| Contributor | Number of reported observations | Their social media |
|---|---|---|
| Sergio Floeter | 6 | Website – Instagram – Youtube |
| Susan Prior | 6 | Website: Norfolk Island’s Reef – Instagram |
| Jaqueline Toledo | 5 | Instagram – Lab website |
| Peter Wainwright | 4 | Lab website |
| Vasili Kasiutsich | 3 | Youtube channel |
| Joseph Gracia | 3 | |
| Thiago Fiuza | 3 | Lab website |
Contributors
💙 We are highly grateful to all participants who have taken the time to share their observations of anvil use by fish with us. The project wouldn’t be possible without them.
🚨 Last contribution
Thanks to our latest contributor!
Fish observed: Choerodon schoenleinii (Blackspot tuskfish)
Contributor: Naema Gros-Dubois
Location: Lizard Island, Australia

🥇 Top contributors
A big thank you to our most active contributors! Every observation helps build our understanding of the anvil-use behaviour in fish.
👩👦🧓 Contributors
Please find below the list of contributors (a few of them chose to remain anonymous, so their names aren’t displayed). Some contributors are active ocean observers and photographers – check out their social media accounts for more ocean stories, photos, and videos.
| Participant | Their social media |
|---|---|
| Vasili Kasiutsich | Youtube channel |
| Thiago Fiuza | Lab website |
| Susan Prior | Website: Norfolk Island’s Reef – Instagram |
| Sergio Floeter | Website – Instagram – Youtube |
| Sam Shephard | |
| Peter Wainwright | Lab website |
| Peter Gosper | |
| Pauline Fey | |
| Patrick Burke | |
| Olga Helmy | |
| Nora Tripp | |
| Naema Gros-Dubois | |
| Michalis (Mike) Mihalitsis | |
| Mariana Ughini Goldschmidt | |
| Luiz Rocha | |
| Luisa Fagundes | Lab website |
| Louise de Beuzeville | |
| Lisa Hodgson | |
| Katherine Cure | |
| Juliette Tariel-Adam | |
| Joseph Gracia | |
| John Smith | Facebook page |
| Jessica Nguyen | Nguyen et al. 2024 UNSW/UTAS |
| Jaqueline Toledo | Instagram – Lab website |
| Isabelle Ng | |
| Eduardo Sampaio | |
| Daniel Cryan | |
| Charlene at Dive Spirit Mauritius | Instagram Dive center Instagram |
| Carolyn Solomon | |
| Carlos Ferreira | |
| Bridie Allan | |
| Benoit Raillard | |
| Bartosz Piotr Borawski, Christina Norman and Sly | |
| Ana Gaisiner | |
| Alejandra Puentes Sayo |
PS: I am currently finishing to compile the observations I have received – apologies if your name isn’t yet displayed in the list. Your name should appear there by December 2026.
🐟 Fish species reported so far
Below is a list of species reported to be able to use rocks as tools by contributors. There are already so many species on the list. How many more will we discover?
Find more information about the fishes by following the links to FishBase, Wikipedia, or DORIS (in French), and more photos by following the links to iNaturalist.
FishBase · Wikipedia · Doris · iNaturalist
FishBase · Wikipedia · Doris · iNaturalist
FishBase · Wikipedia · Doris · iNaturalist
FishBase · Wikipedia · Doris · iNaturalist
FishBase · Wikipedia · Doris · iNaturalist
FishBase · Doris · iNaturalist
FishBase · Wikipedia · Doris · iNaturalist
FishBase · Wikipedia · Doris · iNaturalist
FishBase · Wikipedia · Doris · iNaturalist
FishBase · Wikipedia · Doris · iNaturalist
FishBase · Doris · iNaturalist
FishBase · Wikipedia · Doris · iNaturalist
FishBase · Wikipedia · Doris · iNaturalist
FishBase · Wikipedia · Doris · iNaturalist