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Deep-Sea First: Juvenile Colossal Squid Filmed in Natural Habitat
In an unprecedented marine biology event, a colossal squid has been successfully filmed in its deep-sea environment for the first time. An international team of scientists utilized a remotely operated submersible to capture the remarkable footage of this elusive creature.
Historic Sighting Announced
The groundbreaking visual confirmation was made public on Tuesday by the Schmidt Ocean Institute, marking a significant advancement in deep-sea exploration and the study of colossal squids.
Juvenile Specimen Observed
The colossal squid documented was a young specimen, measuring approximately 1 foot (30 centimeters) in length. It was observed at a depth of 1,968 feet (600 meters) in the South Atlantic Ocean. Adult colossal squids, known to be the largest invertebrates on Earth and previously studied from specimens found in predator stomachs, can reach impressive sizes of up to 23 feet (7 meters).
Expedition Details and Species Verification
The rare sighting occurred last month near the South Sandwich Islands during a research expedition focused on discovering new marine life forms. The research team deliberately waited to confirm the species identification with independent experts before making the video public.
Expert Confirmation and Future Research
“It is truly exciting that we have observed a young colossal squid for the first time. This is an exceptionally beautiful animal,” commented Dr. Kat Bolstad, a squid expert at the Auckland University of Technology in New Zealand, who played a key role in verifying the identification of the filmed squid.

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Dr. Bolstad further indicated that researchers are currently testing various camera technologies with the aspiration of filming a fully grown adult colossal squid in its deep-sea habitat.
Physical Characteristics
The juvenile colossal squid exhibited nearly complete transparency with delicate arms. In contrast, adult colossal squids transition from this translucent appearance to become opaque and display a dark red or purple coloration. Upon reaching full maturity, they are recognized as the planet’s largest known invertebrates.