Colomesus Tocantinensis
📖 Overview
Colomesus Tocantinensis (Colomesus tocantinensis) is a ray-finned fish of the family Tetraodontidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 3.5 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms.
🔬 Taxonomy
🐟 Physical Description
This species is distinguished from its congeners (asellus, psittacus) by the following characters: basal pterygiophores 6-7 and anal-fin rays 9 (vs. 10-11 for both its congeners); basal pterygiophores and dorsal-fin rays 10 (vs. 11); an opercle with a posterior ventral border subdivided in a ventral and a posterior region, the herein called ‘‘inverted V’’ shape (vs. triangular opercle); differs from C. asellus by the absence of dermal flaps across the chin (vs. uniquely present in C. asellus); caudal peduncle with 8 vertebrae .
🌀 Behaviour
Behavioural data for Colomesus Tocantinensis is currently being reviewed.
🦐 Diet
Diet information for Colomesus Tocantinensis is currently being compiled.
🥚 Reproduction
Reproduction data for Colomesus Tocantinensis is currently being compiled.
🌍 Habitat & Distribution
Freshwater; demersal. Tropical South America: Brazil.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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