Feeding in the aquarium
Monocirrhus polyacanthus is an ambush predator that uses its camouflage to get very close to its prey before quickly swallowing it whole.
Feeds on live prey. Prefers minnows but will eat shrimp, guppies, and small goldfish. Prefers prey that stays at the bottom rather than the surface. Stimulated by the movement of prey, especially swimming; loses interest in prey that stops moving.
Life History and Behavior
Breeding in the aquarium
Female turns updside-down to deposit eggs on the under side of a broad, horizontal leaf. She then moves aside while the male fertilizes the eggs. They take turns for up to 1 hour, after which up to 300 eggs are deposited and fertilized. The female then leaves the area while the male stays to guard and fan the eggs until they hatch, after which he abandons the leaf.
Spawning with one female and two males simultaneously has been observed.
Eggs hatch in approximately 72 hours. Wigglers become free-swimming roughly 72 hours after hatching. Fry begin eating approximately 72 hours after becoming free-swimming.
Molecular Biology and Genetics
Statistics of barcoding coverage: Monocirrhus polyacanthus
Public Records: 0
Specimens with Barcodes: 5
Species With Barcodes: 1
Relevance to Humans and Ecosystems
Monocirrhus polyacanthus, also known as the Amazon leaffish is a species of fish belonging to the Polycentridae family. It inhabits the often brackish waters, both clear and turbid, of Peru, Brazil, Bolivia, Colombia and Venezuela in the Amazon River basin. It reaches a maximum length of 8.0 centimetres (3.1 in).
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