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Shop Red-Tailed Rock Goby-L
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Red-Tailed Rock Goby-L

$19.99

The Red-tailed Rock Goby, scientifically known as Sicyopterus lagocephalus, is a stunning freshwater goby species native to fast-flowing streams and rivers throughout the Indo-Pacific region, including islands like Réunion, New Caledonia, Papua New Guinea, and parts of Indonesia. It is known for its vibrant coloration, particularly in males, and its preference for clean, oxygen-rich habitats, making it a prized addition for aquarists with established high-flow setups.

Physically, Sicyopterus lagocephalus is a slender, elongated goby that can reach lengths of around 3 to 4 inches (7.5 to 10 centimeters). Males are especially striking when in peak condition or breeding mode, exhibiting electric blue bodies with red or orange markings along the caudal peduncle and tail fin—hence the common name “Red-tailed.” Females are more subdued, typically grayish or brown with speckled markings that provide effective camouflage in their natural rocky environments.

In the aquarium, this species thrives in a setup that mimics the fast, shallow streams of its native range. A tank size of at least 30 gallons is recommended, with strong, directional water flow provided by powerheads or river manifold systems. The substrate should consist of smooth stones and pebbles, which promote biofilm and algae growth for grazing. Bright lighting supports natural algal development, which is a key part of their diet.

Water parameters should include a temperature range of 72 to 78°F (22 to 26°C), a pH of 6.5 to 7.5, and soft to moderately hard water. Pristine water quality and high dissolved oxygen levels are essential, and regular maintenance is crucial for long-term health.

Feeding Sicyopterus lagocephalus centers around their grazing habits. In nature, they scrape biofilm and algae off rocks. In captivity, they should be given access to surfaces with algae growth and supplemented with algae wafers, spirulina flakes, blanched vegetables, and occasional frozen foods like daphnia or brine shrimp.

They are peaceful and do well with other rheophilic species such as hillstream loaches, stiphodon gobies, white clouds, and smaller danios. While males may be territorial, aggression is minimal if sufficient space and structure are provided.

Breeding this species in captivity is extremely difficult due to their amphidromous life cycle. After spawning in freshwater, the larvae naturally drift to the ocean and later return to freshwater as juveniles—conditions that are nearly impossible to replicate in a home aquarium.

Overall, Sicyopterus lagocephalus (Red-tailed Rock Goby) is a visually striking and peaceful species that thrives in well-oxygenated, high-flow aquariums. Their vibrant appearance and natural grazing behavior make them a fascinating and rewarding choice for experienced aquarists seeking a specialized biotope setup.

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The Red-tailed Rock Goby, scientifically known as Sicyopterus lagocephalus, is a stunning freshwater goby species native to fast-flowing streams and rivers throughout the Indo-Pacific region, including islands like Réunion, New Caledonia, Papua New Guinea, and parts of Indonesia. It is known for its vibrant coloration, particularly in males, and its preference for clean, oxygen-rich habitats, making it a prized addition for aquarists with established high-flow setups.

Physically, Sicyopterus lagocephalus is a slender, elongated goby that can reach lengths of around 3 to 4 inches (7.5 to 10 centimeters). Males are especially striking when in peak condition or breeding mode, exhibiting electric blue bodies with red or orange markings along the caudal peduncle and tail fin—hence the common name “Red-tailed.” Females are more subdued, typically grayish or brown with speckled markings that provide effective camouflage in their natural rocky environments.

In the aquarium, this species thrives in a setup that mimics the fast, shallow streams of its native range. A tank size of at least 30 gallons is recommended, with strong, directional water flow provided by powerheads or river manifold systems. The substrate should consist of smooth stones and pebbles, which promote biofilm and algae growth for grazing. Bright lighting supports natural algal development, which is a key part of their diet.

Water parameters should include a temperature range of 72 to 78°F (22 to 26°C), a pH of 6.5 to 7.5, and soft to moderately hard water. Pristine water quality and high dissolved oxygen levels are essential, and regular maintenance is crucial for long-term health.

Feeding Sicyopterus lagocephalus centers around their grazing habits. In nature, they scrape biofilm and algae off rocks. In captivity, they should be given access to surfaces with algae growth and supplemented with algae wafers, spirulina flakes, blanched vegetables, and occasional frozen foods like daphnia or brine shrimp.

They are peaceful and do well with other rheophilic species such as hillstream loaches, stiphodon gobies, white clouds, and smaller danios. While males may be territorial, aggression is minimal if sufficient space and structure are provided.

Breeding this species in captivity is extremely difficult due to their amphidromous life cycle. After spawning in freshwater, the larvae naturally drift to the ocean and later return to freshwater as juveniles—conditions that are nearly impossible to replicate in a home aquarium.

Overall, Sicyopterus lagocephalus (Red-tailed Rock Goby) is a visually striking and peaceful species that thrives in well-oxygenated, high-flow aquariums. Their vibrant appearance and natural grazing behavior make them a fascinating and rewarding choice for experienced aquarists seeking a specialized biotope setup.

The Red-tailed Rock Goby, scientifically known as Sicyopterus lagocephalus, is a stunning freshwater goby species native to fast-flowing streams and rivers throughout the Indo-Pacific region, including islands like Réunion, New Caledonia, Papua New Guinea, and parts of Indonesia. It is known for its vibrant coloration, particularly in males, and its preference for clean, oxygen-rich habitats, making it a prized addition for aquarists with established high-flow setups.

Physically, Sicyopterus lagocephalus is a slender, elongated goby that can reach lengths of around 3 to 4 inches (7.5 to 10 centimeters). Males are especially striking when in peak condition or breeding mode, exhibiting electric blue bodies with red or orange markings along the caudal peduncle and tail fin—hence the common name “Red-tailed.” Females are more subdued, typically grayish or brown with speckled markings that provide effective camouflage in their natural rocky environments.

In the aquarium, this species thrives in a setup that mimics the fast, shallow streams of its native range. A tank size of at least 30 gallons is recommended, with strong, directional water flow provided by powerheads or river manifold systems. The substrate should consist of smooth stones and pebbles, which promote biofilm and algae growth for grazing. Bright lighting supports natural algal development, which is a key part of their diet.

Water parameters should include a temperature range of 72 to 78°F (22 to 26°C), a pH of 6.5 to 7.5, and soft to moderately hard water. Pristine water quality and high dissolved oxygen levels are essential, and regular maintenance is crucial for long-term health.

Feeding Sicyopterus lagocephalus centers around their grazing habits. In nature, they scrape biofilm and algae off rocks. In captivity, they should be given access to surfaces with algae growth and supplemented with algae wafers, spirulina flakes, blanched vegetables, and occasional frozen foods like daphnia or brine shrimp.

They are peaceful and do well with other rheophilic species such as hillstream loaches, stiphodon gobies, white clouds, and smaller danios. While males may be territorial, aggression is minimal if sufficient space and structure are provided.

Breeding this species in captivity is extremely difficult due to their amphidromous life cycle. After spawning in freshwater, the larvae naturally drift to the ocean and later return to freshwater as juveniles—conditions that are nearly impossible to replicate in a home aquarium.

Overall, Sicyopterus lagocephalus (Red-tailed Rock Goby) is a visually striking and peaceful species that thrives in well-oxygenated, high-flow aquariums. Their vibrant appearance and natural grazing behavior make them a fascinating and rewarding choice for experienced aquarists seeking a specialized biotope setup.

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