Impact of dissolved/dispersed oil from a spill event on the development of embryos of the snapping shrimp Alpheus estuariensis (Caridea: Alpheidae)

This study characterized polycyclic aromatic hydrocarbons (PAHs) in oil pellets stranded at Fernando de Noronha Archipelago, equatorial Atlantic. It also characterized PAHs dissolved/dispersed in seawater (i.e. water accommodated fraction - WAF) and used them for investigating toxic effects on embry...

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Bibliographic Details
Published in:Marine pollution bulletin 2024-12, Vol.209 (Pt A), p.117164, Article 117164
Main Authors: Rios, Aline Santos, Yogui, Gilvan Takeshi, Müller, Marius Nils, Almeida, Alexandre Oliveira, Souza-Filho, Jesser F.
Format: Article
Language:English
Subjects:
Animals
Embryo, Nonmammalian - drug effects
Environmental Monitoring
Experiment
Mangrove
Oil spill
Ovigerous female
PAH
Petroleum - toxicity
Petroleum Pollution
Polycyclic Aromatic Hydrocarbons - toxicity
Seawater - chemistry
Water Pollutants, Chemical - toxicity
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Summary:This study characterized polycyclic aromatic hydrocarbons (PAHs) in oil pellets stranded at Fernando de Noronha Archipelago, equatorial Atlantic. It also characterized PAHs dissolved/dispersed in seawater (i.e. water accommodated fraction - WAF) and used them for investigating toxic effects on embryos of the snapping shrimp Alpheus estuariensis. In the experiment, WAF was diluted to six concentrations – 0 %, 20 %, 40 %, 60 %, 80 % and 100 %. A total of 28 embryonated eggs were exposed to each dilution for 7 days under controlled conditions. Daily, four embryos from each treatment were removed for a detailed examination. Among the 16 priority PAHs, 12 of them were detected in the samples. There was a statistically significant correlation concerning embryo mortality over time across all dilutions, except for the control (0 % WAF). It can be concluded that embryo development is affected by increasing WAF concentration and exposure time. These results demonstrate that WAF directly affects larval development and cause significant mortality after one day of exposure. •Experiment on crude oil•High mortality in Alpheus estuariensis embryos on the Brazilian coast•Spill in the Fernando de Noronha archipelago•LC50 % above expectations•Even at low concentrations, oil affects animals in the early stages of life.
ISSN:0025-326X
1879-3363
1879-3363
DOI:10.1016/j.marpolbul.2024.117164