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South America: Amazon River basin, in the Negro, Preto da Eva, Urubu and Jamari rivers in Brazil; also in tributaries of the upper Orinoco River basin.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 32.0 cm TL male/unsexed; (Ref.
40637
); max. published weight: 730.00 g (Ref.
40637
)
Inhabits rivers (Ref.
12251
). Also found in swamps and lakes; feeds on aquatic insects and crustaceans during high water, also on fishes during low water seasons (Ref.
40602
). Maximum length 35 cm TL (Ref.
2060
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Phylogenetic diversity index (Ref.
82804
): PD
50
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02692 (0.01216 - 0.05956), b=3.04 (2.86 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.7 ±0.57 se; based on food items.
Resilience (Ref.
120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (22 of 100).
Price category (Ref.
80766
):
Unknown
.
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FishBase mirror site :
Laguna, Philippines
Page last modified by :
mrius-barile