Goby care guides

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Dragon Goby Care Guide

A complete care guide for the Dragon Goby (Violet Goby) covering brackish water setup, sand substrate requirements, the gentle feeding approach this misunderstood species needs, compatible tank mates, common husbandry mistakes, and long-term care.

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Elephantnose Fish (Gnathonemus petersii)

Gnathonemus petersii

The Elephantnose Fish (Gnathonemus petersii) is one of the most intellectually fascinating freshwater species available to aquarists. Equipped with a weakly electric organ that generates a continuous electric field for navigation and communication, this West African mormyrid navigates pitch-dark environments with astonishing precision. Their elongated chin appendage — the "trunk" — is packed with electroreceptors and is used to probe substrate for buried invertebrates. While not a beginner fish, the Elephantnose rewards patient keepers with remarkable behaviour that borders on interactive intelligence. This guide draws on The Fish Collection's extensive experience importing and maintaining these sensitive electrogenic fish.

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Dragon Goby (Gobioides broussonnetii)

Gobioides broussonnetii

The Dragon Goby (Gobioides broussonnetii), also known as the Violet Goby, is one of the most misunderstood fish in the aquarium trade. Frequently sold as an aggressive freshwater predator, it is in fact a gentle, nearly blind brackish-water filter feeder that sifts sand for microorganisms and detritus. Reaching up to 60 cm in captivity, its elongated eel-like body, iridescent purple-blue scales, and prominent underslung jaw give it a prehistoric, dragonesque appearance that belies its peaceful disposition. This guide covers the specific brackish water requirements, substrate needs, diet strategies, and tank mate selection that make Dragon Goby keeping successful.