Overview

Comprehensive Description

Biology

Feeds on fish (Ref. 7020).
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Distribution

South America: Amazon River basin in Peru, Brazil, Bolivia, Columbia, and Venezuela.
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Amazon River basin: Brazil, Bolivia, Colombia, Peru and Venezuela.
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Physical Description

Size

Maximum size: 80 mm ---
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Max. size

8.0 cm SL (male/unsexed; (Ref. 50082))
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Ecology

Habitat

Environment

benthopelagic; freshwater; pH range: 5.0 - 6.0; dH range: 5 - 8
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Trophic Strategy

Feeds on fish.
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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.

  • Personal experience.
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Life History and Behavior

Life Cycle

Produces up to 300 eggs.
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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.

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Monocirrhus polyacanthus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 5
Species With Barcodes: 1
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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

aquarium: commercial
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Disclaimer

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