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Siluriformes (Catfishes) >
Heptapteridae (Three-barbeled catfishes)
Etymology: Gladioglanis: Latin, gladius = sword + Greek, glanis = a fish that can eat the bait without touching the hook; a cat fish (Ref. 45335); anacanthus: Derived from the Latin 'an', meaning absence, and 'canthus', meaning spine, in reference to the absence of its dorsal-fin spine..
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water demersaal; diepte 0 - ? m (Ref. 79081). Tropical
South America: known only from the type locality, Lago do Mamão, rio Aripuanã basin in Amazonas, Brazil.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 2.6 cm SL mannelijk / geslacht onbekend; (Ref. 79081)
Korte beschrijving
Morfologie | Morfometrie
Dorsale stekels (totaal): 0; Dorsale zachte stralen (totaal): 6; Anale zachte stralen: 22 - 25. Differs from all other species of the genus Gladioglanis by the following characters: absence of dorsal-fin spine and spinelet absent; first dorsal-fin ray (homologous to spine) flexible, unbranched, followed by five branched dorsal-fin rays; pectoral-fin spine 5.8-6.1% of SL; pectoral spine with 5 dentations on anterior side and 4 on posterior; anal fin with 22-25 rays; round profile of the head in dorsal view; first pterygiophore of dorsal fin in contact with neural spine of eighth vertebra; both caudal-fin lobes with 13 rays; and total vertebrae 60 (Ref. 79081).
Found in flooded forest on the border of the lake, in a shallow (up to 0.5 m) marginal area on a deep mat of leaf litter as substrate. Also collected on leaf litter along the shore of the lake (Ref. 79081).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Rocha, M.S., R.R. de Oliveira and L.H. Rapp Py-Daniel, 2008. A new species of Gladioglanis Ferraris & Mago-Leccia from rio Aripuaña, Amazonas, Brazil (Siluriformes: Heptapteridae). Neotrop. Ichthyol. 6(3):433-438. (Ref. 79081)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Meer informatie
Lokale namenSynoniemenMetabolismePredatorenEcotoxicologieVoortplantingMaturiteitPaaienPaaiaggregatiesFecunditeitEierenOntwikkeling van de eieren
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00362 - 0.01664), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).