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Open AccessFeature PaperCommunication

First Record of the Nudibranch Tenellia adspersa (Nordmann, 1845) in Portugal, Associated with the Invasive Hydrozoan Cordylophora caspia (Pallas, 1771)

CCMAR–Centre of Marine Sciences, University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
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Diversity 2020, 12(6), 214; https://doi.org/10.3390/d12060214
Received: 13 May 2020 / Revised: 25 May 2020 / Accepted: 26 May 2020 / Published: 28 May 2020
(This article belongs to the Section Marine Diversity)
The estuarine nudibranch Tenellia adspersa (Nordmann, 1845) was recorded for the first time in Portugal, while sampling for fouling fauna of artificial structures along the salinity gradient of the Guadiana estuary (SW Iberian Peninsula). Two specimens were found in association with the invasive hydrozoan Cordylophora caspia (Pallas, 1771) and kept in the laboratory for taxonomy purposes. After two days, batches of eggs were seen in C. caspia branches, while the nudibranchs were also actively feeding on the hydrozoan polyps. The fast generation times of T. adspersa, along with its food preference for C. caspia, might suggest a positive role of the nudibranch on controlling this invasive hydrozoan in the Guadiana estuary. Introduction routes and facilitation interactions are discussed. View Full-Text
Keywords: Heterobranchia; nudibranch; sea slug; Tenellia; Portugal; estuarine; facilitation; invasive species; biological control Heterobranchia; nudibranch; sea slug; Tenellia; Portugal; estuarine; facilitation; invasive species; biological control
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MDPI and ACS Style

Encarnação, J.; Seyer, T.; Teodósio, M.A.; Leitão, F. First Record of the Nudibranch Tenellia adspersa (Nordmann, 1845) in Portugal, Associated with the Invasive Hydrozoan Cordylophora caspia (Pallas, 1771). Diversity 2020, 12, 214. https://doi.org/10.3390/d12060214

AMA Style

Encarnação J, Seyer T, Teodósio MA, Leitão F. First Record of the Nudibranch Tenellia adspersa (Nordmann, 1845) in Portugal, Associated with the Invasive Hydrozoan Cordylophora caspia (Pallas, 1771). Diversity. 2020; 12(6):214. https://doi.org/10.3390/d12060214

Chicago/Turabian Style

Encarnação, João; Seyer, Thomas; Teodósio, Maria A.; Leitão, Francisco. 2020. "First Record of the Nudibranch Tenellia adspersa (Nordmann, 1845) in Portugal, Associated with the Invasive Hydrozoan Cordylophora caspia (Pallas, 1771)" Diversity 12, no. 6: 214. https://doi.org/10.3390/d12060214

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