anostomidae

So, about a month ago I visited Absolutely Fish in Newark, NJ. I have been there several times and have never been disappointed. Among several very cool fish, and the run of the mill, I spotted a fish they apparently were unaware they had (despite they being very knowledgeable). Unlabeled...

HEADSTANDERS are a loosely related group of South American ‘characins’, in two families (ANOSTOMIDAE and CHILODONTIDAE). Their name comes from the habit of frequently standing in near vertical position, and performing antics while feeding (sometimes upside down), hiding, or otherwise just...