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Relicanthus Daphneae

All articles tagged with #relicanthus daphneae

Golden Orb on Alaska Seafloor Is a Rare Deep-Sea Anemone’s Cuticle
science3 months ago

Golden Orb on Alaska Seafloor Is a Rare Deep-Sea Anemone’s Cuticle

A golden orb found on the Gulf of Alaska seafloor is not an alien object but the detached gold cuticle of Relicanthus daphneae, a rare deep-sea anemone. DNA sequencing showed a 99.9% match to the species, and researchers explain that the anemone sheds this golden layer as it moves, which can sink and resemble something from another world. The finding clarifies the organism’s identity and underscores how much deep-sea biodiversity remains poorly understood.

via WIRED|
#anemone#biodiversity#deep-sea
Alaska’s Golden Orb Debunked: It’s the Base of a Giant Sea Anemone
science3 months ago

Alaska’s Golden Orb Debunked: It’s the Base of a Giant Sea Anemone

NOAA scientists have identified the 4‑inch golden “orb” found two miles deep off Sitka in 2023 as the base of a giant sea anemone, Relicanthus daphneae. The mystery, which sparked egg/alien theories, was solved by integrating morphological, genetic, and deep‑sea data and comparing with other specimens. The finding expands understanding of this species and leads to questions about its reproduction and distribution, with formal naming and further discoveries planned.

via Alaska Public Media|
#deep-sea#noaa#okeanos-explorer
Golden orb off Alaska traced to secretions from a deep-sea anemone-like creature
science4 months ago

Golden orb off Alaska traced to secretions from a deep-sea anemone-like creature

A long-standing mystery about a shiny golden orb found on Alaska’s seafloor is solved: it’s not an egg or sponge but secretions from Relicanthus daphneae, a deep-sea anemone‑like animal. Microscopy revealed the tissue is a cuticle the creature uses to cement itself to rock, and DNA analysis confirmed the presence of the anemone’s tissue and associated microbes. The findings, posted on bioRxiv, highlight how combining genetic data with physical samples helps identify little‑known deep-sea life.

via Live Science|
#anemone#deep-sea#golden-orb
Deep-Sea Golden Orb Mystery Solved: Anemone Relic Identified
science4 months ago

Deep-Sea Golden Orb Mystery Solved: Anemone Relic Identified

Scientists from NOAA have solved the two-mile-deep “golden orb” mystery by identifying it as a relic of the giant deep-sea anemone Relicanthus daphneae, after years of study that included DNA sequencing and whole-genome analysis; the orb was not an egg or alien but remains of tissue attached to the rock substrate, underscoring how much there is still to learn about the ocean’s depths.

via Good News Network|
#deep-sea#noaa#oceans
NOAA Solves Golden Orb Mystery: Remnant of a Giant Deep-Sea Anemone
science4 months ago

NOAA Solves Golden Orb Mystery: Remnant of a Giant Deep-Sea Anemone

NOAA researchers solved the nearly three-year mystery of the “golden orb,” finding it is not an egg, sponge, or alien but a remnant of dead cells that attached to rock at the base of the giant deep-sea anemone Relicanthus daphneae. Initial DNA barcoding was inconclusive, but whole-genome sequencing confirmed animal DNA and a close match to Relicanthus daphneae, after the orb was collected during a 2023 Gulf of Alaska expedition and sent to the Smithsonian for study.

via USA Today|
#deep-sea#genomics#noaa
Deep-Sea Gold: Orb Turned Out to Be Anemone Tissue
science4 months ago

Deep-Sea Gold: Orb Turned Out to Be Anemone Tissue

A glowing four-inch orb found on the Gulf of Alaska seafloor during NOAA’s 2023 Seascape Alaska expedition was identified through later genetic testing as a piece of tissue from Relicanthus daphneae, a rare deep-sea giant sea anemone. The discovery concluded that the orb wasn’t an egg or new species but dead cells at the base of the anemone, underscoring the deep ocean’s ongoing mysteries and the subtle process of tissue shedding that can leave behind such glowing relics.

via Yahoo|
#deep-sea#dna-sequencing#golden-orb
Gulf of Alaska’s golden orb traced to a giant deep-sea anemone relic
science4 months ago

Gulf of Alaska’s golden orb traced to a giant deep-sea anemone relic

NOAA and the Smithsonian have identified the 2023-found 'golden orb' in the Gulf of Alaska as a remnant of Relicanthus daphneae, a rarely seen giant deep-sea anemone, specifically the anchoring base attached to rock. The fibrous, stinging-cell mass initially puzzled scientists, but multidisciplinary analysis confirmed its cnidarian origin and linked it to the same species observed in the Mariana Islands, highlighting ongoing deep-sea mysteries revealed by expeditions like Seascape Alaska 5.

via Fox News|
#deep-sea#discovery#noaa
Deep-Sea Golden Orb Turns Out to Be Anemone Skin Left Behind by Relicanthus daphneae
science4 months ago

Deep-Sea Golden Orb Turns Out to Be Anemone Skin Left Behind by Relicanthus daphneae

A 10 cm golden orb found at 3,250 meters depth in the Gulf of Alaska was identified as a shed cuticle from Relicanthus daphneae, a deep-sea anemone, not an egg case. Genomic sequencing linked it to the species, revealing the orb is a chitin-rich cuticle that the animal may leave behind during movement or incomplete asexual reproduction (pedal laceration). The discovery also notes the cuticle hosts microbes, suggesting a micro-scale hotspot on the seafloor and offering clues about deep-sea biology and reproduction.

via ScienceAlert|
#cnidarian#cuticle#deep-sea
Golden Orb Mystery Solved: Remnant of a Giant Deep-Sea Anemone Identified
science4 months ago

Golden Orb Mystery Solved: Remnant of a Giant Deep-Sea Anemone Identified

Scientists have solved the two-year mystery of the Gulf of Alaska’s “golden orb,” identifying it as a remnant of the base of the giant deep-sea anemone Relicanthus daphneae. Using morphological analysis and whole-genome sequencing (since initial DNA barcoding was inconclusive), researchers confirmed animal DNA matching Relicanthus daphneae and linked the orb to the rock-attached base of the creature. The specimen has been accessioned into the Smithsonian NMNH collection, illustrating how advanced genomic methods help unveil deep-sea mysteries.

via NOAA (.gov)|
#deep-sea#dna-sequencing#golden-orb