Facultative air-breathing in the genus ; Found in between aquatic plants (species of Ludwigia and Potamogeton) and on leaves of terrestrial plants hanging into the water . Occurs in a small, shallow creek with muddy soil and clear, slow-flowing water and also in creek with regions of rapid and slow flowing water, with loose stones, and gravel at the bottom and with dense vegetation in the margins .
Dorsal spines (total): 1; Dorsal soft rays (total): 7 - 8; Anal spines: 1; Anal soft rays: 5. Can be distinguished by the following combination of characters: presence of heavy serrae along complete posterior pectoral spine margin; presence of narrow odontode free area along anterior margin of snout; anal fin with 5 branched rays; lateral line canal incomplete and discontinuous with an anterior field bearing 2-7 pores and posterior field with 8-19 pores .: elongated.
Behavioural data for Hisonotus Ringueleti is currently being reviewed.
Freshwater; benthopelagic; pH range: 7.2 - 7.7. Tropical; 12°C - 24°C South America: Uruguay River basin.
The following diseases are known to affect Hisonotus Ringueleti.
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