Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Cypriniformes
(Carps) > Cobitidae
(Loaches) > Cobitinae
Etymology: Cobitis: Greek, kobitis, -idos = a kind of sardine; also related with the voice Greek, kobios, Latin gobius = gudgeon (Ref. 45335); crassicauda: From the Latin crassus, meaning thick, and cauda, meaning tail, in reference to the caudal peduncle is thick. Used as noun.
Environment / Climate / Range
Freshwater; demersal. Subtropical, preferred ?
Asia: River Xinjiang, a tributary of the Lake Poyang, River Yangtze system in China.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 9.6 cm SL male/unsexed; (Ref. 95089)
Morphology | Morphometrics
soft rays: 5. This species can be diagnosed from all congeners by having the following combination of characters: two stripe above lateral line, exceeding posteriorly the length of pectoral fins, and then scattered cloudly speckles between dorsal blotches and latera spots; 10-13 elongated oval blotches along midlateral line of body; one distintict black elongated or semicircular spot at the base of the caudal fin; slender and long needle-shaped lamina circularis in males; scales slightly elongated, with small focal area; caudal pedunce depth 1.1-1.2 (mean 1.1) times of its length in females and 1.1 in males; 4+37-38+1 vertebrae (Ref. 95089).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Chen, Y.-X. and Y.-F. Chen, 2013. Three new species of cobitid fish (Teleostei, Cobitidae) from the River Xinjiang and the River Leánjiang, tributaries of Lake Poyang of China, with remarks on their classification. Folia Zoologica 62(2):83-95. (Ref. 95089)
IUCN Red List Status (Ref. 109396)
CITES (Ref. 94142)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg 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=0.00490 (0.00216 - 0.01109), b=3.06 (2.88 - 3.24), based on LWR estimates for this Genus-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.4 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 (26 of 100) .