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Peacock Bass ID Guide

An Anglers Guide to the
Recognized Species of Peacock Bass

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Rio Paru Peacock Bass

Rio Paru Peacock Bass
Unidentified or Undescribed Rio Paru Peacock Bass

Note the unusually deep body of this large male specimen of the as- yet unidentified or undescribed Rio Paru peacock. This fish utilizes a wide range of habitats in fast water. Spawning pairs frequent quiet lagoons and off-river backwaters while hunting adults utilize even fast rapids. This peacock has similarities to C. thyrorus and C. vazzoleri, however, it shows some morphometric characters that differentiate it from those species. It appears to be most similar to, and may be C. jariina

ID Key:

Identification Keys
Bars and Markings Colors Size Key Characters Similar Species
Adults possess three blotchy, incomplete vertical bars Distinct dark markings on operculum. Juveniles marked with rows of horizontal white dots. Body olive on dorsum, shading to gold on sides. Abdomen white. Lower fins yellowish with blue edges. Juveniles: up to about 200mm
(8 inches)

Adults: from 200mm up to about 485mm (19 inches)
Depth to length ratio: approx. 36%

Lateral Line Scales:
approx. 102
Appears to be most morphologically similar to
C. jariina
Angler's Summary
Known Range Behavior Notes Habitat Common Names IGFA records
Countries: Brazil.

River Basins:Specimens are from the middle Rio Paru, above the principle waterfall, Cachoeiro Panama.
Spawning fish are concentrated in lentic (still), back-water sections scattered along the main river. The Rio Paru is a high gradient river adjacent to the Rio Jari. The population encountered here is deep-bodied and accesses even the faster waters.   None

Fishing Tactics

Fish found in quiet backwaters are typically in various stages of spawning preparation or fry-guarding. Both pre-spawn and fry-guarding fish are readily taken on a variety of lures, including peacock rattle jigs, walking stick baits, swimming plugs and spoons. The large prop baits have not been shown to be effective here. When found in fast water, fish are generally feeding and are most readily taken with swimming baits such as Yo-zuri crystal minnows, smaller Rapalas (i.e.CD 11), etc. When in edge waters or bank structure, fish do not appear to be actively feeding but will opportunistically take baits appropriate to the access requirements; i.e, on sandbars or in still rocky structure, small surface plugs, especially Zara Spooks; in shallow quiet pools, small floating swimming plugs, such as 5" red-fin or jointed Rapala.

Although not as large as the giant lowlands peacocks (Cichla temensis), we have caught these fish up to 10 pounds. Because of their environment, they can present significant angling challenges. Spawners are often in very tight, small waters and can rapidly find their way into woody structure. Fast water feeders will readily use the current and their deep bodies to their advantage, augmenting their already powerful bodies.

Acute Angling organizes and operates trips to this fishery where, in addition to the peacock bass, anglers can encounter payara, exceptionally large pirapitinga, giant catfish (Jau, piraiba, pirarara, suribim), large pacu, large bicuda and other variety species.

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