Evidence of an unreported negative effect of fisheries discards on seabirds: death by choking on the Atlantic Midshipman, <i>Porichthys porosissimus</i>, in southern Brazil

Benemann, Victória Renata Fontoura; Krüger, Lucas; Valls, Fernanda Caminha Leal; Petry, Maria Virgı́nia

doi:10.1071/mu14106

Cited by 5 publications

(2 citation statements)

References 26 publications

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“…The only account in the literature regarding P. porosissimus spine puncture effects indicates intense and continuous pain, lasting about 2 hours (Lopes-Ferreira, et al, 2014), and a previous citation about this venom indicates arteriolar constriction, although no further details are given (Lane 1967). One study attributed the death of five procellariiform species -Atlantic Yellow-nosed Albatross (Thalassarche chlororhynchos), Cory's Shearwater (Calonectris diomedea), Sooty Shearwater (Ardenna grisea), Great Shearwater (Ardenna gravis) and Manx Shearwater (Puffinus puffinus), in southern Brazil to the ingestion of P. porosissimus and subsequent suffocation (Benemann et al 2016)we recorded five procellariiform species -Atlantic Yellow-nosed Albatross (Thalassarche chlororhynchos. The authors only briefly mention that the potential effect of P. porosissimus toxins might have contributed to the evaluated seabird deaths, and it is important to note that they observed only 22 cases during 6 years of surveys (63 surveys).…”

Section: Resultsmentioning

confidence: 99%

Brown booby (Sula leucosgaster) envenomation and death caused by toadfish (Porichthys porosissimus) ingestion in Southeastern Brazil

Hauser‐Davis¹,

Tadeu²,

Jerdy³

et al. 2021

Biota Neotrop.

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A case report of six brown booby (Sula leucogaster) envenomation following the ingestion of toadfish (Porichthys porosissimus) specimens in Rio de Janeiro, Southeastern Brazil is discussed herein. Several macroand microscopic pathological alterations were observed in the examined brown booby specimens, and rapid envenomation (<24 h) is suggested due to the digestion stage of the fish found in their gastrointestinal tracts. This is the first report to mention the death of adult and juvenile brown boobies due to envenomation by the toadfish P. porosissimus. Further studies assessing the role of discarded fish as a driving force of negative effects on seabirds, such as envenomations, for example, along the southeastern coast of Brazil are recommended.

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Section: Resultsmentioning

confidence: 99%

Brown booby (Sula leucosgaster) envenomation and death caused by toadfish (Porichthys porosissimus) ingestion in Southeastern Brazil

Hauser‐Davis¹,

Tadeu²,

Jerdy³

et al. 2021

Biota Neotrop.

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“…Following fishing vessels is considered a common behavior by seabirds, since many species are known to forage on fishery discards, which provides them effortless feeding resources (Tasker et al 2000, Bartumeus et al 2010, Benemann et al 2016. However, the presence of ships at sea may influence the spatial distribution of some vagrant bird species (Couve & Vidal 2003, Lees & Gilroy 2014, with cases reporting specimens found far from their known occurrence sites associated with those vessels (Gryz et al 2015).…”

Section: ____________________________________________________________mentioning

confidence: 99%

RECORD OF SHIP-ASSISTED DISPLACEMENT OF Chionis albus (GMELIN, 1789) (AVES: CHIONIDAE) FROM ANTARCTICA TO SOUTH AMERICA

et al. 2018

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Seabirds can use merchant, research and/or fishery vessels as a refuge to avoid extreme environmental conditions at sea during their migration seasons. Here we report the visualization of six individuals of the Snowy Sheathbill (Chionis albus; Charadriiformes, Chionidae) landed on a ship for about twenty-three hours in the Drake Passage, during its displacement from the South Shetland Islands, Antarctica, to Tierra del Fuego, confirming ship-assisted displacement by this species during its migration route.

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Trace elements in fragments of fishing net and other filamentous plastic litter from two beaches in SW England

Turner

2017

Environmental Pollution

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Filamentous plastic litter collected from two beaches in south west England has been characterized by FTIR and XRF. The majority of samples were constructed of polyethylene and consisted of twisted or braided strands of a variety of colours that appeared to be derived from commercial fishing nets. A number of different elements were detected among the samples but, from an environmental perspective, the regular occurrence of Cr and Pb and the occasional or isolated occurrence of Br, Cd and Se were of greatest concern. The highest total concentrations of Br (2420 μg g), Cd (1460 μg g), Cr (909 μg g), Pb (3770 μg g) and Se (240 μg g) were always encountered among orange samples and are attributed to the presence of lead chromates and cadmium sulphoselenide as colourants and to brominated compounds as flame retardants. Element bioaccessibility was evaluated by ICP-MS following an acidic extraction test that mimics the digestive tract of seabirds, with maximum values after a seven-day incubation period and relative to respective total concentrations of 0.2-0.4% for Cd, Cr and Pb and about 7% for Br. In addition to the well-documented impacts on wildlife through entrapment, filamentous plastic waste may act as a significant source of hazardous chemicals into the marine foodchain through ingestion.

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Evidence of an unreported negative effect of fisheries discards on seabirds: death by choking on the Atlantic Midshipman, Porichthys porosissimus, in southern Brazil

Cited by 5 publications

References 26 publications

Brown booby (Sula leucosgaster) envenomation and death caused by toadfish (Porichthys porosissimus) ingestion in Southeastern Brazil

Brown booby (Sula leucosgaster) envenomation and death caused by toadfish (Porichthys porosissimus) ingestion in Southeastern Brazil

RECORD OF SHIP-ASSISTED DISPLACEMENT OF Chionis albus (GMELIN, 1789) (AVES: CHIONIDAE) FROM ANTARCTICA TO SOUTH AMERICA

Trace elements in fragments of fishing net and other filamentous plastic litter from two beaches in SW England

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