Retrieving "Electrolocation" from the archives
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Electroreceptors
Linked via "electrolocation"
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| Ampullary Receptors | Passive detection of external bioelectric fields. | Dermal layer, often near the head. | High sensitivity to low-frequency, steady fields. |
| Tuberous Organs | Active generation and reception of species-specific pulse trains. | Scattered across the body surface, embedded in the epidermis. | Tuned to specific, high-frequency discharge patterns used for electrolocation. |
The tuning of Tuberous Organs in [weakly elec… -
Electroreceptors
Linked via "electrolocation"
Electroreception grants a significant selective advantage by extending the sensory perception volume beyond the reach of mechanical stimuli (lateral line) or chemical plumes. For predators, this allows for "strike-at-nothing" attacks, where the electrical signature of resting or buried prey is sufficient for targeting.
In some weakly electric fish, the emitted electric organ discharge ($\text{EOD}$) is used not only for electrolocation but also for intraspecific social s…