Dusky sleeper – Eleotris fusca

Dusky sleeper, , Eleotris fusca
Size: 26 cm
Depth: 0 - 5 m
Water Type: Marine, Brackish, Freshwater

Eleotris fusca, commonly known as the brown sleeper, is a species of fish belonging to the family Eleotridae. It is a small to medium-sized fish, with a maximum recorded size of 26.0 cm.

Description & Characteristics

Eleotris fusca exhibits a distinctive brown coloration, as suggested by its common name. They are typically found in shallow waters, with a depth range of 0.0 to 5.0 meters. This makes them common inhabitants of coastal areas and estuaries.

Habitat and Occurrence

Eleotris fusca is primarily found in the marine zones of the Indo-Pacific region. They are particularly prevalent in areas with soft, muddy substrates, often inhabiting areas near mangrove forests and seagrass beds. Their tolerance for brackish water makes them adaptable to a variety of environments within their range.

Taxonomy

Eleotris fusca belongs to the Class: Teleostei, Order: Gobiiformes, and Family: Eleotridae. This classification places it within a large and diverse order of fish that includes the gobies, sleepers, and mudskippers.

Feeding

Eleotris fusca is an opportunistic carnivore. They primarily feed on small invertebrates, including crustaceans, worms, and insect larvae. Their diet may also include small fish, depending on availability. They are often found near the bottom of the water column, utilizing their strong jaws and sharp teeth to capture prey.

Associated Species

Image References

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