Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Cypriniformes
(Carps) > Nemacheilidae
Etymology: Triplophysa: Greek, triplos = thrice + Greek, physa = tube (Ref. 45335); macrocephala: The specific name, macrocephala, is derived from the Greek macro (large, great) and cephal(head), in reference to the species’ big head when compared with its body. It is a noun with feminine gender (Ref. 87804). More on authors: Yang, Wu & Yang.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical; 26°N - 25°N, 107°E - 108°E
Asia: karst cave in Renguang Village in Nandan County, Guangxi Zhuang Autonomous Region, China. The underground river drains into the Dagouhe River, which flows into the Xijiang River (tributary of the Pearl River) (Ref. 87804).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.7 cm SL male/unsexed; (Ref. 87804)
Morphology | Morphometrics
Distinguished from other species of Triplophysa by having the following combination of characters: pectoral fin not reaching beyond pelvic-fin origin; caudal fin forked; body smooth or scaleless; dorsal-fin origin anterior to pelvic-fin origin, edge of dorsal fin truncate; dorsal fin with eight branched rays; anal fin with five branched rays; eye small and vestigial; lower jaw arched with a median notch; air-bladder wrapped in bony capsule, lateral enlarged, posterior chamber of air-bladder degenerated (Ref. 87804).
This species inhabits karst cave, living in the pool with muddy bottom (Ref. 87804).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Yang, J., T.-J. Wu and J.-X. Yang, 2011. A new cave-dwelling loach, Triplophysa macrocephala (Teleostei: Cypriniformes: Balitoridae), from Guangxi, China. Environ. Biol. Fish. electonic publoication. Pending final publication. (Ref. 87804)
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 (0.00324 - 0.01477), b=3.00 (2.83 - 3.17), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.1 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (20 of 100) .