Search Results - "Smale, M. J"
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Winter diet shift of long-beaked common dolphins (Delphinus capensis) feeding in the sardine run off KwaZulu-Natal, South Africa
Published in Marine biology (01-07-2013)“…Unpredictable inter-annual variations in the timing, spatial extent and intensity of the sardine run ( Sardinops sagax ) have been documented in recent years…”
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2
Intra-annual variation in the foraging ecology of the endangered endemic Barau’s Petrel (Pterodroma baraui) from Réunion Island, south-western Indian Ocean: insights from a multifaceted approach
Published in Marine biology (2016)“…Population modelling for one of Réunion Island’s endemic seabirds, the Barau’s Petrel (Pterodroma baraui), has highlighted its vulnerability to extinction…”
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3
Highly conserved tooth morphology in allopatric elasmobranch populations despite contrasting diets—a case of Triakis megalopterus in southern Africa
Published in Environmental biology of fishes (01-07-2022)“…The role dentition plays in shaping feeding patterns has significant consequences for understanding the evolution of shark feeding. Despite this, research has…”
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4
Cephalopods as Prey. IV. Fishes
Published in Philosophical transactions of the Royal Society of London. Series B. Biological sciences (29-08-1996)“…Predatory fishes that consume cephalopods have broad spectrum diets that include other groups, such as fishes and crustaceans. Extremely few fish predators…”
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5
Caudal differential pressure as a predictor of swimming speed of cod (Gadus morhua)
Published in Journal of experimental biology (15-10-2001)“…We report the results of an experiment designed to investigate the feasibility of using differential pressure to estimate the swimming speed and metabolic rate…”
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Feeding ecology of silky sharks Carcharhinus falciformis associated with floating objects in the western Indian Ocean
Published in Journal of fish biology (01-04-2017)“…The silky shark Carcharhinus falciformis is commonly associated with floating objects, including fish aggregating devices (FADs), in the Indian Ocean. While…”
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7
Fear at the top: killer whale predation drives white shark absence at South Africa's largest aggregation site
Published in African journal of marine science (03-04-2022)“…Risk-induced fear effects exerted by top predators are pervasive in terrestrial and marine systems, with lasting impacts on ecosystem structure and function…”
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8
Movement and growth of the spotted gully shark Triakis megalopterus in South African waters
Published in African journal of marine science (02-04-2024)“…The movement and growth of spotted gully sharks Triakis megalopterus (family Triakidae) along the coast of South Africa were investigated using external dart…”
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Further insights into killer whales Orcinus orca preying on white sharks Carcharodon carcharias in South Africa
Published in African journal of marine science (02-01-2024)“…Photography and video footage, captured by researchers and tourists on board two vessels, provided insights into the predation techniques employed by an adult…”
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10
Choreography of the Squid's "Nuptial Dance"
Published in The Biological bulletin (Lancaster) (01-04-1997)“…A mass spawning of squid resembles, at first glance, a chaotic "nuptial dance" (1). But for the first time, we have applied 3-D, radio-linked acoustic…”
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Behavioural interactions of predators and spawning chokka squid off South Africa: towards quantification
Published in Marine biology (01-12-2001)“…The interaction of a suit of predators with mating and spawning chokka squid was studied at inshore spawning grounds off South Africa. The first detailed…”
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Sharks caught in the KwaZulu-Natal bather protection programme, South Africa. 14. The smooth hammerhead shark Sphyrna zygaena (Linnaeus)
Published in African journal of marine science (03-04-2018)“…The current study provides long-term catch-rate, biological and feeding data for smooth hammerhead sharks, Sphyrna zygaena, caught in South Africa's…”
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13
Fifty-five-year longevity for the largest member of the family Sparidae: the endemic red steenbras Petrus rupestris from South Africa
Published in African journal of marine science (02-10-2018)“…A previous study that explored the age and growth of red steenbras Petrus rupestris (Valenciennes, 1830), a large sparid (family Sparidae, seabreams or…”
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14
The location of spawning grounds, spawning and schooling behaviour of the squid Loligo vulgaris reynaudii (Cephalopoda:Myopsida) off the eastern cape coast, South Africa
Published in Marine biology (01-09-1992)“…The location of spawning grounds of the squid was investigated in the years 1988-90. The substrate chosen for egg laying was mostly fine sand or flat reef…”
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15
A snapshot assessment of the diet of Cape fur seals Arctocephalus pusillus pusillus at Ilha dos Tigres, Angola
Published in African journal of marine science (17-12-2019)“…The population of Cape fur seal Arctocephalus pusillus pusillus at Ilha dos Tigres off the coast of southern Angola is expanding. Until now the only available…”
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Evaluation of an underwater biopsy probe for collecting tissue samples from bull sharks Carcharhinus leucas
Published in African journal of marine science (01-03-2013)“…This study evaluated the use of a novel underwater biopsy probe designed to collect muscle and dermal tissue samples from large (170-220 cm total length),…”
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Seasonality, behaviour and philopatry of spotted ragged‑tooth sharks Carcharias taurus in Eastern Cape nursery areas, South Africa
Published in African journal of marine science (03-04-2015)“…Spotted ragged‑tooth sharks Carcharias taurus occur along the southern and eastern coasts of South Africa. We report on movements of juveniles and adults…”
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18
Design and calibration of an acoustic telemetry system subject to upwelling events
Published in African journal of marine science (01-12-2009)“…The experiments described were designed to calibrate a hexagonal array of VEMCO VR2 receivers and transmitters (model V9P-6L-S256) in isothermal and stratified…”
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Trophic investigations of Cape fur seals at the easternmost extreme of their distribution
Published in African journal of marine science (03-07-2014)“…The diet of Cape fur seals Arctocephalus pusillus pusillus in the eastern portion of their distribution has received little attention previously, and was…”
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Factors affecting recapture rates of raggedtooth sharks Carcharias taurus tagged off the east coast of South Africa
Published in African journal of marine science (01-12-2009)“…Understanding differences in the recapture rate between different tags (A-, B- and C-types), capture methods (rock-and-surf anglers, scientific divers and…”
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