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Vieja hartwegi, Tailbar cichlid
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Central America: Atlantic slope, in the Grijalva River basin, Mexico.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 20.0 cm SL male/unsexed; (Ref.
102977
)
Inhabits lower to middle river valleys as well as lakes. Found over rocks, sand, silt or mud. Feeds on benthic detritus, aquatic plants and invertebrates (Ref.
7335
). Reported size in captivity to about 25 cm for males and 18 cm for females (Paul Stevens, pers. comm.).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02884 (0.01568 - 0.05304), b=3.04 (2.88 - 3.20), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245
).
Trophic level (Ref.
69278
): 2.5 ±0.20 se; based on food items.
Resilience (Ref.
120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (14 of 100).
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Page last modified by :
mrius-barile
- 20 July 2016
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