Dead non-native corals (Tubastraea coccinea) and their associated fauna trawled from the North Sea provide evidence for long-distance transport by hull fouling

Four large skeletons of the non-native Indo-Pacific coral Tubastraea coccinea Lesson, 1830 were trawled by a fishing boat in the Dutch part of the North Sea in October 2024. They had empty shells of a non-indigenous worm snail, probably Eualetes tulipa (Rousseau, 1843), attached to them. The corals...

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Vydané v:Marine pollution bulletin Ročník 215; číslo 117839; s. 117839
Hlavní autori: Hoeksema, Bert W., Taekema, Wiebe, Samimi-Namin, Kaveh
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: England Elsevier Ltd 01.06.2025
Predmet:
Animals
Anthozoa - physiology
Aruba
Atlantic
Barnacles
Baseline
Biofouling
boats
Brazil
Caribbean
Citizen science
corals
fauna
Invasive
marine pollution
museums
Non-indigenous
North Sea
oil and gas industry
Snails
species
temperature
travel
Tubastraea
Worm snails
North Sea
Brazil
Aruba
Caribbean
Citizen science
Barnacles
Non-indigenous
Baseline
Atlantic
Worm snails
Invasive
ISSN:0025-326X, 1879-3363, 1879-3363
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Shrnutí:Four large skeletons of the non-native Indo-Pacific coral Tubastraea coccinea Lesson, 1830 were trawled by a fishing boat in the Dutch part of the North Sea in October 2024. They had empty shells of a non-indigenous worm snail, probably Eualetes tulipa (Rousseau, 1843), attached to them. The corals had remnants of black ship-hull coating on their flat attachment base and resembled biofouling specimens found on semisubmersible platforms in the oil and gas industry. They were compared to museum specimens of T. coccinea from Aruba (Southern Caribbean), collected in 1955 from a metal substrate in a ship wharf, which were smaller but similar in shape and hosting a different worm snail species, Petalaconchus sp. Based on our present knowledge of Tubastraea corals and their associated fauna, it is most likely that the found North Sea corals were transported on a semi-submersible platform from Brazil, crossing at least 8000 km across the Atlantic before detaching and sinking. This finding demonstrates that hull-fouling Tubastraea can survive travel over large distances until reaching the minimum boundary of their temperature range. It also underlines the urgent need for effective defouling management of semisubmersible platforms. [Display omitted] •Dead Tubastraea corals trawled from the North Sea bottom arrived by hull biofouling.•The associated fauna of the corals consisted mainly of vermetid worm snails.•The corals and their associated fauna are considered invasives in the tropical Atlantic.•The biofouling community found in the North Sea is probably from Brazil.•There is a need for global defouling management of semisubmersible platforms.
Bibliografia:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0025-326X
1879-3363
1879-3363
DOI:10.1016/j.marpolbul.2025.117839