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Vongoles are found in southern coastal waters. They occur in the intertidal zone of shallow bays and estuaries. SA has three management zones, with one zone depleting, one undefined and one depleted. The stock in TAS is depleted. The WA stock is negligible.
Stock Status Overview
|Western Australia||Western Australia Vongole Fishery||Negligible|
Vongole (Katelysia spp.) is a species complex that inhabits southern coastal waters from Augusta in Western Australia to Port Jackson in New South Wales. They are found on sand banks in shallow bays and estuaries from the intertidal zone to a depth of 5 m [Cantin 2010]. Stock structure is unknown. However, given the short larval life span, ~16 days for K. rhytiphora hatchery animals [Gluis and Li 2014], it is likely that Vongole in individual bays would constitute separate stocks.
Due to the potential for there to be a large number of stocks, assessment of stock status is presented at the management unit level—Western Australian Vongole Fishery; Ansons Bay Vongole Fishery (Tasmania); Coffin Bay Cockle Fishing Zone, Port River Cockle Fishing Zone, and West Coast Cockle Fishing Zone (South Australia).
Western Australia Vongole Fishery
Stock status for the Western Australia management unit is reported as Negligible due to low catches by this jurisdiction. The Western Australian harvest was 0.1 tonnes (t) or less in 2004, 2005, 2012–2014 and 2017; and zero in other years. Low levels of fishing effort and thus fishing mortality are unlikely to be having a negative impact on the stock.
Vongole biology [Riley et al. 2005, Gorman et al. 2010, Dent et al. 2012]
|Species||Longevity / Maximum Size||Maturity (50 per cent)|
|VONGOLES||29 years, 55 mm SL||4 years, 23–31 mm SL * [*Note that differences in maturity (50 per cent) occur among species and locations]|
Active Vessels Vongole can be collected from beaches and bay on foot therefore, ‘vessels’ are not always used. Hence, numbers of licences and fishers are presented here instead of vessel numbers. Licences refer to the number of licence holders with an endorsement to take Vongole for sale.
- Cantin, A 2010, Population biology of two sympatric mud cockles, Katelysia peronii and K. scalarina (Bivalvia: Veneridae), with implications for their management, PhD thesis, Flinders University, Adelaide.
- Dent, J, Mayfield, S and Carroll, J 2016, Harvestable biomass of Katelysia spp. in the South Australian commercial Mud Cockle Fishery, Report to Primary Industries and Regions South Australia, Fisheries and Aquaculture, SARDI Publication F2014/000191-2, SARDI Research Report Series 898, SARDI, Adelaide.
- Dent, J, Mayfield, S, Burch, P, Gorman, D and Ward, TM 2012, Distribution, harvestable biomass and fisheries biology of Katelysia spp. in the South Australian commercial Mud-Cockle Fishery, Fishery assessment report for Primary Industries and Regions South Australia Fisheries and Aquaculture, SARDI Publication F2010/000263-2, SARDI Research Report Series 595, South Australian Research and Development Institute (Aquatic Sciences), Adelaide.
- Department of Primary Industries and Water 2007, Shellfish fishery policy document, Wild Fisheries Management Branch, DPIW, Hobart.
- Gluis, MR and Li, X 2014, Hatchery manual for larval rearing of Vongole Katelysia rhytiphora, Fisheries Research and Development Corporation Project 2009/208, South Australian Research and Development Institute (Aquatic Sciences), Adelaide.
- Gorman, D, Mayfield, S, Burch, P and Ward, TM 2010, Distribution, harvestable biomass and fisheries biology of Katelysia spp. In the South Australian commercial mud cockle fishery, Fishery assessment report for PIRSA Fisheries, SARDI Publication F2010/000263-1, SARDI Research Report Series 442, South Australian Research and Development Institute (Aquatic Sciences), Adelaide.
- Heldt, K and Mayfield, S 2020, Harvestable biomass of Katelysia spp. in the South Australian Vongole Fishery. Report to PIRSA Fisheries and Aquaculture (PDF 3.3 MB). South Australian Research and Development Institute (Aquatic Sciences), Adelaide. SARDI Publication Number. F2014/000191-2. SARDI Research Report Series No. 1060. 40pp
- Keane, JP and Gardner, C 2017, 2017 Small Bivalve Fishery assessment. Institute for Marine and Antarctic Studies Report, University of Tasmania, Hobart.
- Primary Industries and Regions South Australia 2013, Management plan for the South Australian Commercial Marine Scalefish Fishery, South Australian Fisheries Management Series: Paper 59, PIRSA, Adelaide.
- Riley, SP, Green, RM, Zacharin, W and Maguire, GB 2005, Growth models and age determination for the intertidal venerid clam Katelysia scalarina (Lamarck 1818) from three sites in Tasmania, Australia, Fisheries Research and Development Corporation Project 93/232, in GB Maguire (ed) Enhancing Tasmanian clam resources, FRDC, Tasmania.