Violet Goby Identification Guide
Spot the eel-like violet goby by its iridescent pinkish-violet sheen, tiny eyes, and upturned mouth.
Read the full Violet Goby encyclopedia entry →Key identification features
- Extremely elongated, eel-like body reaching 20 inches (50 cm) or more
- Small head with tiny eyes and a large, upward-angled mouth
- Iridescent pinkish-violet to grayish-brown sheen along the flanks
- Long, continuous dorsal fin running most of the body length
- Fused pelvic fins forming a small ventral sucker disc, unlike a true eel
Common look-alikes
- True eels, such as the American eel, share the elongated body but lack the goby's fused pelvic sucker disc and have a different fin arrangement.
- Other Taenioides "dragon" gobies look very similar; they are separated mainly by dorsal fin spine counts and geographic range rather than color.
- Spaghetti eels and worm eels lack the violet iridescence and the goby's characteristic two-part dorsal fin structure.
Where you'll see one
Violet gobies dig and occupy burrows in soft, muddy bottoms of brackish estuaries, tidal creeks, and river mouths along the western Atlantic, ranging from the Gulf Coast of the United States south to Brazil. They are largely nocturnal and spend much of the day hidden in their burrows.
Frequently asked questions
How do I tell a violet goby from an eel?
Check the belly: the violet goby has fused pelvic fins forming a small sucker disc, a feature true eels never have, along with a shorter, less snake-like dorsal fin origin.
What color should I look for to identify a violet goby?
Its skin has a distinctive iridescent pinkish-violet to grayish sheen that shifts with the light, unlike the more uniform brown or olive tones of true eels.