These are young, 5-15mm in size as these adapt to new tanks better than old ones.Great for cleaning up leftover fish food, algae, and other fresh water aquarium waste.As pictured.  Many are goldenback but not all, some are  plain yellow.We generally send smaller ones as these adapt to new tanks better than older/larger ones. They should grow to full size within a few weeks.  If you want larger ones to stop your fish eating them, just let me know when you order, and I will try to provide bigg...

These are young, 5-15mm in size as these adapt to new tanks better than old ones.Great for cleaning up leftover fish food, algae, and other fresh water aquarium waste.As pictured.  Many are goldenback but not all, some are  plain yellow.We generally send smaller ones as these adapt to new tanks better than older/larger ones. They should grow to full size within a few weeks.  If you want larger ones to stop your fish eating them, just let me know when you order, and I will try to provide bigg...

These are young, 5-15mm in size as these adapt to new tanks better than old ones.Great for cleaning up leftover fish food, algae, and other fresh water aquarium waste.As pictured.  Many are goldenback but not all, some are  plain yellow.We generally send smaller ones as these adapt to new tanks better than older/larger ones. They should grow to full size within a few weeks.  If you want larger ones to stop your fish eating them, just let me know when you order, and I will try to provide bigg...

These are young, 5-15mm in size as these adapt to new tanks better than old ones.Great for cleaning up leftover fish food, algae, and other fresh water aquarium waste.As pictured.  Many are goldenback but not all, some are  plain yellow.We generally send smaller ones as these adapt to new tanks better than older/larger ones. They should grow to full size within a few weeks.  If you want larger ones to stop your fish eating them, just let me know when you order, and I will try to provide bigg...