Blog
Thank You to orca.creation for Your Sponsorship
Feb 14, 2023
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
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...
Phyllidiella pustulosa vs Phyllidiopsis fissurata: How to Tell Them Apart
Dec 28, 2015
These two Phyllidiidae nudibranchs look nearly identical, but their rhinophore color pattern gives them away. A quick...