Actinopteri (ray-finned fishes) > Cypriniformes
(Carps) > Tanichthyidae
Etymology: Tanichthys: Named for Mr Tan Kam Fei, the famous Scout of Kwangtung; for his interest in ichthyology and encouraging the young scouts toward the study of nature.; micagemmae: Names with reference to its sparkling colour pattern and small size, from the Latin verb micare (sparkle) and the Latin substantive gemma (gem). Noun in apposition. More on authors: Freyhof & Herder.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic; depth range - m (Ref. ), usually - m (Ref. ). Tropical; 18°C - 27°C (Ref. 89920)
Asia: River Ben Hai, Viet Nam.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.3 cm SL male/unsexed; (Ref. 41279)
Morphology | Morphometrics
soft rays: 11. Head and body below lateral midline whitish with many small dark grey spots (versus dark reddish brown); one black and white whitish longitudinal stripe of about same width (width of black stripe 0.9-1.8 times width of whitish stripe versus 0.3-0.6); distance from dorsal-fin origin to upper margin of whitish stripe about equal to distance from anal-fin origin to lower margin of black stripe (upper distance 0.9-1.2 times lower distance versus 1.8-2.7).
Found in a wide, shallow stream with fast current and sandy bottom (Ref. 41279).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Freyhof, J. and F. Herder, 2001. Tanichthys micagemmae, a new miniature cyprinid fish from Central Vietnam (Cypriniformes: Cyprinidae). Ichthyol. Explor. Freshwat. 12(3):215-220. (Ref. 41279)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.0 ±0.4 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .