Often called "sideswimmers" or River Shrimp / Gammarus Pulexhttps://www.naturespot.org/species/freshwater-shrimpSelling 35 for 10, comes with lots of extras, free extra Scuds in case DOA, as Live Food, or Detritus Cleaner/ Cleanup Crew for SubstrateArea Canterbury for Collection or Delivery within the UKContact for payment info first! (Wise (Credit/ Debit available) or Bank Trasnfer)