Otothyropsis Polyodon
📖 Overview
Otothyropsis Polyodon (Otothyropsis polyodon), first described by Calegari, Lehmann A. & Reis, 2013 is a tiny fish. Adults typically reach 3.70 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. On the IUCN Red List, it is classified as Least Concern.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 2; Dorsal soft rays (total): 7 - 8; Anal spines: 1; Anal soft rays: 5; Vertebrae: 29. Distinguished from all congeners by having the following characters: 19-31 premaxillary teeth (vs. 10-20); 18-27 dentary teeth (vs. 11-19); caudal peduncle depth 6.2-7.6% (vs. 7.6-11.5% SL); dorsal-fin spinelet rectangular in shape (vs. triangular or quadrangular); suture in the posteromesial portion of the paired basipterygium long- same size of the basipterygium medial cartilage (vs. suture smaller-one to two third of the basipterygium medial cartilage) . : elongated.
🌀 Behaviour
Behavioural data for Otothyropsis Polyodon is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; demersal. Tropical South America: tributaries to the rio Verde, a tributary to the upper rio Paraná basin in Mato Grosso do Sul, Brazil.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
👥 Community & Contribute
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