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Rhamdia guatemalensis, Pale catfish
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drawing shows typical species in Heptapteridae.
Classification / Names
Common names
|
Synonyms
| Catalog of Fishes(
genus
,
species
) |
ITIS
|
CoL
|
WoRMS
|
Cloffa
Teleostei (teleosts) >
Siluriformes
(Catfishes) >
Heptapteridae
(Three-barbeled catfishes)
Etymology:
Rhamdia:
Brazilian vernacular name, Nhamdia/Jamdia (Ref.
45335
)
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
America: trans-Andean region of Colombia to southern Mexico.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 25.1 cm SL male/unsexed; (Ref.
119163
); max. published weight: 302.50 g (Ref.
119163
)
Short description
Morphology
|
Morphometrics
This species has the following characters: pigmented body; functional eyes; dorsal fin base 14.4-19.4% of SL; origin of adipose fin anterior to the anus; maxillary barbels extend beyond pelvic fin origin; adipose fin insertion closer to the dorsal fin than to the caudal fin; brown body with a distinct lateral longitudinal dark band (Ref.
108688
).
This species occupies main channel of rivers and streams, either with turbid waters and high sediment loads or with transparent waters and few nutrients. It prefers pools and slow-flowing waters of different depths and has plant material deposits and heavy substrates such as rocks and stones which serve as shelter for this fish during the day (Ref.
108688
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Hernández, C.L., A. Ortega-Lara, G.C. Sánchez-Garcés, M.H. Alford
, 2015. Genetic and morphometric evidence for the recognition of several recently synonymized species of Trans-Andean
Rhamdia
(Pisces: Siluriformes: Heptapteridae). Copeia 103(3):563-579. (Ref.
108688
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
29 November 2018
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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Zoological Record
Estimates based on models
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00503 - 0.01655), b=3.00 (2.84 - 3.16), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245
).
Trophic level (Ref.
69278
): 3.7 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref.
120179
): Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (21 of 100).
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Page last modified by :
mrius-barile
- 20 July 2016
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