Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού βενθοπελαγικό. Tropical; 13°N - 11°N
Africa: endemic to Lake Tana and its tributaries, Ethiopia (Ref. 35835, 96382, 128753).
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 31.7 cm FL αρσενικό/απροσδιόριστο; (Ref. 35835)
Ραχιαίες άκανθες (συνολικά) : 0; Μαλακές ραχιαίες ακτίνες (συνολικά) : 12; Εδρικές άκανθες: 0; Μαλακές εδρικές ακτίνες: 8. Head width more than 1.8 times in head length; head length less than 1.3 times in body depth; body depth more than 3.6 times in standard length; eye diameter less than 1.6 times in interorbital width; light yellowish green.
Occurs over muddy, sandy and rocky substrates all over the lake, preferably in water of less than 6 m depth. Juveniles feed on zooplankton and insects; adults take in addition small mollusks and macrophytes (Ref. 35835).
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
Nagelkerke, L.A.J. and F.A. Sibbing, 1997. A revision of the large barbs (Barbus spp., Cyprinidae, Teleostei) of Lake Tana, Ethiopia, with a description of seven new species. p. 105-170. In L.A.J. Nagelkerke (ed.) The barbs of Lake Tana, Ethiopia: morphological diversity and its implications for taxonomy, trophic resource partititioning and fisheries. Wageningen University, The Netherlands. (Ref. 35835)
IUCN Red List Status (Ref. 130435)
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=0.00933 (0.00422 - 0.02065), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.0 ±0.37 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 to moderate vulnerability (25 of 100).
