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Cypriniformes (Carps) >
Gobionidae (Gudgeons)
Etymology: Squalidus: Latin, squalidus = pale, weak + Latin, barbus = barbel (Ref. 45335).
More on authors: Nichols & Pope.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Subtropical
Asia: Nam Ma basin in Laos, northern Viet Nam and Hainan, China.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 11.0 cm TL male/unsexed; (Ref. 26563); common length : 5.4 cm SL male/unsexed; (Ref. 35840); max. published weight: 19.37 g (Ref. 124726)
Short description
Morphology | Morphometrics
Anal fin with 6 1/2 branched rays; body with 2 vague stripes; lips thin, narrow, smooth (Ref. 43281).
Inhabits streams with sandy to muddy substrate (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. 126983)
Threat to humans
Harmless
Human uses
More information
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproduction for Squalidus atromaculatus' title='
Reproduction for Squalidus atromaculatus' target='_blank'>
ReproductionMaturity for Squalidus atromaculatus' title='
Maturity for Squalidus atromaculatus' target='_blank'>
MaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profile for Squalidus atromaculatus' title='
Aquaculture profile for Squalidus atromaculatus' target='_blank'>
Aquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Tools
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00535 - 0.02051), b=3.11 (2.93 - 3.29), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.4 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).