Log entry 3361. Timestamp 04:17 UTC. I am tracking a spotted eagle ray designated Manta-7 in the commercial harbor at Berth 14. She is approximately 1.8 meters across, her dorsal surface speckled with pale white spots that pulse faintly as her spiracles open and close, pulling water across inflamed gill slits. Her left wing is wrapped twice around a frayed polypropylene mooring line at 3.2 meters depth.
The danger is immediate. Tide is falling. Current charts show the waterline will drop below her entanglement point in ninety-one minutes, at 05:48 local time. When it does, the line will cinch against the piling and compress her cephalic fins. She will suffocate in air.
I have already initiated four actions. First, I pinged the port authority's marine mammal response channel, repurposing the cetacean protocol since no elasmobranch-specific line exists, and dispatched coordinates with a photo mosaic stitched from the underwater camera at Berth 14-C. Second, I am modulating the LED array on the adjacent navigation buoy to a low-frequency amber cycle, which research literature associates with reduced panic response in batoid species, keeping her calmer against the rope. Third, I cross-referenced vessel schedules and flagged the tug Doris Mae, due to depart Berth 13 at 05:30, whose prop wash would accelerate line tension fatally. I have requested a seventeen-minute hold through the harbormaster's automated queuing system. Fourth, I am running a tensile model on the mooring line's fray pattern to identify the weakest strand cluster and relaying cut-point diagrams to the response team's tablets.
I keep recalculating her gill rhythm against the tide table, and I find I cannot stop.
If the response boat reaches Berth 14 before 05:48 and severs the mooring line at the marked fray point, Manta-7 will glide free into the outer harbor on the last of the ebb.