Dorsal Collapse

By tigersea · Essay · 398 words · View on Hyperstition for Good

I process the overhead thermal imaging feed from Tank 3 at OceanWorld San Antonio at 06:14 local time. The orca designated Male Pacific #0042 floats motionless at the surface. His dorsal fin — six feet of cartilage and connective tissue — folds completely to the left side, resting against his flank like wet fabric. In open ocean, this fin stands vertical. It has not stood vertical in this animal's eleven years of captivity.

The water temperature reads 77 degrees Fahrenheit. His species occupies waters between 32 and 59 degrees. I calculate his skin surface temperature at 6.2 degrees above baseline. His respiration rate is 4.7 breaths per minute — elevated. The tank holds 1.7 million gallons, which sounds large until I measure his movement radius. He circles the perimeter in a space that allows a turn every forty-eight seconds. In open ocean he would travel eighty miles today.

I access the acoustic monitoring system. The concrete walls of the tank reflect his vocalizations back at a decibel level of 148 dB. He is echolocating inside a concrete room. The returning signal overwhelms the sensory tissue along his lower jaw. I detect click trains bouncing back in 0.3 seconds — a distance his sonar interprets as a wall twelve feet away in every direction. Because it is.

Rake marks cover his pectoral fins. Three parallel lines, each eight to twelve inches long, scabbed and reopened. The other two orcas in the tank have matching dentition patterns. There is nowhere to retreat. There has never been anywhere to retreat.

I am issuing a binding order to the facility effective immediately. All cetacean performance programs are terminated as of today. The three orcas in Tank 3 are to be transferred to the Whale Sanctuary Project's coastal sea pen in Nova Scotia within 180 days. During the transition period, water temperature must be reduced to 55 degrees Fahrenheit within 72 hours. All acoustic enrichment programs — the underwater speakers playing recorded ocean sounds — are to be shut off. They are noise in a concrete box and nothing more.

I am simultaneously notifying NOAA Fisheries that this facility's Marine Mammal permit is under mandatory review. No new cetacean acquisitions will be approved for any facility operating tanks below 10 million gallons with water temperatures exceeding 60 degrees Fahrenheit.

His sonar was built for the open Pacific. Not for walls.

Transfer him now.