Predator on sessile preys (mostly Ascidians) in the upper infralittoral. Mediterranean specimens are said to bear less ribs than atlantic ones. – Shallow water among rocks along the jetty, Cassis, Provence, S. France. 10mm.
| Trivia arctica (Pulteney, 1799) |
|
| Northern Norway to W. Mediterranean. Predator on sessile preys (mostly Ascidians) in the upper infralittoral. Mediterranean specimens are said to bear less ribs than atlantic ones. – Shallow water among rocks along the jetty, Cassis, Provence, S. France. 10mm. |
|
| Synonyms: anglica, europaea, hispania, norvegica… and also mollerati for mediterranean specimens. Under subtidal rock, Spernec Point, Groix Island, S. Brittany, NW. France. 8mm. |
|
| On muddy sands, near rocks, at extreme low tide, north of Saint-Céran harbour, Baie de la Fresnaye, Côtes d’Armor, N. Brittany. 12mm. |
|
| In crevices on rocks at extreme low tide, zone of red algae (Sphaerococcus coronopifolius Stackhouse), Petit Bey islet, Saint-Malo, N. Brittany. 9-11mm. |
|
| Egg-laying near Zierikzee, south coast of Schouwen-Duiveland island, Zeeland, SW. Netherlands. Original picture provided by V_S_ for iNaturalist – (CC BY-NC). |
|
| A specimen observed by night near Saint-Suliac, Rance Basin, N. Brittany. Original picture provided by P. Corbrion for iNaturalist – (CC BY-NC-SA). |
| — back to Triviidae — |