Porcupine river stingray
📖 Overview
Occurs in marshy zones where it is frequently found partially hidden in the sandy bottom. This behavior, associated with its perfect immobility and its capacity to undergo homochromy, makes it practically undetectable to the eye. Like all species of this family, P. hystrix has a tail which is equipped with one or more spines which fall spontaneously and are replaced 2 or 3 times a year. At a length of 4 to 6 cm, the spine is a barbed, flattened skeletal formation inserted dorsally in the middle portion of the tail. Its structure is similar to that of a tooth and appears as an ivory cone covered with enamel. The spine is coated with an extremely toxic mucus produced by the cells of the skin and inflicts very painful wounds .
🔬 Taxonomy
🐟 Physical Description
dorsally in the middle portion of the tail.
🌀 Behaviour
Behavioural data for Porcupine river stingray is currently being reviewed.
🦐 Diet
Diet information for Porcupine river stingray is currently being compiled.
🥚 Reproduction
Reproduction data for Porcupine river stingray is currently being compiled.
🌍 Habitat & Distribution
Freshwater; benthopelagic; dH range: 10 - ?; potamodromous . Subtropical; 24°C - 26°C South America: Paraná-Paraguay River basin.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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