Classificação / Names
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Siluriformes (Catfishes) >
Auchenipteridae (Driftwood catfishes) > Auchenipterinae
Etymology: Ageneiosus: Greek, a = without + greek, geneias, -ados = bear, chin (Ref. 45335); akamai: Named for Alberto Akama; patronym in genitive case (Ref. 124585).
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce pelágico(a,os,as). Tropical
South America: Brazil.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 17.4 cm SL macho/indeterminado; (Ref. 124585)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Raios anais moles: 31 - 37; Vértebras: 46 - 48. This species can be distinguished by the following set of characters: D I,6; A 31-37; P I,11-13 (mode 12); GR 14-18 (mode 16) on anterolateral margin of first branchial arch; 46-48 total vertebrate; caudal fin deeply forked, with pointed lobes; reduced and ossified gas bladder; and by having epaxial musculature covering the tympanic region. Colouration: dark uniform dorsolateral stripe extending from posterior region of head to caudal-fin base; dark blotch of snout expanded posteriorly on top of head above frontals and nuchal plates; dorsal area of snout almost completely dark; pectoral and pelvic fins hyaline or dark, with many melanophores; anal and caudal fins hyaline and yellowish; dorsal fin often has melanophores concentrated on distal tips of first branched rays (Ref. 124585).
Life cycle and mating behavior
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Ribeiro, F.R.V., L.H. Rapp Py-Daniel and S.J. Walsh, 2017. Taxonomic revision of the South American catfish genus Ageneiosus (Siluriformes: Auchenipteridae) with the description of four new species. J. Fish Biol. 90:1388-1478. (Ref. 124585)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Nível Trófico (Ref.
69278): 3.6 ±0.6 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).