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Siluriformes (Catfishes) >
Callichthyidae (Callichthyid armored catfishes) > Callichthyinae
Etymology: Megalechis: Greek, megas, megalos = great + greek, echis, -eos = viper (Ref. 45335).
More on author: Valenciennes.
Issue
See Reis (1997) for phylogeny and Reis (1998) for detailed description.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού βενθικό(ς). Tropical
South America: Amazon, Orinoco and upper Paraguay River basins, as well as coastal rivers of the Guianas and northern Brazil.
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 15.5 cm SL αρσενικό/απροσδιόριστο; (Ref. 121647); μεγ. δημοσιευμένο βάρος: 140.00 g (Ref. 121647)
Obligate air-breathing (Ref. 126274)
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
Reis, R.E., P.-Y. Le Bail and J.H.A. Mol, 2005. New arrangement in the synonymy of Megalechis Reis, 1997 (Siluriformes: Callichthyidae). Copeia 2005(3):678-682. (Ref. 57766)
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 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00243 - 0.01493), b=3.11 (2.89 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 2.9 ±0.3 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
