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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Cichlinae
Etymology: Crenicichla: Latin, crenulatus = cut, clipped + Greek, kichle = wrasse (Ref. 45335); tuca: The specific name tuca is a Guaraní word (tucá), meaning toucan (Ramphastos) in reference to the similarly enlarged lips/beak.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce bentopelágico. Subtropical
South America: Lower Iguazú River basin above the Iguazú Falls in Argentina. Distributional range extends upstream of the Misiones Province, Argentina into the neighboring state of Paraná, Brazil.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm SL macho/indeterminado; (Ref. 104794)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 20; Raios dorsais (total) : 10 - 12; Espinhos anais: 3; Raios anais : 8 - 9.
All specimens, except two, were collected in the main channel of the Iguazú River, where they occurred as single individuals among the rocks from the walkways over the river ramming their heads and thick lips against the rock surfaces (Ref. 104794).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Piálek, L., K. Dragová, J. Casciotta, A. Almirón and O. Říčan, 2015. Description of two new species of Crenicichla (Teleostei: Cichlidae) from the lower Iguazú River with a taxonomic reappraisal of C. iguassuensis, C. tesay and C. yaha. Historia Natural 5(2):5-27. (Ref. 104794)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2024-2)
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00310 - 0.02339), b=3.09 (2.85 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.3 ±0.5 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 (10 of 100).