Thanks to taxonomic studies and DNA analyses conducted by our scientific partners, combined with field observations by natural area managers and citizen science contributions, we have detected the presence of new Non-Indigenous Species in the Occitanie and Catalonia regions.<\/p>\n<\/div><\/div><\/div><\/div><\/div>
List of Newly Detected Species<\/h2><\/div>- <\/i><\/span>\n
Besides the coastal zone, this species can also be found in lagoons.<\/strong><\/p>\n<\/div><\/li><\/ul>- \n\t\t\t\t
![\"Alitta](\"https:\/\/alien-occicat.obs-banyuls.fr\/wp-content\/uploads\/2026\/07\/Alitta-succinea-3.png\")
<\/div>\n<\/div><\/i>Alitta succinea<\/div><\/div>Polychaete worm<\/p>\n<\/div>
<\/div><\/div><\/li>\n- \n\t\t\t\t
![\"Amphitritides](\"https:\/\/alien-occicat.obs-banyuls.fr\/wp-content\/uploads\/2026\/08\/Amphitritides-gracilis3.jpg\")
<\/div>\n<\/div>Amphitritides gracilis<\/div><\/div>Polychaete worm<\/p>\n<\/div>
<\/div><\/div><\/li>\n- \n\t\t\t\t
![\"anadara-transversa2\"](\"https:\/\/alien-occicat.obs-banyuls.fr\/wp-content\/uploads\/2026\/08\/anadara-transversa2.jpg\")
<\/div>\n<\/div>Anadara transversa<\/div><\/div>Bivalve<\/p>\n<\/div>
<\/div><\/div><\/li>\n- \n\t\t\t\t
![\"\"](\"https:\/\/alien-occicat.obs-banyuls.fr\/wp-content\/uploads\/woocommerce-placeholder.webp\")
<\/div>\n<\/div>Arabella coeca<\/div><\/div>Polychaete worm<\/p>\n<\/div>
<\/div><\/div><\/li>\n- \n\t\t\t\t
![\"Cirriforma_filigera3\"](\"https:\/\/alien-occicat.obs-banyuls.fr\/wp-content\/uploads\/2026\/08\/Cirriforma_filigera3-1.png\")
<\/div>\n<\/div>Cirriformia filigera<\/div><\/div>Polychaete worm<\/p>\n<\/div>
<\/div><\/div><\/li>\n- \n\t\t\t\t
![\"Desdemona-ornata5\"](\"https:\/\/alien-occicat.obs-banyuls.fr\/wp-content\/uploads\/2026\/08\/Desdemona-ornata5.png\")
<\/div>\n<\/div>Desdemona ornata<\/div><\/div>Polychaete worm<\/p>\n<\/div>
<\/div><\/div><\/li>\n- \n\t\t\t\t
![\"Dipolydora](\"https:\/\/alien-occicat.obs-banyuls.fr\/wp-content\/uploads\/2026\/08\/Dipolydora-socialis.png\")
<\/div>\n<\/div>Dipolydora socialis<\/div><\/div>Polychaete worm<\/p>\n<\/div>
<\/div><\/div><\/li>\n- \n\t\t\t\t
![\"Farfantepenaeus_aztecus-Ambre_Chabert3\"](\"https:\/\/alien-occicat.obs-banyuls.fr\/wp-content\/uploads\/2026\/07\/Farfantepenaeus_aztecus-Ambre_Chabert3-scaled.png\")
<\/div>\n<\/div><\/i>Farfantepenaeus aztecus<\/div><\/div>Brown shrimp<\/p>\n<\/div>
<\/div><\/div><\/li>\n- \n\t\t\t\t
![\"Grandidierella_japonica_male-3-cc\"](\"https:\/\/alien-occicat.obs-banyuls.fr\/wp-content\/uploads\/2026\/07\/Grandidierella_japonica_male-3-cc.png\")
<\/div>\n<\/div><\/i>Grandidierella japonicoides<\/div><\/div>Amphipod<\/p>\n<\/div>
<\/div><\/div><\/li>\n- \n\t\t\t\t
![\"Lysidice](\"https:\/\/alien-occicat.obs-banyuls.fr\/wp-content\/uploads\/2026\/08\/Lysidice-collaris3-scaled.png\")
<\/div>\n<\/div>Lysidice collaris<\/div><\/div>Polychaete worm<\/p>\n<\/div>
<\/div><\/div><\/li>\n<\/ul><\/div>1<\/span>2<\/a>Next<\/span><\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>Ascidiella aspersa<\/em>
\nMINKA \u00a9 xavi salvador costa CC BY-NC<\/p>\n<\/div><\/div><\/div><\/div><\/div>
Besides the coastal zone, this species can also be found in lagoons.<\/strong><\/p>\n<\/div><\/li><\/ul> Polychaete worm<\/p>\n<\/div> Polychaete worm<\/p>\n<\/div> Bivalve<\/p>\n<\/div> Polychaete worm<\/p>\n<\/div> Polychaete worm<\/p>\n<\/div> Polychaete worm<\/p>\n<\/div> Polychaete worm<\/p>\n<\/div> Brown shrimp<\/p>\n<\/div> Amphipod<\/p>\n<\/div> Polychaete worm<\/p>\n<\/div> Ascidiella aspersa<\/em><\/div>\n<\/div><\/i><\/div>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/i><\/div>\n<\/div><\/i><\/div>\n<\/div>
\nMINKA \u00a9 xavi salvador costa CC BY-NC<\/p>\n<\/div><\/div><\/div><\/div><\/div>
![\"Callinectes](\"https:\/\/alien-occicat.obs-banyuls.fr\/wp-content\/uploads\/2026\/07\/Callinectes-sapidus.png\" "\\"Callinectes")
<\/span><\/div>