Does everyone know an electric eel isn't an eel? Or a Moray for that matter? Its irrelevant. Facts are facts. Oft-times things are named for distinguishing features or characteristics reminiscent of different creatures. Whether a tiger fish looks like a cat is obvious... but it does have features reminiscent of a tiger. I personally think that Ctenolucius Hujeta is 'gar like' in appearance, so the common name is apt. Google the latin name and see what comes up. There are a whole host of common names, many incorporating the word gar.
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