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Carp 1986 Pseudogobio rivularis 15x10.5 cm aquarium fish USSR postcard
The colorful world of the aquarium. Cyprinids.
Condition: almost like new
Photo: S. Kochetova
USSR, Moscow, publishing house "Planeta".
Text on the back
17. Pseudogobio rivularis.
Pseudorasbora parva.
Sarcocheilichthys sinensis lacustris.
Chilogobio soldatovi.
Inhabit the Amur River. Males bipger, slimmer and brighter than females. Food: 80% animal and 20% vegetable. Sexually mature at 1 to 2 years. Intermittent spawning, in single pairs.
1. Psammophil. Fecundity 500 to 1,000 eggs (d—2.4 mm). Male protects the cluth. Incubation period 4 days at 22° C, 3 to 5 days later the young start swimming. Close species: P. esocinus— 22 cm (Japan).
2. Litophil. Fecundity up to 500 eggs (d—2 mm), 8 to 14 batches a year. Male protects the clutch. Close species: Ps. pumila—8 cm (Japan).
3. Ostracophil, the eggs are pelagic at current. Fecundity 3,000 to 18,000 eggs (d—5 mm). Incubation period 60 hours at
26° C, Close species: S. variegatus—20 cm (Japan).
4. Fecundity 500 to 2,000 eggs (d—4 mm). The fry starts feeding 10 days later at 22° C. Close species: Ch. czerskii —9 cm.
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