The Dusky Frill-goby, Brown Frillfin, Brown Goby, Common Goby, Dusky Frillfin Goby, Frill Goby, Dusky Frillgoby, scientifically known as Bathygobius fuscus, is a small, relatively common goby species found in the tropical Indo-Pacific region. This fish, often reaching a maximum size of 12.0 cm, is recognized for its distinctive frilled fins and its adaptation to a wide range of coastal habitats.
Description & Characteristics
The Bathygobius fuscus is characterized by its brown to grayish-brown body, often with darker blotches or bands. The most prominent feature is the prominent frill-like extensions on the dorsal fins, which are particularly noticeable in males. These fins, along with the elongated pelvic fins, contribute to the fish’s distinctive silhouette.
Habitat and Occurrence
The Dusky Frill-goby, Bathygobius fuscus, exhibits a preference for shallow coastal waters, typically inhabiting areas with a depth range of 0.0 to 6.0 meters. It is commonly encountered in coral reefs, rocky shores, seagrass beds, and mangroves, demonstrating a capacity to thrive in a variety of marine zones. This adaptation contributes to its widespread distribution across the tropical Indo-Pacific region.
Taxonomy
The species Bathygobius fuscus is categorized within the Class: Teleostei, Order: Gobiiformes, and Family: Gobiidae. This placement reflects its close relation to other goby species, sharing common anatomical and behavioral traits within the Gobiidae family.
Feeding
The Dusky Frill-goby, Bathygobius fuscus, is an opportunistic omnivore, consuming a varied diet that includes algae, amphipods, copepods, crustaceans, detritus, small fish, krill, mysis, and shrimp. This diverse feeding strategy allows it to exploit a wide range of food sources within its habitat.
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