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Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Yunnanilus: From Yunnan, city on southwest China; macrogaster: macro (Greek) means large; gaster (Greek) means stomach; an allusion to the large swollen stomach.
More on authors: Kottelat & Chu.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού βενθικό(ς). Subtropical
Asia: Tatantze, Louping County, Yunnan, China.
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.1 cm SL αρσενικό/απροσδιόριστο; (Ref. 12040)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Μαλακές ραχιαίες ακτίνες (συνολικά) : 11 - 12; Μαλακές εδρικές ακτίνες: 8. Lateral line short, with 6-10 pores; cephalic lateral line pores present; 8 1/2 branched dorsal rays; caudal peduncle 1.43-1.45 times longer than deep; eye diameter 17-19% dorsal HL; color pattern consisting of a few large spots (about size of eye).
Found in a small marsh with abundant vegetation. Sympatric with Y. niger and Y. paludosus. Feeds on worms and insects.
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Kottelat, M. and X.L. Chu, 1988. Revision of Yunnanilus with description of a miniature species flock and six new species from China (Cypriniformes: Homalopteridae). Environ. Biol. Fishes 23(1-2):65-93. (Ref. 12040)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00347 - 0.01512), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.1 ±0.33 se; based on food items.
Ελαστικότητα (Ref.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).