Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Cypriniformes
(Carps) > Cyprinidae
(Minnows or carps) > Labeoninae
Etymology: Crossocheilus: Greek krossoi = tassel + Greek, cheilos = lip (Ref. 45335); obscurus: From the Latin adjective 'obscurus', meaning dark, in allusion to the dark general appearance compared to other Southeast Asian congeners. More on authors: Tan & Kottelat.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
Asia: middle Batang Hari drainage in Sumatra, Indonesia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.9 cm SL male/unsexed; (Ref. 81211)
Morphology | Morphometrics
soft rays: 7. Diagnosed from other Southeast Asian species of Crossocheilus by the following
combination of characters: one pair of rostral barbels, maxillary barbels absent; midlateral stripe with edges not sharply contrasted, slightly curved downward, obscured in largest individuals, continued on median caudal-fin rays, reaching posterior margin; black mark between anus and anal fin absent; mouth width 30-36 % HL; and size reaches up to at least 14 cm SL (Ref. 81211).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Tan, H.H. and M. Kottelat, 2009. The fishes of Batang Hari drainage, Sumatra, with descriptions of six new species. Ichthyol. Explor. Freshwat. 20(1):13-69. (Ref. 81211)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00317 - 0.01510), b=3.08 (2.90 - 3.26), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.3 ±0.2 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (29 of 100) .