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Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypostominae
Etymology: Ancistomus: Greek, agkale, agkalos = hook, something curved + Greek, stoma = mouth.
Issue
In Ambruster et al., 2015 (Ref. 99824), no characteristics were found to separate Ancistomus spinosissimus from A. micrommatos and A. spiloma, and these may represent the same species.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; air tawar dasar (demersal). Tropical
South America: middle and upper rio Tocantins and its tributaries.
Size / Weight / umur
Maturity: Lm ?  range ? - ? cm
Max length : 12.7 cm SL jantan/; (Ref. 49598)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 1; duri punggung lunak (Keseluruhan (total)) : 7; Duri dubur: 1; Sirip dubur lunak: 4. Number of elongate odontodes on cheek 30-60; absence of dark spots on the ventral surface of head and body; fins and lateral and dorsal plates of head and body with numerous dark dots; dorsal-fin rays I, 7; premaxillary teeth 17-29; absence of small dark spots on upper region of eye; first anal-fin pterygiophore barely exposed, sometimes covered by skin; long and curled odontodes of adult males confined to the upper caudal peduncle region; interorbital width 30.3-35.0% HL (Ref. 49598).
Life cycle and mating behavior
Maturities | Reproduksi, perkembang biakan | Spawnings | Egg(s) | Fecundities | Larva
Cardoso, A.R. and P.H.F. Lucinda, 2003. Three new species of Hemiancistrus (Teleostei: Siluriformes: Loricariidae) from the rio Tocantins basin with comments on the genus. Ichthyol. Explor. Freshwat. 14(1):73-84. (Ref. 49598)
Status IUCN Red List (Ref. 130435)
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
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=0.01514 (0.00712 - 0.03216), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Daya lenting (Ref.
120179): sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).