Sea Trout - Fragments of the Past

One hundred and fifty years ago, "sea trout" of theremoved for several years until runs collapsed.
Atlantic provinces included two species, SalvelinusPoaching was rampant. The situation grew so
alpinus, and Salvelinus fontinalis.extreme that at least one province hired an inspector
Arctic char (S. alpinus) now exist in small numbers infor several years in the 1860s to report on the
New Brunswick and Gaspé, and morecondition of rivers and their fisheries.
substantial populations inhabit Newfoundland, northernI believe that a sea-run speckled or brook trout's life is
Quebec, and Labrador. "Speckled" or "brook" trout (S.variable, depending upon the state of rivers and
fontinalis) are widespread, from Labrador south to theestuaries, and far more complex than White was able
Appalachian Mountains of North Carolina.to document. For example, speckled trout in many
These days, "sea trout" in eastern waters can includeMaritime estuaries are the unofficial targets of a winter
introduced brown trout (Salmo trutta) or transplantedice fishery ostensibly for smelt. One "respected"
rainbow trout (Oncorhynchus mykiss). Sea-runmember of the local community bragged of taking
rainbows are called "steelhead" in Western Canada.more than 50 large sea-run speckled trout in the
Browns and rainbows were introduced in the lateestuary associated with the river where I operated a
1800s. Both species have established breedingfish fence. His illegal winter catch amounted to more
populations in parts of the east.than the entire May sea-trout run on the river later that
Saltwater is a lifestyle choice for many salmonids bornyear! There's little question why these fish are gone.
with downstream access. The term "landlocked" isWhite's observation that Moser River sea-run speckled
often misapplied to populations that live in fresh watertrout descend to the estuary in spring and return to the
by choice. Sometimes downstream or upstreamriver from the estuary in mid-summer might now be
passage is blocked. In other cases these landlockedaltered by acid rain, persistent summer droughts and
species, like the Atlantic salmon of the Shubenacadielow, warm water conditions in our rivers. Sea trout
River, have the option to leave, but some choose tosummer survival depends upon deep, cool, oxygenated
stay in freshwater. This usually happens whenfresh water. They can tolerate an acidity range of 5,
freshwater habitats offer abundant food resourcesbut prefer a pH of 6 or better. For that reason, sea
and other elements critical for survival. On thetrout will seek out gypsum sinks on a river for their
Shubenacadie, fall spawners come from the Bay ofmoderated acidity and cool temperatures. In more and
Fundy and from lakes. There are some geneticmore watersheds, the cold water layer that forms in
differences, but it's hard to determine if saltwaterdeep lakes during the summer no longer serves as a
habits are habitat-driven or destined by genes. Thererefuge for these fish. It becomes oxygen-depleted
may be a genetic propensity driving some folks to buyfrom excessive amounts of organic nutrients-added
Volvos.as cottage effluents, farm pollutants, golf course
Speckled trout remain a common freshwater fish insprays, and runoff from other human "developments."
Atlantic Canada. Many trout stay inland and neverCold water summer refuges in lakes and rivers have
descend to estuaries. However, if seasonal habitatsbecome limiting factors to sea trout. Agriculture,
become limited or if juvenile populations becomeforestry, and other land-clearing operations have
ovecrowded in small streams, competition for limitedaltered rivers. Wide and shallow, they flush after rains
food and space in relatively short, sterile Atlantic riverslike toilets, and offer fewer holding pools for large fish
might prompt a young trout to journey downstream toin mid-to-late summer.
the estuary. Sea-run speckled trout moved north,To determine if sea run speckled trout travel in the
colonizing new rivers as the glacial ice sheet recededopen ocean, I purchased herring nets for a local friend
about 12,000 years ago. The fresh water form mostand commercial fisherman with the understanding that
likely evolved from sea-run ancestors.any trout by-catch would be reported. He found that
What is the sea life of a brook trout? Sixty years ago,large sea-run speckled trout do occupy the open sea,
H.C. White studied a population near the Moser River,far from shore, and away from islands. There also
on Nova Scotia's eastern shore. He found theyappears to be some movement along the coast.
descended that river during April and May, when theyTagged rainbow trout released as 20cm (8 in.) fish into
were angled in the inner estuary in large numbers. Inthe South River, Antigonish County have shown up in
the harbour they fed upon minnows, elvers, isopods,Bonne Bay, Newfoundland, and on the north shore of
amphipods, and sand worms. On average these troutQuebec.
spent about two months (64.5 days) of the year atBrown trout are well adapted to estuaries and live
sea. Some wandered 13 km (8 miles) or more fromlonger than speckled trout. I've tagged individuals that
their home stream, and even ascended other streams.eventually returned to tip the scales at more than 6 kg
Local fishermen reported seeing schools of trout in(13.2 lb.). Personal angling experience has taught me
water 1.5 to 3 m (5-10 ft) deep around the inner islandsthat some large browns ascend rivers each spring
off the coast near Moser River. Trout were alsoafter spending the winter in estuaries or at sea. I catch
observed in groups around some private wharves onthem heading upstream with a flesh colour that
the mainland coast where fish were being cleaned.indicates a saltwater diet. After a summer in the river,
White documented that sea-run speckled trout travel inthey are not as deeply-coloured-¬or as tasty!
schools along the coast, feeding upon various fishMost sea-run speckled and brown trout are particularly
species and crustaceans. Trout were observedvulnerable after ice-out in early spring. Those that
darting about as if feeding, while schools movedescape the winter's gauntlet of ice fishing shacks
quickly past. Schools usually had the same size trout,congregate at the mouths of our rivers with other trout
probably a reflection that large trout have a tendencyand Atlantic salmon that have moved downstream.
to eat small trout. White also noted fewer schools ofHere rainbow smelt amass before upriver migrations.
larger fish. Many were angled from clear sea waterRising water temperatures and concentrated prey
along rocky shores. Their backs were a lightmean that hungry trout begin seriously feeding. They
blue-green, sides silvery and bellies pearl-white. Thisare too easily caught by anglers using bait.
colouration blended with the background so well thatWhile studying to become a biologist at an Atlantic
they were hard to see.university, I was once invited by friends to swing
Several studies report that speckled trout in the oceansalmon (using gill nets illegally at night in a pool). I
eat rainbow smelt, Atlantic silversides, and juveniledeclined the offer. Nets are still used by greedy,
hake, as well as shrimp, amphipods, isopods , andthoughtless people to catch salmon and sea trout on
terrestrial beetles. Sea-run speckled trout grow fast,rivers where populations persist. The river near my
reaching 2.7 kg (6 lb.) or more.university empties into the Bay of Fundy, where
How common were sea-run speckled trout? I studiedAtlantic salmon stocks have all but collapsed. The
one eastern Nova Scotian river with a tradition ofproblem is not just "at-sea mortality."
fishing sea trout on the long weekend in May. OneWhile poachers still ply the rivers, we've an equally
senior citizen recalled travelling a whole day by horsesorry history of commercial fishery management.
and wagon from a nearby county to get to this river inFishermen blame governments for rules that aren't fair,
the 1920s. She and her father spent a day catchingdon't fit or make sense. Politicians have too often
sea trout and loading them into the wagon, then a dayignored the science and warnings of some fishermen
to return home. When I operated a fish fence aboveover matters like the northern cod, while other
the mouth of that same river in the 1980s, during thefishermen empty the oceans. I fear that sea trout
two-week period centred around that long weekend,have been, and will continue to be, a victim of blind
we caught fewer than four dozen trout. In 60 yearscommercial technologies that quietly kill and dump too
the sea trout population plummeted from wagon-loadsmany non-target species.
to a few dozen. The legend lives on, but not the run.Sea-trout stocks in Atlantic Canada are mere
Tough times for sea trout began in the latter half ofshadows of their former selves, reduced by
the 19th century, when forest cutting and land clearingoverfishing and habitat losses. Smelt shack devotees
in the Maritimes reached a peak. Many eastern riversand spring "meat" fishermen should rethink their
and streams were straightened to facilitate log andattitudes. Stiffer legislation is necessary to give
pulp drives. Dams for water-powered mills were builtsea-trout populations a much-needed human predator
upstream from estuaries. Rules of the day required"break."
fish ladders, but few operable ones existed. Mill wasteThere is hope. Fish & game, river associations,
was deliberately dumped and frequently cloggedand other conservation groups are restoring aquatic
channels downstream. Sea-run trout, smelt, gaspereau,habitats for sea trout and Atlantic salmon in eastern
salmon and others on annual spawning runs movedrivers-in spite of mediocre federal support. Beyond the
upstream to find passage blocked by the first dam.shadow of a trout, this is a worthy cause!
There they were pitch-forked, netted, or otherwise