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Schistura rikiki
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drawing shows typical species in Nemacheilidae.
Teleostei (teleosts) >
Cypriniformes
(Carps) >
Nemacheilidae
(Brook loaches)
Etymology:
Schistura:
Greek, schizein = to divide + Greek, oura = tail; an allusion to forked caudal fins (Ref.
45335
)
;
rikiki:
From French slang
rikiki
, also spelt
riquiqui
(weeny, pint-sized).
.
More on author:
Kottelat
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
Asia: Xe Kong and Xe Kaman main rivers, Laos.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 2.5 cm SL male/unsexed; (Ref.
43281
)
Short description
Morphology
|
Morphometrics
Anterior nostril pierced on front side of a flap; processus dentiformis present; lower lip interrupted medially; lateral line incomplete, reaching vertical of dorsal fin; anus about 1-2 eye diameters in front of anal-fin origin; 8.5 branched dorsal-fin rays; 5.5 branched anal-fin rays; caudal fin emarginate, with 8+7 branched rays; axillary pelvic lobe present; body with 6-10 bars, much narrower than interspaces, very irregular in smaller individuals, sometimes dissociated into a lateral blotch and a middorsal saddle; black bar at caudal-fin base incomplete, restricted to lower half of caudal-fin base in several specimens; a black dot at anterior extremity of dorsal-fin base (Ref.
36949
).
Inhabits rivers (Ref.
43281
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Kottelat, M.
, 2001. Fishes of Laos. WHT Publications Ltd., Colombo 5, Sri Lanka. 198 p. (Ref.
43281
)
IUCN Red List Status (Ref.
130435
)
Data deficient (DD)
; Date assessed:
20 January 2011
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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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=0.00692 (0.00311 - 0.01538), b=3.02 (2.85 - 3.19), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.0 ±0.3 se; based on size and trophs of closest relatives
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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Page last modified by :
mrius-barile
- 20 July 2016
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