO’s National Marine Facility. “These discoveries are vital to facilitate us understand the conservation needs of marine parks,” Joscelyne stated, emphasizing the importance of protecting these fragile ecosystems. The five specimens used to describe the new species were collected from depths exceeding 1,500 meters (nearly 5,000 feet) within and around the Carnarvon Canyon.
The deep sea, defined as the ocean below 200 meters, remains largely unexplored. The extreme pressure, lack of sunlight, and logistical challenges of deep-sea research mean that many species remain undiscovered. Advances in remotely operated vehicles (ROVs) and autonomous underwater vehicles (AUVs) are gradually allowing scientists to access and study these previously inaccessible environments. These technologies are crucial for documenting biodiversity and understanding the ecological roles of deep-sea organisms.
Implications for Conservation
The discovery of Opisthoteuthis carnarvonensis isn’t just a taxonomic achievement; it has broader implications for marine conservation. The Carnarvon Canyon Marine Park, where the octopus was found, is a protected area, but it still faces threats from potential deep-sea mining and bottom trawling. Understanding the unique biodiversity within these parks is essential for developing effective management strategies.
The large eyes of the Opisthoteuthis carnarvonensis, evolved to maximize light capture in the dark depths, are a testament to the power of natural selection. They also highlight the vulnerability of these creatures to changes in their environment. Light pollution from human activities, even at the surface, could potentially disrupt their hunting and mating behaviors. Further research is needed to assess the potential impacts of human activities on this newly discovered species and its habitat.
CSIRO researchers are continuing to analyze the specimens and conduct further surveys in the Carnarvon Canyon Marine Park. The next phase of research will focus on understanding the octopus’s diet, reproductive behavior, and genetic relationships to other Dumbo octopus species. A comprehensive report detailing the findings is expected to be published in a peer-reviewed scientific journal in late 2026.
This remarkable discovery serves as a potent reminder of the vastness and mystery of the ocean, and the urgent necessitate to protect its fragile ecosystems. Share this story to help raise awareness about the importance of deep-sea exploration and conservation. What are your thoughts on this incredible locate?
