 The "gigantism" of some Baikal amphipods, which has been compared to that seen in Antarctic amphipods, has been linked to the high level of dissolved oxygen in the lake.Among the "giants" are several species of spiny "Acanthogammarus" and "Brachyuropus" (Acanthogammaridae) found at both shallow and deep depths.These conspicuous and common amphipods are essentially carnivores (will also take detritus), and can reach a body length up to .