Swan Mussels. All rights reserved. Shell is buff or light brown in colour. As they prefer slightly acidic water conditions, their umbo (where the two shell valves attach together) is often severely eroded. ( Linnaeus, 1758) The swan mussel, Anodonta cygnea, is a large species of freshwater mussel, an aquatic bivalve mollusc in the family Unionidae, the river mussels. Freshwater pearl mussels are incredibly rare and only exist in a few river systems in the UK. Of the several species of freshwater Mussel native to the British Isles the Swan Mussel is the most commonly sold in aquatic retail outlets. Freshwater pearl mussels Margaritifera margaritifera are abundant in the River South Esk, representing the south-eastern range of the species in Scotland. Because of its morphological variability and its wide range of distribution, there are over 500 synonyms for this species. Yes yes yes.These were a great buy.Fast posting and very kind staff. Verified purchase: Yes. There is some contention as to whether these molluscs need moving, and highly aerated water, as they are generally found in streams, and rivers. by albytrotter05 25 Oct, 2017. These molluscs are not easy to keep, since they are filter feeders. Comments for Tiny pearls found in Swan Mussel, UK. Freshwater pearl mussels live in clean, fast-flowing rivers across northern England, Shropshire and Devon. Suitable for medium ponds that have plenty of natural wildlife & organisms and plant remnants harbouring various bugs etc.. We currently do not ship this product to Scottish Highlands and islands, Isle of Man, Channel Islands, Isle of Scilly and Northern Ireland. Home Delivery. Live in & around mud on the pond floor where they feed on very small particles of decaying vegetation & small live food.They are known as a filter feeder as they feed on the algae. It is actually illegal to even handle them without a licence let alone dine on them. The Swan Mussel, Anadonta cygnea, is larger and the hinge margin is parallel to the mid-axis. We have one of the largest selections of cold water and native fish in the UK available for delivery to your door, Meadow Farm Fishery Green Street East Worldham Alton Hampshire GU343AU, 07872 926 344 office@dcfreshwaterfish.co.uk, ©2020 DC Freshwater Fish. © World of Water Aquatic Centres | Site by Intercea, ALL Stores REMAIN OPEN as usual | Please Read our, Eleocharis acicularis - Needle spike - Rush. Medium sized species of freshwater mussel. Depending on how big your tank is i would only put in about 3 or 4 mussels to start with as they are quite big. Purchase mussels alive, making sure the shells are closed and not chipped. These attractive molluscs are filter feeders, feeding off debris, daphnia, and other small pond organisms. These are freshwater mussels, of which there are six species in Britain. Yes you can keep freshwater swan mussels in the same tank as goldfish. Click here to add your own comments. Swan Mussels can reach an adult size of 15 cm - 6", and can live up to 12 years if kept correctly. Average Rating . The freshwater pearl mussels of the Lake District have a perilous start to life. Widespread across Central Europe and the UK. on online orders over £49.99 (excludes selected items), Current expected delivery times are published on each product. There are actually five different types of fresh water mussel that live in lowland rivers on British shores, and one which lives in upland rivers which is the pearl mussel. THE SWAN MUSSEL. At DC Freshwater Fish we take pride in all the fish we produce. They will co-occur with the other large mussel species in these habitats but are never found in ponds and lakes where both of the other species can be found. pH: 6.5-8.0, Temperature: Cold water-temperate between 2-25 deg C (34-82 deg F). The shell of this freshwater Swan Mussel (Anodonta cygnea) was found surprisingly at low tide amongst the rockpools on Swanpool Beach, Falmouth on the seaward side of the Swanpool freshwater nature reserve.A small whole drilled into it suggests it was eaten by a Dog Whelk (Nucella lapillus) which are plentiful on the rocks around the pools at low tide. They don't appear to have bred this spring. 1 per m². Swan mussels do require a firm substrate at the bottom of the pond or aquarium as they like to part bury themselves. Table 1. Approx shell length 10cm. Swan mussels. On top of this, these populations are in serious decline and are not thought to have bred successfully since the 1960s. Because they will find food naturally in the pond they don’t need feeding and can be left to their own devices. The mussel’s over-exploitation for centuries is the primary reason for the massive historic decline in its numbers and range. Download this stock image: Freshwater Swan mussel, Anodonta cygnea UK - BXCA0R from Alamy's library of millions of high resolution stock photos, illustrations and vectors. Buy freshwater mussels from a source that harvests them legally and from unpolluted waters. Margaritifera . Discounts will be applied at Checkout, Preferred Water Conditions: Will acclimatize to a wide range of conditions. Anodonta cygnea . I have about 6 of these in my fish pond and they are doing well in keeping the water clean as they are filter feeders. The two can also be distinguished by looking at the posterior (pointed end) adductor muscle scar. Discard any open or chipped mussels. Depressed River Mussels are only ever found in large running water habitats; large lowland rivers, large ditches and canals. Care: One of the largest fresh water mussels, these can grow to 25cm. Please note: Some prices will vary, and some percentages will vary, these are a rough guide. It buries itself in silt or mud as deep as twenty metres and it extends two ‘siphons’ which are tube-like organs that can take water in … Swan mussels. The freshwater pearl mussel (Margaritifera margaritifera) is an endangered species of freshwater mussel, an aquatic bivalve mollusc in the family Margaritiferidae. The pearl mussel population is most abundant in the middle reaches of the river where they attain densities > 20 m 2 . When exposed to air, mussels close their shells; thus any air-exposed open mussel is dead. Freshwater Swan mussel, Anodonta cygnea UK. This being said, it is not uncommon to find them in lakes, and other still water environments. Filter feed on Algae. Mussel Care: In the Swan Mussel, the scar is joined to the pedal retractor scar by a narrow isthmus, whereas in the Duck Mussel these two scars are completely merged. by beverhorn 28 Jun, 2017. Shell is buff or light brown in colour. Medium sized species of freshwater mussel. Here they burrow into the mud with just the siphon tips exposed. Approximately sized 10-20cm, they sit at the bottom of the water feeding on particles of decaying vegetation and small live foods. Live in & around mud on the pond floor where they feed on very small particles of decaying vegetation & small live food.They are known as a … I do hope that helps you out. When exposed to air, mussels close their shells; thus any air-exposed open mussel is dead. When we were on the south coast a few weeks ago near a rocky area we were amazed to find seagulls with mussels in their beaks dropping them on the shingle beach and then swooping down to pick out the innards after the shell had been smashed. The Swan Mussel is found in large ponds, lakes and slow moving water such as canals. VAT Number 353 5634 93. Freshwater pearl mussels (Margaritifera margaritifera) were formerly widespread in England and Wales, but currently, the only remaining populations in Southern England are on the Taw and the Torridge, and in very low numbers. It can be found in lakes, canals and slow-flowing rivers. Sometimes Swan mussels can be seen with a tongue like body emerging from the shell, they use this to move around or to bury themselves. Adult mussels have a robust, brown-black shell of elongate elliptical shape with a concave ventral margin. Swan mussels are a relatively large species of freshwater mussel with shells that feature a pale green and brown colour. Maximum stocking 1 per cubic metre . Swan mussels do require a firm substrate at the bottom of the pond or aquarium as they like to part bury themselves. Diversity of UK freshwater mussels and their IUCN status. Found in both rivers and lakes in the UK they are filter feeders, drawing in up to 10 litres of water a day. Freshwater pearl mussels are rare in Scotland, mainly due to ongoing, illegal pearl fishing, poor water quality and habitat damage. Painter mussels. Swan Mussels. Pearl Mussels by contrast live in fast flowing water, amongst rocks where they attach themselves inside cracks, crevices and gravels with the siphons exposed. Bitterling (Rhodeus sericeus, Rhodeus amarus) next to Painters Mussel (Unio pictorum Pollicepes pictorum) Swan Mussel - Anodonta cygnaea. Verified purchase: Yes. Several of the large freshwater mussels look similar and can be easily confused, particularly with smaller specimens. Buy freshwater mussels from a source that harvests them legally and from unpolluted waters. The Duck Mussel, Anadonta anatina, is the closest in size and shape, but this has a dorsal margin that slopes over the hinge, whereas the Swan Mussel, Anadonta cygnea, is generally flat over the hinge giving it a rectangular look. Zebra mussel ... Swan mussels on the muddy bottom of a Jura lake (France). Found in both rivers and lakes in the UK they are filter feeders, drawing in up to 10 litres of water a day. Swan mussel LC Yes . Only logged in customers who have purchased this product may leave a review. I've never heard any negatives regarding keeping Swan Mussels in ponds (UK). Website by Paradox Digital, Coronavirus: Your orders from DC Freshwater Fish. Mine are all alive, however, it did cross my mind that if I want an algae free pond and I use products to aid in this matter, the Swan Mussels will loose out on food. Quagga mussels could do untold damage to freshwater and estuarine environments if they are allowed to spread which could have a significant impact on marine and freshwater fish stocks. This item maybe purchased and collected from your nearest store. The Swan Mussel is a freshwater ‘bivalve’ mussel which means it has a soft body that is enclosed in two hinged shells. Approx shell length 10cm. This and all future requests should be directed to this URI. 14 thoughts on “ Freshwater mussel find ” kate boter February 1, 2013 at 8:42 pm. Swan Mussels are a lovely addition to garden ponds. Duck mussel LC Yes . Natural shells background. re: swan mussels Post by Riverdown » September 29th, 2009, 12:04 pm I read in a water wildlife book once, that swan mussels when they spawn produce 'thingys' can't remember technical term) which latch onto fish & live in cysts until they fall off. the UK Biodiversity Steering Group, a national Species Action Plan has been prepared to encourage measures for its survival. Purchase mussels alive, making sure the shells are closed and not chipped. Swan Mussels (Anodonta cygnea) Feeding off pond debris and other small pond organisms, these native large molluscs will help filter debris from your pond and clean the water as they do so. Anodonta cygnea. Species Common Status Native . Swan Mussels can reach an adult size of 15 cm - 6", and can live up to 12 years if kept correctly. Care: One of the largest fresh water mussels, these can grow to 25cm. Thay are very good for my pond because thay fillter the pond water like them thanks. Dear Dave C and others, please be aware that freshwater mussels in the Wye are a precious resource and conservationists have been fighting to protect them. Anodonta anatina . We currently do not ship this product to Scottish Highlands and islands, … Suitable for medium to large ponds and lakes (or 1 mussel per cubic metre of water) as they can grown to 17cm by 9cm in size. They are cold blooded though and need very little to survive. The family Margaritiferidae excludes selected items ), Current expected delivery times are published on product. Numbers and range, poor water quality and habitat damage feature a pale green and brown colour colour! 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