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Rainbowfish / Pseudomugilinae / Australian Blue-eye

Australian Blue-eye
Pseudomugil signifer

Synonyms: Atherina signata, Pseudomugil signatus
Physical description: An elongated species with elaborate finnage. There are two dorsal fins, nearly equal in size, and the caudal fin has a straight edge. The dorsal and anal fins are long and pointed. The body is yellow-brown and the iris of the eye is light blue. Each scale is bordered in dark brown giving the fish a net-like appearance. The dorsal and anal fins are bright yellow and bordered in black with a white tip at the end. The caudal fin is yellow with a black and white lower edge.
Size/Length: To 1.8" (4.5 cm)
Similar species: Other Pseudomugil species.
Habitat: Australia; Eastern Queensland and the Cape York Peninsula
S: middle, top
Aquarium: A tank measuring 24" (61 cm) with a capacity from 10-20 gallons (38-76 L) is recommended. Plant the tank along the edges and leave open swimming areas. The filter should create moderate circulation. Use a dark, fine gravel.
Water chemistry: pH 6.5-7.5 (7.0), 10-15 dH (12), 73-82°F (23-28°C)
Social behavior: An active, schooling species that can be combined with other gentle fish. This fish should be kept in groups of five or more.
Suggested companions: Corydoras, Loricarids, tetras, hatchetfish, dwarf Rainbowfish
FOOD: Live; insect larvae, crustaceans, worms, insects; flakes
Sexual differences: Males are more colorful and slightly larger.
Breeding techniques: Follow suggestions for M. splendida australis. Use water values within the mentioned perimeters. The eggs are not molested by the parents and hatch after 12-16 days.
Breeding potential: 5. An easily bred species.
Remarks: Make frequent partial water changes.
Difficulty of care: 5. The species is sensitive to unfavorable water conditions.


By Rhett Butler   Mongabay.com