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Pangasius macronema : fisheries
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Pangasius macronema
Picture by
Warren, T.
Teleostei (teleosts) >
Siluriformes
(Catfishes) >
Pangasiidae
(Shark catfishes)
Etymology:
Pangasius:
The Vietnamese name of a fish (Ref.
45335
)
.
More on author:
Bleeker
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; potamodromous (Ref.
51243
). Tropical
Asia.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 30.0 cm SL male/unsexed; (Ref.
4792
)
Dorsal
spines
(total): 1;
Dorsal
soft rays
(total): 7;
Anal
soft rays
: 30 - 38. Relatively deep body; lacks mid-lateral and abdominal stripes; lacks black spot at dorsal-fin origin; teeth on roof of mouth in 4 separate patches (2 vomerine and 3 palatine patches); maxillary barbel reaches tip of pectoral fin (Ref.
12693
).
Facultative air-breathing (Ref.
126274
); Occurs in rivers, lakes and reservoirs (Ref.
43281
). Found in rapids (Ref.
37771
). Forms large schools. Moves into tributary streams and flooded forests along with many species of cyprinids and other species of visually oriented catfishes such as
P. pleurotaenia
when water transparency decreases. Feeds on mollusks and chironomid insects (Ref.
12975
), small fish and prawns (Ref.
56749
). Marketed fresh (Ref.
12693
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Roberts, T.R. and C. Vidthayanon
, 1991. Systematic revision of the Asian catfish family Pangasiidae, with biological observations and descriptions of three new species. Proc. Acad. Nat. Sci. Philad. 143:97-144. (Ref.
7432
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
07 June 2019
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: commercial
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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=0.00479 (0.00297 - 0.00772), b=2.96 (2.82 - 3.10), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245
).
Trophic level (Ref.
69278
): 3.2 ±0.40 se; based on food items.
Fishing Vulnerability (Ref.
59153
): Low to moderate vulnerability (27 of 100).
Price category (Ref.
80766
):
Unknown
.
Nutrients (Ref.
124155
): Calcium = 28.9 [13.5, 101.7] mg/100g; Iron = 0.559 [0.203, 1.754] mg/100g; Protein = 15 [13, 17] %; Omega3 = 0.308 [0.122, 0.784] g/100g; Selenium = 82.6 [31.6, 207.6] μg/100g; VitaminA = 77 [16, 330] μg/100g; Zinc = 3.44 [1.24, 6.60] mg/100g (wet weight);
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