Classification / Names
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Siluriformes (Catfishes) >
Amphiliidae (Loach catfishes) > Doumeinae
Etymology: Phractura: Greek, phraktos = fence (Ref. 45335); stiassny: Named after Dr. Melanie Stiassny, Curatrix of Ichthyology at he AMNH in New York, for her contributions to African ichthyology and in appreciation for the support given to the author who described this species to carry out his study..
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού βενθικό(ς). Tropical
Africa: only known from a single collection in the Nyanga River at Tchibanga, Gabon (Ref. 74418, 81646).
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 11.5 cm SL (female)
Ραχιαίες άκανθες (συνολικά) : 0; Εδρικές άκανθες: 0. Diagnosis: barbels slender, reaching edge of branchiostegal membrane; 2 scutes between supraoccipital process and nuchal plate; scutes on body thin, forming a narrow ridge; interorbit narrow, width 1 orbit diameter; caudal peduncle long, 2.6 times in SL and extremely slender, length more than 18 times depth (Ref. 81646).
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
Skelton, P.H., 2007. New species of the amphiliid catfish genera Amphilius, Doumea and Phractura and the taxonomy of Paramphilius from West Central Africa (Siluformes, Amphiliidae). Zootaxa 1578:41-68. (Ref. 74418)
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 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
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).