Almeida toothcarp

📖 Overview

Almeida toothcarp (Cnesterodon pirai) is a ray-finned fish of the family Poeciliidae. It inhabits freshwater waters in pelagic environments. This species can reach a maximum total length of 2.8 cm. With a trophic level of 3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Critically Endangered on the IUCN Red List.

🔬 Taxonomy

🐟 Physical Description

Cnesterodon pirai is diagnosed by the combination of the following characters: 6 to 8 irregular dashes on flanks, ranging from oval to vertical stripes on females and 7 to 9 irregular dashes ranging from oval to circular dots on males (dashes both on males and females covering 1 or 2 scales in transverse row); absence of a large post-gonopodium blotch on ventral profile in adult males; lack of a distal filament on gonopodium; absence of longitudinal dark-brown band along flank; snout pointed and long (16.7–28.7 %HL); possession of 12–13 epipleural ribs; medial surface of ascending process of premaxilla approximately straight; presence of teeth on fourth ceratobranchial; distal portion of third and fourth gonactinosts separate, except by tip of third gonactinost; fifth gonactinost free; and presence of a constriction on unpaired appendix of gonopodium .

🌀 Behaviour

Behavioural data for Almeida toothcarp is currently being reviewed.

🦐 Diet

Diet information for Almeida toothcarp is currently being compiled.

🥚 Reproduction

Reproduction data for Almeida toothcarp is currently being compiled.

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical; 27°S - 28°S South America: Argentina.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

👥 Community & Contribute