What question did this study set out to answer?

Collate and analyze all known global sightings and specimen records of the elusive deep-sea squid genus Magnapinna to determine its geographic and vertical depth distributions.

August 20, 2026Marine BiologyOpen Access

Global distribution and depth of the Bigfin squid Magnapinna spp

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Authors

AJAlan J. Jamieson JDJeff Day JCJoao Corona

Discussion

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Overview

Observational synthesis reveals broad global distribution and deep-sea depth ranges for Bigfin squid Magnapinna spp, highlighting the value of non-traditional media sources.

Key Points

Collate and analyze all known global sightings and specimen records of the elusive deep-sea squid genus Magnapinna to determine its geographic and vertical depth distributions.
Collated 46 in situ visual sightings from scientific literature (n=19, 41.3%) and non-traditional online outlets, video repositories, and social media (n=27, 58.7%).
Analyzed 17 historical captured specimen records to evaluate collection frequency and compare depth records against visual observations.
Sightings occurred in the Gulf of Mexico (32.6%), Indian Ocean (21.7%), Atlantic Ocean (21.7%), Pacific Ocean (19.6%), and Caribbean Sea (4.3%), spanning from 37.2°S to 44.1°N with zero records in polar regions.
In situ observations demonstrated a mean depth of 2992 ± 1067 m (range: 1578–6212 m), whereas nearly half of specimen records showed minimum capture depths in the upper 600 m.
In situ encounters averaged one observation every 0.8 years (with 73.9% occurring within the last 20 years), compared to specimen collection rates of once every 8.1 years.

Cite This Study

Jamieson et al. (2026) studied this question.

synapsesocial.com/papers/6a86b5eb8a91293e6a1cd81b https://doi.org/10.1007/s00227-026-04927-1

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August 20, 2026Marine BiologyOpen Access

Global distribution and depth of the Bigfin squid Magnapinna spp

View Full Paper

Ask AI

Bookmark

Authors

AJAlan J. Jamieson JDJeff Day JCJoao Corona

Discussion

Member takes

Overview

Observational synthesis reveals broad global distribution and deep-sea depth ranges for Bigfin squid Magnapinna spp, highlighting the value of non-traditional media sources.

Key Points

Collate and analyze all known global sightings and specimen records of the elusive deep-sea squid genus Magnapinna to determine its geographic and vertical depth distributions.
Collated 46 in situ visual sightings from scientific literature (n=19, 41.3%) and non-traditional online outlets, video repositories, and social media (n=27, 58.7%).
Analyzed 17 historical captured specimen records to evaluate collection frequency and compare depth records against visual observations.
Sightings occurred in the Gulf of Mexico (32.6%), Indian Ocean (21.7%), Atlantic Ocean (21.7%), Pacific Ocean (19.6%), and Caribbean Sea (4.3%), spanning from 37.2°S to 44.1°N with zero records in polar regions.
In situ observations demonstrated a mean depth of 2992 ± 1067 m (range: 1578–6212 m), whereas nearly half of specimen records showed minimum capture depths in the upper 600 m.
In situ encounters averaged one observation every 0.8 years (with 73.9% occurring within the last 20 years), compared to specimen collection rates of once every 8.1 years.

Cite This Study

Jamieson et al. (2026) studied this question.

synapsesocial.com/papers/6a86b5eb8a91293e6a1cd81b https://doi.org/10.1007/s00227-026-04927-1

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