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Discogobio yunnanensis
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Discogobio yunnanensis
Picture by
Zeng Zhi xuan
Classification / Names
Common names
|
Synonyms
| Catalog of Fishes(
genus
,
species
) |
ITIS
|
CoL
|
WoRMS
|
Cloffa
Teleostei (teleosts) >
Cypriniformes
(Carps) >
Cyprinidae
(Minnows or carps) > Labeoninae
Etymology:
Discogobio:
Greek, diskos = disc shape + latin, gobius = gudgeon (Ref.
45335
)
.
More on author:
Regan
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Subtropical
Asia: Yuanjiang, Jinshajiang and Nanpanjiang in China.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 14.8 cm SL male/unsexed; (Ref.
108468
); common length : 5.3 cm SL male/unsexed; (Ref.
35840
); max. published weight: 36.10 g (Ref.
115192
)
Short description
Morphology
|
Morphometrics
Differs from
Discogobio brachyphysallidos
, the only other species of the genus in Yuanjiang drainage in China, by scales on breast and belly extending forward at least to posterior extremity of pectoral-fin base; an irregular and faint stripe along flank from anal-fin origin backwards, darker posteriorly, and with contrasting edges on caudal peduncle (Ref.
55924
). Can be differentiated from all its congeners by the following characters: oral sucking disc large with posterior edge beyond vertical of anterior margin of eye; snout with small tubercles; body depth more than 17.2% of SL; scaled on breast and belly or naked restricted to belly (Ref.
75176
).
Adults inhabit torrential water of mountain area, clinging to the substrata on bottom by the sucking disc of mouth (Ref.
38450
). Local people claim that this fish feeds mainly on algae (Ref.
75176
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Zheng, L. and W. Zhou
, 2008. Revision of the cyprinid genus
Discogobio
Lin, 1931 (Pisces: Teleostei) from the upper Red River basin in Wenshan Prefecture, Yunnan, China, with descriptions of three new species. Environ. Biol. Fishes 81:255-266. (Ref.
75176
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
21 January 2011
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=0.01072 (0.00652 - 0.01760), b=3.06 (2.92 - 3.20), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245
).
Resilience (Ref.
120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (10 of 100).
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- 20 July 2016
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