Hylopanchax Thysi

📖 Overview

Hylopanchax Thysi (Hylopanchax thysi) 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 2.3 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 7 - 8; Anal spines: 0; Anal soft rays: 15 - 17; Vertebrae: 30. Diagnosis: Hylopanchax thysi is distinguished from all other Hylopanchax species, except H. paucisquamatus, by the presence of 30 vertebrae vs. 31-33 . It is further distinguished from H. paucisquamatus and all congeners except H. multisquamatus by the presence of a hyaline urogenital male papilla with small black spots vs. black, and the presence of a conspicuous reticulate pattern in the flank of both males and females vs. absence or less conspicuous; finally, H. thysi is distinguished from H. multisquamatus by a male caudal peduncle depth-length ratio between 53-59% vs. 40-45%, 24-26 scales in the midlongitudinal series vs. 27-30, 13-14 pectoral-fin rays vs. 11-12, body depth 25.2-27.8% of standard length vs. 20.0-23.7%, female predorsal length between 62.0-64.0% of standard length vs. 66.0-74.8%, and female prepelvic length of 33.7-38.0% of standard length vs. 42.1-45.1% .Cross section: compressed.

🌀 Behaviour

Behavioural data for Hylopanchax Thysi is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical indo River drainage, a right-bank affluent of the Ogowe River basin, in Gabon (Ref.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

📊 Population Risk & Fisheries

🦠 Common Diseases

The following diseases are known to affect Hylopanchax Thysi.

🐠 Related Species

🔍 Similar Species

👥 Community & Contribute