Multiple substrates chosen in mass in situ egg deposition by Drupella in Mauritius, a first record for the western Indian Ocean

Kaullysing, Deepeeka; Mehrotra, Rahul; Arnold, Spencer; Ramah, Sundy; Allchurch, Alyssa; Haskin, Elouise; Taleb-Hossenkhan, Nawsheen; Bhagooli, Ranjeet

doi:10.1093/mollus/eyaa023

Cited by 3 publications

(2 citation statements)

References 16 publications

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“…In the southern hemisphere, peak spawning is December, in the northern hemisphere it is June. Observations at Rottnest Island, Australia over two consecutive summers (2020)(2021)(2022) found D. cornus laid egg capsules during local summer (January-March) (Haslam et al, 2023). Furthermore, large juvenile aggregations were discovered at Albion, Mauritius in June 2010, supporting reproduction during southern summer (Pillay et al, 2011).…”

Section: Reproduction Of Drupella Sppmentioning

confidence: 99%

The outbreak of Drupella snails and its catastrophic effects on coral reefs: a comprehensive review

Zhang,

Jia,

Lin

et al. 2024

Front. Mar. Sci.

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The recurring outbreaks of Drupella snails are a significant threat to coral reef ecosystems on a global scale. However, research on Drupella snails is currently very fragmentary. This article explores the ecological impacts and mitigation methods of Drupella snails and its outbreaks, and draws the following main conclusions. 1) Drupella snails inhabit the tropical oceans of the Indo-Pacific, utilizing their specialized radula to feed on coral polyps, and they predominantly spawn during summer, attaching egg capsules onto coral skeletons. 2) An outbreak of Drupella snails is defined by a density of > 2 ind/m2, but large aggregations alone do not necessarily indicate an outbreak. 3) The damage of coral reef ecosystem is the primary cause of Drupella snail outbreaks, with the hypotheses of “terrestrial nutrient input” and “overfishing of predator” being widely accepted but not fully explaining all outbreak events. 4) Countering Drupella snail outbreaks involves improving the health of coral reef ecosystems, protected areas, biological control and manual removal, though manual removal is the most direct and effective in short-term. 5) The understanding of the physiological and ecological characteristics of Drupella snails is inadequate at present, with larval development and population ecology being areas of particular under-investigation. 6) Studies of Drupella snail outbreaks have focused mainly on mid-outbreak stages, with little attention to early warnings beforehand or adverse outcomes afterwards. Despite significant challenges, addressing knowledge gaps in the biology of Drupella snails is crucial to determine the true causes of their outbreaks and identify corresponding solutions.

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Section: Reproduction Of Drupella Sppmentioning

confidence: 99%

The outbreak of Drupella snails and its catastrophic effects on coral reefs: a comprehensive review

Zhang,

Jia,

Lin

et al. 2024

Front. Mar. Sci.

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“…Depth is also an important factor in the distribution of WSD, with a reduction of 89% and 43% in live coral cover at 5 m and 20 m, respectively, associated with WSD (Hobbs et al, 2015). WSD on Acropora corals have been commonly reported from depth ranges of 5 m (Hobbs et al, 2015;Hobbs and Frisch, 2010), 4-6 m (Roff et al, 2011), and 20 m (Hobbs et al, It is also worth highlighting that corallivorous gastropods generally feed on Acroporids in large masses (high density aggregations) (Bruckner et al, 2017;Kaullysing et al, 2017;Kaullysing et al, 2020). For instance, the corallivorous gastropods Drupella are attracted to other Drupella individuals forming an aggregation to feed over corals (Cumming, 2009a;2009b).…”

mentioning

confidence: 99%

First report of White Syndrome Disease on branching Acropora at Saya de Malha, Mascarene Plateau

Bhagooli

JOGEE

Kaullysing

et al. 2022

West. Ind. Oc. J. Mar. Sci.

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Coral reef collapse in South-Central Vietnam: a consequence of multiple negative effects

Tkachenko

Dung

et al. 2022

Aquat Ecol

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Multiple substrates chosen in mass in situ egg deposition by Drupella in Mauritius, a first record for the western Indian Ocean

Cited by 3 publications

References 16 publications

The outbreak of Drupella snails and its catastrophic effects on coral reefs: a comprehensive review

The outbreak of Drupella snails and its catastrophic effects on coral reefs: a comprehensive review

First report of White Syndrome Disease on branching Acropora at Saya de Malha, Mascarene Plateau

Coral reef collapse in South-Central Vietnam: a consequence of multiple negative effects

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