Blog
Favorite Sea Slug Poll — Top 10 Results
Jun 4, 2023
Results of a three-day poll on favorite sea slugs: about 200 votes across 96 species, with the top 10 featured along...
Thank You to Diving Shop Oasis for Your Sponsorship
Mar 14, 2023
Oasis in Chigasaki, Kanagawa — diving across Enoshima, Hayama, Osezaki, Amami, and Hawaii.
Thank You to Nudibranch Hunters for Your Sponsorship
Feb 27, 2023
Nudibranch Hunters — a nudibranch-specialized dive shop on Jogashima, Miura Peninsula.
Thank You to Collins Diving Club for Your Sponsorship
Feb 26, 2023
Collins Diving Club in Kumomi, West Izu — they go all-out finding nudibranchs for you.
Thank You to orca.creation for Your Sponsorship
Feb 14, 2023
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orca.creation — an illustrator who creates adorable sea creature merchandise including nudibranch stickers.
Appeared on UmisachiTV
Aug 2, 2022
World of Sea Slugs appeared on the YouTube channel UmisachiTV to talk about nudibranchs.
Osaka Bay Nudibranch Observation Meet 2021 — A Three-Day Report
Oct 6, 2021
A report from October 2021, when World of Sea Slugs was invited as a guest to the Osaka Bay Nudibranch Observation...
Heart Regeneration in Sea Slugs — Interview with Sayaka Mitoh
Apr 21, 2021
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A sea slug that sheds its entire body — heart and all — and regrows it in weeks. We spoke with Sayaka Mitoh, the...
Lecture Report
Mar 8, 2021
A brief report on a public lecture about nudibranchs given at the Osaka Bay Marine Biology Research Group.
33 Questions for the Creator of SEASLUG.WORLD
Jul 31, 2020
An interview packed with 33 questions for Kimoto, the person behind World of Sea Slugs. From how he dives and...
For Kids Who Love Nudibranchs — Interview with Atsushi Ono, Part 1
Jul 7, 2020
We spoke with Atsushi Ono, author of the field guide New Edition: Sea Slugs. If you come across any difficult words,...
Behind the Scenes of the Field Guide — Interview with Atsushi Ono, Part 3
Jul 4, 2020
In the final part of our interview with Atsushi Ono, author of New Edition: Sea Slugs, we go behind the scenes of the...
Enjoying Nudibranchs to the Fullest — Interview with Atsushi Ono, Part 2
Jul 4, 2020
Part 2 of our interview with Atsushi Ono, author of New Edition: Sea Slugs. He shares what makes nudibranchs so...
Interview with Atsushi Ono, Part 4 — Early Years and the Making of Field Guides
Jul 4, 2020
An interview with Atsushi Ono, author of New Edition: Sea Slugs. He looks back on his boyhood as a young aquarist,...
Creatures Often Mistaken for Nudibranchs
Aug 16, 2019
Many non-nudibranch creatures get submitted to our site. Here are the most common look-alikes and how to tell them...
International Sea Slug Workshop, Bali, February 2019
Feb 22, 2019
A report from the International Sea Slug Workshop held in Bali, Indonesia. Meeting researchers and diving in Tulamben.
The Reclassification That Made Opisthobranchia Disappear
Apr 18, 2018
How recent molecular phylogenetics reclassified sea slugs, dissolving the traditional order Opisthobranchia and...
Top 10 Most Popular Nudibranchs
Jul 2, 2016
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Ranking the most viewed nudibranch species on seaslug.world based on page views.
Guide to Nudibranch Body Parts
Mar 11, 2016
A visual guide to nudibranch anatomy — rhinophores, gills, mantle, foot, and other key body parts for identification.
Sea Slugs and Snails: Creatures on the Boundary
Jan 3, 2016
In the past, shelled gastropods like Hydatinidae and Acteonidae were treated as cephalaspidean sea slugs in field...