Citron Clown Goby Care Guide

Gobiodon citrinus · Saltwater Goby

Citron Clown Goby
AI-generated illustration of Citron Clown Goby
Adult size
~2.5″ (6.4 cm)
Suggested tank
20+ gal
Placement
Middle to Upper
Flow
Medium

What Citron Clown Goby look like

The Citron Clown Goby (Gobiodon citrinus) exhibits a distinctive morphology characterized by its vibrant yellow coloration, which can vary in intensity depending on environmental factors. Adults typically reach a maximum size of approximately 2.5 inches (6.4 cm) in standard length. Sexual dimorphism is subtle, with males generally being slightly larger and displaying more pronounced coloration during breeding periods. This species possesses a robust, elongated body with a rounded snout and large, expressive eyes. The dorsal fin is continuous and elongated, aiding in agile maneuverability through its habitat, while the pectoral fins are well-developed, allowing for precise movements among coral structures. Defensive adaptations include the ability to blend into its surroundings due to its bright coloration and a tendency to retreat into crevices when threatened, minimizing exposure to predators.

Behavior & temperament

Gobiodon citrinus is known for its territorial behavior, often establishing dominance hierarchies within small groups. It typically occupies the upper levels of coral reefs, where it can be observed perching on coral branches. Breeding behavior involves courtship displays, where males perform elaborate movements to attract females. The species is generally peaceful but can exhibit aggression towards intruders within its territory, particularly during the breeding season. Its social structure is often characterized by small groups, with individuals forming loose associations while maintaining their own territories.

Diet & feeding

In the wild, the Citron Clown Goby primarily feeds on small zooplankton and algae, utilizing its specialized dentition to graze on coral surfaces. In captivity, it requires a diet rich in high-quality flake food, frozen or live brine shrimp, and finely chopped marine foods to ensure optimal health.

Behind the name

The genus name 'Gobiodon' is derived from the Greek words 'gobio' meaning 'goby' and 'odon' meaning 'tooth', referring to the tooth structure of these fishes. The species name 'citrinus' comes from the Latin word for 'lemon' or 'citron', alluding to its bright yellow coloration.

Plan your tank

Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.

Keeping Citron Clown Goby?

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