Seachem Filter Sock Size:7X16 Males may be distinguished from

Males may be distinguished from females by their more-elongated first dorsal spine

The Arothron Dog Face Puffer

In each variety the males and females are both colored the same but those from the northern part of their range have lighter

Like its close relatives

VorTech pumps are designed by aquarists to be the gold standard for providing flow in marine aquariums

Seachem Filter Sock Size:7X16 Males may be distinguished fromBy catching and removing suspended dirt, debris and detritus, dissolved organics, nitrates, and phosphates will not be able to accumulate and build up harmful levels in the tank. The welded seams of the sock and plastic collar fits most standard sump fittings, making installation a breeze and ensuring a long, effective lifespan for the filter sock itself.