Wildlife biologists and local and national fishing groups like Trout Unlimited have spread the word about the threat of didymo and felt.
Depending on what ingredients are available, this may include creamy smoked trout quilted with arugula and spread thickly on rugged hunks of toast, a he-man's tea sandwich; a pale, silky bowl of parsnip-apple soup with a hub of microdiced apple, meaty maitake mushrooms and walnuts; and compact brussels sprouts, enlivened by a do-si-do of sweet dried cranberries and salty country ham.
But in cities like Bozeman, rimmed by mountains and graced with magnificent rivers, my unscientific survey suggests that the alien invaders, with their salsa and their fine cabernets, are spreading like rainbow trout.
M. cerebralis was first recorded in North America in 1956 in Pennsylvania, having been introduced via infected trout imported from Europe, and has spread steadily south and westwards.
Although originally a mild pathogen of Salmo trutta in central Europe and other salmonids in northeast Asia, the spread of the rainbow trout (Oncorhynchus mykiss) has greatly increased the impact of this parasite.
Whirling disease originates from Europe, where it was considered to be a mild parasite of native brown trout (Salmo trutta Linnaeus, 1758) that spread to rainbow trout (Oncorhynchus mykiss Walbaum, 1792) introduced from the USA in the 1900s to supplement aquaculture industries (Hoffman 1990).
RECOMMENDED DISHES -- All desserts, fish cakes, stuffed eggplant, pilaki, stuffed sardines, grilled shrimp, octopus salad, eggplant salad, mixed salads, tarama spread, striped bass, tuna, grilled trout, gray mullet, soft-shell crabs, lamb chops, chicken.
We all know that real world officials have used games like World of Warcraft to monitor the spread of infectious diseases, like trout flu.
Spread the slices of toast with the trout mixture and serve.
We suggest that rainbow trout is particularly invasive in the region because its spread is aided by escapes from fish farms.
