Tatia Caxiuanensis

📖 Overview

Tatia Caxiuanensis (Tatia caxiuanensis) is a ray-finned fish of the family Auchenipteridae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 4.1 cm. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 5; Anal soft rays: 10; Vertebrae: 32. Diagnosed from other species of the genus Tatia by the following features: males with distinctive modified anal fin, with elongate rays, with no denticulations on ray segments; cranial fontanel wide, with a single opening; infraorbital 1 with pronounced ventral process, almost reaching the antero-ventral border of eye rim; nasal ossified as tubes, with no medial flanges of bone and not sutured to mesethmoid; five branched pectoral-fin rays; and snout deep, depth more than 46.7% HL. Can be further distinguished by having caudal fin lobes with about the same length in both adult females and males; post-Weberian vertebrae 32; and a smaller adult size, less than 5.0 cm SL .

🌀 Behaviour

Behavioural data for Tatia Caxiuanensis is currently being reviewed.

🦐 Diet

Diet information for Tatia Caxiuanensis is currently being compiled.

🥚 Reproduction

Reproduction data for Tatia Caxiuanensis is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal. Tropical South America: known only from the type locality in Curuá river, lower Amazon basin, Brazil.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

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