https://vital.seals.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 Do environmental factors influence the movement of estuarine fish? A case study using acoustic telemetry https://vital.seals.ac.za/vital/access/manager/Repository/vital:6772 Wed 07 Jul 2021 13:34:53 SAST ]]> Implantation, orientation and validation of a commercially produced heart-rate logger for use in a perciform teleost fish: https://vital.seals.ac.za/vital/access/manager/Repository/vital:38744 Tue 18 Jul 2023 22:27:04 SAST ]]> Quantifying the impacts of abrasion and bacterial transfer when fish are exposed to sand during a catch-and-release event: https://vital.seals.ac.za/vital/access/manager/Repository/vital:40445 Thu 16 Nov 2023 06:56:00 SAST ]]> Estuarine use by spotted grunter Pomadasys commersonnii in a South African estuary, as determined by acoustic telemetry https://vital.seals.ac.za/vital/access/manager/Repository/vital:35612 Thu 13 May 2021 01:49:25 SAST ]]> Estuarine-dependency and multiple habitat use by dusky kob Argyrosomus Japonicus (Pisces: Sciaenidae) https://vital.seals.ac.za/vital/access/manager/Repository/vital:5386 Thu 13 May 2021 01:05:30 SAST ]]> Movement patterns of spotted grunter, Pomadasys commersonnii (Haemulidae), in a highly turbid South African estuary https://vital.seals.ac.za/vital/access/manager/Repository/vital:5304 450 mm TL) occupied larger home ranges (mean size = 218 435 m²) with numerous core areas. The home ranges of small and large spotted grunter overlapped considerably yielding evidence of two high use areas, situated 1.2 km and 7 km from the mouth of the Great Fish Estuary. Tagged spotted grunter were located in a wide range of salinity, turbidity and temperature, but were found to avoid temperatures below 16 ºC. The daily change in environmental variables (salinity, temperature and turbidity) had a significant effect on the change in fish position in the estuary (p < 0.0001; R² = 0.38). The distribution of tagged spotted grunter, particularly the larger individuals, in the Great Fish Estuary was influenced by the tidal phase (p < 0.05); they moved upriver on the incoming tide and downriver on the outgoing tide. This study provides an understanding of the movement patterns of spotted grunter in the estuary and between the estuarine and marine environments. Consequently, it provides information that will assist in the design of a management plan to promote sustainability of this important fishery species. The techniques used and developed in this study also have direct application for further studies on other important estuarinedependent fishery species.]]> Thu 13 May 2021 00:10:25 SAST ]]> Evidence for protandry in Polydactylus quadrifilis in the Kwanza Estuary, Angola, and its implications for local fisheries https://vital.seals.ac.za/vital/access/manager/Repository/vital:35614 Mon 15 Aug 2022 16:07:39 SAST ]]> Evaluating the effects of catch-and-release angling on Cape stumpnose Rhabdosargus holubi in a South African estuary https://vital.seals.ac.za/vital/access/manager/Repository/vital:35613 Mon 15 Aug 2022 16:06:28 SAST ]]> Should I stay or should I go?: Intra-population variability in movement behaviour of wide-ranging and resident coastal fishes https://vital.seals.ac.za/vital/access/manager/Repository/vital:40170 Mon 15 Aug 2022 16:05:47 SAST ]]> Can fishing tourism contribute to conservation and sustainability via ecotourism?: a case study of the Fishery for Giant African Threadfin Polydactylus quadrifilis on the Kwanza Estuary, Angola https://vital.seals.ac.za/vital/access/manager/Repository/vital:38819 Mon 15 Aug 2022 16:04:00 SAST ]]>