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Cypriniformes (Carps) >
Tanichthyidae (Mountain minnows)
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.
Eponymy: Tan Kam Fei was a Chinese boy-scout leader who discovered and collected the first specimens of the minnows (1932) and brought them to the attention of the author. (Ref. 128868), visit book page.
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
; Γλυκού νερού βενθικό(ς); pH range: 6.0 - 8.0; dH range: 5 - 19. Tropical; 18°C - 22°C (Ref. 1672); 24°N - 18°N, 104°E - 121°E (Ref. 85799)
Asia: China (Ref. 1739) and Viet Nam (Ref. 44416). Thought to be extinct in the wild (Ref. 89952). Introduced elsewhere.
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 4.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 5258); common length : 2.1 cm SL αρσενικό/απροσδιόριστο; (Ref. 35840)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 2 - 3; Μαλακές ραχιαίες ακτίνες (συνολικά) : 6 - 7; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 7 - 9. Body green, with golden vertical zones on central axis of body and a number of dark lines above zones; dorsal and anal fins green and transparent edge; base of caudal fin with large red round spots. Snout blunt; lip thin and lower jaw a bit protruded; barbel absent; dorsal fin short and opposite anal fin, pectoral and pelvic fins small; pelvic scute absent (Ref. 45563).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Found in clean, sluggish coastal stream amongst hydrophytes (Ref. 85799). Can survive in water temperature as low as 5°C. Feed on zooplankton and detritus. Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51539).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Kottelat, M., 2001. Freshwater fishes of northern Vietnam. A preliminary check-list of the fishes known or expected to occur in northern Vietnam with comments on systematics and nomenclature. Environment and Social Development Unit, East Asia and Pacific Region. The World Bank. 123 p. (Ref. 44416)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
αλιεία: πολύ εμπορικό; Ενυδρείο: πολύ εμπορικό
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00400 - 0.02616), b=3.08 (2.85 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Αναφ.
69278): 2.7 ±0.31 se; based on food items.
Ελαστικότητα (Αναφ.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (tm<1).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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