Glass Sicyopus Goby (Sicyopus sp.)
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Like many small freshwater gobies, this is a very beautiful, active, and entertaining fish for peaceful aquariums with high water flow.
The Glass Sicyopus Goby (Sicyopus sp.) is a very rare freshwater dwarf goby that is native to Indonesia. It is known for its often clear appearance as well as the bright red-orange coloration that mature male specimens often display near their tails. Females are not as colorful, but are still very attractive and active. This fascinating, peaceful fish is a micropredator that is an excellent candidate for the mature nano aquarium as long as dwarf shrimp are absent.
An aquarium with heavy water flow (10 to 15 times turnover per hour) and very clean, clear water is required for the Glass Sicyopus Goby. This fish is native to shallow, clear, fast-flowing waters and it is sensitive to declines in water quality, so regular aquarium maintenance is a must.
The Glass Sicyopus Goby is a micropredator in nature. It is known to usually accept frozen and live meaty foods of appropriate size. This fish usually will not accept dry foods. As long as it is kept in a well-maintained, mature aquarium with high water flow, the Glass Sicyopus Goby is a hardy and entertaining fish. It will not bother aquarium plants. In fact, Anubias species are an excellent plant to keep with this goby.
Most small rasboras, tetras, hillstream loaches, and other small, peaceful fish are good tankmates for the Glass Sicyopus Goby. Due to its small size, it can be kept with most other peaceful fish and larger invertebrates that are too large to be considered prey. Peaceful bottom-dwelling fish are also a possibility in a large enough tank, but care must be taken to ensure that the Glass Sicyopus Goby is not outcompeted for food. The Glass Sicyopus Goby can be somewhat territorial, especially smaller tanks, so it may occasionally bully other passive, slow-moving bottom-dwellers if space is limited.
There are reported cases of the Glass Sicyopus Goby spawning in the aquarium, but it is very difficult (if not currently impossible) to raise the fry due to their complex larval stages. In nature, adults spawn and their fry hatch in freshwater, then they are immediately swept downstream to marine ocean waters where they feed and develop. As the fry mature, they swim great distances back to full freshwater streams, often on completely different islands than where they originated. At this point, the fry have become young adults and will soon be sexually mature and exhibit adult coloration.
Many gobies have the ability to climb glass, so an aquarium lid and/or rim are necessary to prevent escape.
Our young adult specimens are in excellent health, but many of the males are not yet showing their full mature coloration. This color will be most vivid when the fish are kept in a group.
What We Like About This Fish:
- Beautiful bright red-orange coloration in dominant males
- Peaceful disposition with fish and peaceful invertebrates too large to be considered prey
- Interesting social behavior when kept in colonies
- Very active with lots of personality
RECOMMENDED TANK PARAMETERS:
- Temperature: 68° - 82° F (20° - 27.7° C)
- pH: 5.5 - 7.0
- KH: 4 - 8 dKH
- Minimum tank size: 10 gallons for a single specimen or pair, 30+ gallons for a group
- Diet: Micropredator. Requires high-quality frozen and live foods of appropriate size. Dry foods will likely be ignored.
- Social behavior: Peaceful with most other species, but multiple males may have minor squabbles. Ample territory is recommended for multiple males
- Origin: Indonesia
- Average adult size: 1.5 - 2 inches (3.8 - 5 cm)
- Average purchase size: 1 - 1.5 inch (2.5 – 3.8 cm)
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