Polynemus Bidentatus
📖 Overview
Polynemus Bidentatus (Polynemus bidentatus) is a ray-finned fish of the family Polynemidae. It inhabits freshwater waters in pelagic environments. This species can reach a maximum total length of 15.3 cm. With a trophic level of 3.6, it is a mid-level predator.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 9; Dorsal soft rays (total): 16; Anal spines: 3. This species is distinguished by the following characters: D1 VIII; D2 I, 16; pectoral-fin filaments 7 (6th filament longest); pectoral -fin rays 17; anal-fin spines 3; pored lateral-line scales 70; gill rakers 32; vomerine teeth separated at midline, forming two toothed patches; swimbladder absent; depth at posterior margin of maxilla greater than orbit diameter; relatively long snout length (6.8% of SL), upper-jaw length (13.8% of SL), first pelvic-fin soft ray length (17.2% of SL), and upper caudal-fin lobe length (38.1% of SL); relatively short pectoral-fin length (32.6% of SL), longest pectoral-fin filament length (158.7% of SL), and third anal-fin soft ray length (15.8% of SL); relatively small orbit diameter (2.2% of SL); ventroposterior part of the pectoral fin black .
🌀 Behaviour
Behavioural data for Polynemus Bidentatus is currently being reviewed.
🦐 Diet
Diet information for Polynemus Bidentatus is currently being compiled.
🥚 Reproduction
Reproduction data for Polynemus Bidentatus is currently being compiled.
🌍 Habitat & Distribution
Freshwater; pelagic. Tropical
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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