freshwater pearl

Also found in: Wikipedia.

fresh′water pearl′

any of the small pearls produced esp. by freshwater mussels.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
There is fresh hope for the future of a rare freshwater pearl mussel after a new discovery in the north.
LARGE boulders will this year be hauled into a river that is one of the last Welsh strongholds for the freshwater pearl mussel.
It is also not keeping up its expected levels of freshwater pearl mussels.
A [euro]10MILLION scheme to protect Irish freshwater pearl mussels was launched by the Marine Minister yesterday.
SCOTLAND'S wildlife - including Atlantic salmon, the capercaillie and the freshwater pearl mussel, - could be at risk from climate change, a report warns.
This includes hand-rearing one of the UK's most endangered species, the freshwater pearl mussel.
The freshwater pearl mussel is critically endangered in Wales.
Our winners will receive a beautiful freshwater pearl and white topaz necklace, crafted from sterling silver, paired with an Akoya pearl ring.
On Thursday, the largest freshwater pearl in the world will find a new owner as it goes on sale at auction in the Netherlands.
Whatever her style, you'll find a pretty gift here 1 PEARLY QUEEN If she loves her jewellery, your mum will treasure this silver and freshwater pearl heart T-bar bracelet, PS65 at Beaverbrooks 2 TIME FOR TEA Make mum a cup of tea in bed using this pretty floral two-mug teapot, PS39.95, Daisy Park, 3 RAMBLING ROSES This dressing gown will brighten up the dullest of mornings, PS9.99, 4 PETAL POWER Wrap her up in love with this poppy print scarf and help raise money for the Royal British Legion, PS12.99, 5 ON THE MONEY You have probably dipped into it often enough so treat her to a new purse, PS35, White Stuff, 6 SUPER BUY All mums are wonder women so these Wonder Woman mum and daughter PJ sets make great gifts.
She started to research what had happened to Scotland's once booming freshwater pearl mussel population and the people who had made their living fishing for pearls.