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AquaNISInformation system on aquatic non-indigenous and cryptogenic species |
| Species | Moerisia inkermanica | |
| Date of the first record (?) | 2024 |
| Recipient region (?) | Country: Poland LME: 23. Baltic Sea References (not structured): Olenycz M., Kalarus M., 2025. First record of Moerisia cf. inkermanica Paltschikowa-Ostroumowa, 1925 (Hydrozoa, Moerisiidae) in the Gulf of Gdańsk (southern Baltic Sea). Oceanologia 67 (4). Comments: As many as 78 specimens of the size 2–12 mm were collected in August 2024. |
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| Source region (?) | Not entered |
| Pathway / Vector (?) | Level of certainty: Highly likely Pathway: Vessels Vector: (Possible) Ballast water Comments: The first record of the species in the Port of Gdańsk basins may suggest introduction via vessels, but spread via sea currents cannot be excluded. |
| Habitat type (?) | Ports References (not structured): Olenycz M., Kalarus M., 2025. First record of Moerisia cf. inkermanica Paltschikowa-Ostroumowa, 1925 (Hydrozoa, Moerisiidae) in the Gulf of Gdańsk (southern Baltic Sea). Oceanologia 67 (4). |
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| Wave exposure (?) | Not entered | |
| Salinity range (?) | Exact range: 6.7 - 6.8 References (not structured): Olenycz M., Kalarus M., 2025. First record of Moerisia cf. inkermanica Paltschikowa-Ostroumowa, 1925 (Hydrozoa, Moerisiidae) in the Gulf of Gdańsk (southern Baltic Sea). Oceanologia 67 (4). |
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| Temperature range (?) | Min: 21.4 Max: 21.7 References (not structured): Olenycz M., Kalarus M., 2025. First record of Moerisia cf. inkermanica Paltschikowa-Ostroumowa, 1925 (Hydrozoa, Moerisiidae) in the Gulf of Gdańsk (southern Baltic Sea). Oceanologia 67 (4). |
| Zonation / Substratum (?) | Not entered | |
| Reproductive duration (?) | Not entered | |
| Reproductive seasonality (?) | Not entered | |
| Migration pattern (?) | Not entered |
| Population status (?) | Unknown (Low level of certainty) | |
| Species status (?) | Non-indigenous species References (not structured): Olenycz M., Kalarus M., 2025. First record of Moerisia cf. inkermanica Paltschikowa-Ostroumowa, 1925 (Hydrozoa, Moerisiidae) in the Gulf of Gdańsk (southern Baltic Sea). Oceanologia 67 (4). |
| Created by | Monika Normant, 2025-12-15 |