Pond Boss Forums STOCKING A NEW POND Raising Forage and Bait What's up with the scuds?

Hello.

It's the difference in size, in the river near me there are Gammarus fasciatus.

Here are some measurements, I don't know if they are very precise but it seems fair.

Gammarus Fasciatus 15mm
Azteca 5-8mm

The Gammarus Lacustris would be larger than the Fasciatus, but here he is in the St-Lawrence river.

Of course there are other differences, but I am not an expert.

What interest me is the size.
A+