NightCrawlers
Nightcrawlers are a favorite worm for fishermen. Many want to use these worms for composting scraps so they can later use them for fishing. There are many varieties: european (aka belgium), canadian, african and hybrids. But the question is, will they work for composting? The answer is yes, but not as well as
red wigglers.
Although they are a larger worm than the reds, see photo. The red wiggler is on top and the night crawler below. Both are full sized.

They simply do not eat as much as a red nor do they tolerate Texas temperatures like a red wiggler will. Night crawlers prefer 40-70 degrees. They like it cool. And these worms like to burrow, making top feeding difficult. In other words they are not suited for tradition worm bin composting.There are euro's (european night crawler), africans and canadian nightcrawlers. Research them before buying to make sure they are suited for your weather. I also get a lot of inquiries as to what worms are best to add to an existing lawn to improve the soil. My answer: NONE.I have literally refunded money and talked buyers out of worms for this purpose.Why not? This practice is backward. You should improve the soil FIRST, then the native worms will come. If you add worms to bad soil, they will promptly die. It will be a total waste of money. How do you improve the soil? First step is to have your soil tested at your local agricultural extension. That will give you a starting point. The you know what minerals are difficient. All yards will improve with the application of compost.
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