Description
The Gobiodon citrinus, commonly known as the poison goby or lemon coral goby, is a small, reef-dwelling fish characterized by its vibrant coloration and toxic mucus. It has a high, yellow body with two blue bars across the eye and another across the back of the head, along with blue stripes along the base of the dorsal and anal fins. A small black spot is typically present at the base of the pectoral fin. These fish are known to inhabit coral reefs, particularly those with Acropora corals, and are found in the Indo-Pacific region.
Key characteristics:
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Coloration: Variable, ranging from yellow to yellowish-green or even black, with blue markings.
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Blue Markings: Two blue bars across the eye, one across the back of the head, and blue stripes along the dorsal and anal fin bases.
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Pectoral Spot: A small dark spot at the base of the pectoral fin.
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Size: Reaches a maximum length of about 6.6 centimeters (2.6 inches).
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Habitat: Found in coral reefs, specifically amongst Acropora corals, at depths of 2 to 20 meters.
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Toxic Mucus: The mucus produced by this fish is toxic.
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Behavior: Often found in coral branches and can be less shy than other coral gobies.
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Reef Compatibility: While considered reef safe, they may nip at coral polyps, especially Acropora.
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Aquarium Trade: This species is also found in the aquarium trade and has been bred in captivity.
