Kathie Wilson remembers getting goldfish from the truthful when she was a younger woman. Maybe it was from the sport the place you attempt to toss a ping pong ball right into a bowl, or the ring toss, she will be able to’t bear in mind.
She’d put them in a bowl and handle them, however she by no means actually thought of fish as pets. She knew nothing about them.
That modified about six years in the past, when the Morgan County native took a brand new job at a farm down the street from the place she was raised. Her father had accomplished building work there years earlier.
From above the place appears to be like very like a grid, not not like hen’s-eye views of different Hoosier farms: A patchwork of fresh traces and angular plots. But they’re not fields, not less than not within the conventional sense. Rather, it is a farm that makes use of ponds to grows its crop — the very fish that Wilson gained as a little bit woman.
“If you’ve been to a fair or a carnival,” she said, “then you’ve picked up one of our goldfish.”
Ozark Fisheries has been around for about a century, selling ornamental fish to pet suppliers as well as carnivals and water gardens. It’s one of the oldest private fish farms in the country, raising millions of fish each year in hundreds of small ponds near Martinsville, a town of about 12,000 between Indianapolis and Bloomington with the White River bordering its westside.
The Ozark farm, which got its start as Grassyfork Fisheries in 1899, produces multiple types of goldfish and even a couple different kinds of koi.
As with most agriculture, fish farming is a carefully run science project. It has seasons, the “fields” must be ready, it has pests that may hurt the “crop,” it has fertilizer (on this case, fish meals), it’s depending on the climate, and it has particular home windows for harvesting.
“A lot of it is the same: I’m raising a product that I’m growing,” said Margaret Cleveland, who helps run Ozark Fisheries with her father and brother. “We raise a crop, feed it, grow it out and do the best you can in hopes you have a good product to sell.”
That said, “keeping fish alive is pretty complicated,” Cleveland said. “Farming is a lot of work, any farmer would say that.”
Ozark Fisheries seemingly has it figured out, but they’ve had a lot of practice.
Farming fish for a century
Before it was Ozark’s fish farm, it was Grassyfork.
A man named Eugene Shireman inherited land in Martinsville in the late 1800s, but it was swampy and ill-suited for farming — traditional farming, that is. At that same time, goldfish were gaining popularity across the country after having arrived from China about 20 years before.
He first discovered the vibrant fish himself when the world’s fair came to the region in the 1890s. He was fascinated, Wilson said, captivated even. But sources in the U.S. for goldfish, which were becoming a novelty, were limited.
Shireman saw an opportunity, and had the perfect spot.
“He knew he couldn’t do row crops in that area,” Cleveland said, “but water was pretty abundant.”
A couple years after establishing Grassyfork Fisheries in 1899, he bought 200 breeding goldfish. The business took off from there and over the years Shireman was able to purchase additional land in Martinsville to expand the farm.
Grassyfork became one of the largest goldfish hatcheries in the world and earned Martinsville the nickname “Goldfish Capitol of the World.” It’s also one of, if not the, oldest continuously-operated private fish farms in the country.
With the popularity of goldfish booming, others started to get in the game. By the early 1920s, there were more than 60 goldfish producers in the U.S. While Grassyfork was still a leader, others popped up in Maryland, Ohio and Pennsylvania.
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One competitor, Ozark Fisheries, opened in Missouri in 1926. It was started by Cleveland’s great grandfather. Initially a trout hatchery, the focus soon shifted to goldfish with an eye to the “fancy varieties.”
Grassyfork and Ozark were each other’s biggest competitors, Cleveland said, until they joined forces when Ozark acquired Grassyfork in the 1970s. Combined, they became a very big fish in a small pond.
There are a number of methods to measure measurement: income, variety of fish, acreage, and so forth. Cleveland boils it right down to one thing extra fundamental: “We’re the largest with what we do.”
They raise five different types of goldfish and two species of koi. Some are solid colors while others are mixtures of orange, white, black and even bluish hues. The goldfish can be as small as an inch but usually are a few inches while the koi can be as large as one to two feet.
Everything they raise is for looking at, Cleveland said, “not for eating.” The ornamental fish are meant for bowls, aquariums, fountains and ponds.
The goldfish and koi they produce are very nice, she said, but they aren’t trying to raise show-quality fish.
“We are like the Fords and the Chevys,” the fourth-generation fish farmer stated. “You can buy Bentleys and BMWs, but we are going for more of a really pretty fish that’s really good quality and at a good price for people.”
In addition to the former Grassyfork farm, Ozark still operates a fish farm in Stoutland, Missouri, which sits between St. Louis and Springfield. Cleveland grew up on that farm with her brother, who now oversees things in Martinsville.
She said the work is very rewarding, but it’s also “very, very hard.” Still, she wouldn’t trade her job, and the title that goes with it. The Missouri farm, where Margaret Cleveland keeps an eye on things, also has some cattle that they raise.
“I don’t tell people I’m a cattle farmer, I tell them I’m a fish farmer,” she said. “It’s always been in my blood.”
Raising fish ‘a really neat process’
The farming cycle starts with breeder fish. These are the goldfish and koi that have various qualities — such as coloring, fin size and shape, etc. — that Ozark wants to see passed on to their offspring.
“We will only keep the best of the best to have as broodstock,” Cleveland said.
Most of the goldfish brooders are about three years outdated whereas a number of the koi are greater than 10 years outdated. Those fish are about three toes lengthy, Cleveland stated: “They are like whales.”
Starting late in the spring, once the waters reach a certain temperature, it’s spawning time. The brood fish are moved to large tanks — the very tanks that Wilson’s father helped build on the farm — where they release their eggs over a short period of time. Mats at the bottom of the tank catch the eggs so they can be moved into the hatchery to what are essentially incubator tanks, Wilson said.
Those tanks are being monitored multiple times every day and workers are controlling the water temperature, amount of oxygen, and other factors to create the best growing environment. After two to three days, the eggs hatch in those tanks.
“When the fish are born, they are about the size of an eyelash,” Wilson stated. Each tank within the hatchery on common holds about half 1,000,000 child fish and there are 60 tanks on the Martinsville farm.
Within just a couple days of hatching, those young fish are taken out to a pond to make way for more eggs in the hatchery. The farm hatches all its fish for the year in just a six-week period between late May and early July, depending on the weather. Needless to say, Wilson said, it’s busy.
There are roughly 300 ponds, each about an acre in size, across the farms in Martinsville. They stretch around trees and some are hidden behind little hills — from atop one, the ponds look almost like a coloring book crisply penciled in with varying shades of muted blues and greens. The small walkways in between become the borders to stay within, and if you zoomed out you’d expect to see a shape take form.
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Those ponds are where the fish are raised for the next few weeks and months. But the farmers’ work doesn’t stop there. The ponds have to be drained and cleaned in preparation for the fish. All the ponds in Martinsville are naturally fed from a creek that runs through the farm as well as surface and rain water that’s collected.
The farmers will even rigorously select what sort of fish and what number of go in every pond, Wilson stated. More fish means they are going to keep smaller as a result of there may be much less area and fewer assets. Fewer fish in a pond, then again, will permit them to get greater.
Once the fish are older, the workers also feed them a special formula of food that has one key difference from typical fish food: It sinks. That’s on purpose to keep the colorful fish away from the pond’s surface — where they look tasty to herons and eagles in the area — while they eat.
The farm goes through a lot of fish food, Cleveland said. The farm’s millions of hungry, growing fish go through about a tractor-trailer full every other week.
It takes about 60 to 90 days before the fish come to sellable size, Cleveland said. That’s also the same timeframe when they start to develop their distinct coloring based on sunlight, water temperature and food.
“People don’t realize what it takes to raise them,” Wilson said, “but it’s a really neat process.”
From ponds to people’s homes
After a few months, it’s time to harvest.
Workers donning waders — some knee-high and some chest-high, all seemingly part of the uniform to work there — will collect the fish from the ponds. They range from about four to six feet deep, and each pond has a number. Wilson knows many of them, but she admits not quite all. Her domain is the sorting and shipping, which comes a bit later in the process.
The fish’s journey comes full circle as they make their way back to large concrete tanks. There they are sorted based on size and the fish also begin to be transitioned from the natural creek water to well water.
Every step of the way in which, the fish are given a pair days to destress — Ozark tries to deal with its fish as little as doable to maintain them joyful and wholesome. Not solely are the fish sorted for measurement, however in addition they are checked for defects of their fins, scales, coloring, and so forth.
Still, nothing is wasted, Wilson said. Those that aren’t worthy of aquariums are sold instead as bait or feeder fish. That’s not all that Ozark sells: They also have minnows, crayfish and bullfrog tadpoles with bodies the size of a whole walnut. Those animals naturally occur in the ponds, Wilson said, so the workers collect them, too.
Last year, Ozark hatched just over 100 million baby fish, Cleveland said. By the time it comes to harvesting, however, only about 25% of those fish have survived. That’s not unusual — they might be eaten by herons, snakes, turtles and other critters. Still, the farm is always trying to do what they can to help more fish survive.
“Humans have few offspring but high survival rate,” Cleveland said. “Fish are at the opposite end and have lots of babies in the hopes that just a few survive and pass on genetics.”
The fish are shipped out to a variety of different places including big pet chains, small mom-and-pop stores, carnivals and now through online pet partner sites, can dropship directly from their farm to individuals’ homes.
Shipping has advanced considerably additional time. Decades in the past, shipments went out in giant steel cans by way of the railway. But Ozark then developed and patented a selected sort of packaging and system that measures the scale of field wanted based mostly on the variety of fish, in addition to how a lot water and oxygen are wanted. This innovation allowed the fish to be shipped with airfreight, touchdown on clients’ doorsteps inside simply 24 to 48 hours.
They can ship as many as a couple hundred small fish or one fish as big as 18 inches in a single package. Anything bigger than that needs to be picked up, said Wilson, the packaging and shipping is her expertise.
It took Wilson six months to be able to touch a fish after she started working there. She’s been at Ozark for six years now. “But it took me a year and a half to touch a crayfish,” she said, “those were harder for me.”
Harvesting happens multiple times a year and the farm is shipping out fish year-round. While they drain some ponds in the wintertime, they keep others open and move fish around to consolidate them.
Despite the hundreds of ponds and millions of fish, the farm smells anything but fishy. The air was clean and crisp, almost a little sweet — reminiscent of a day spent on the river. And it was peaceful. The sounds of I-69 running along part of the farm are quickly lost to the rippling sounds of the creek running through the acres of ponds.
Aquaculture in Indiana is changing
While Ozark may be the oldest and one of the most well-known fish farms in the state, it certainly is not the only such farm.
“People don’t think about the aquaculture industry at all in Indiana,” Cleveland said, “because it’s an inland state.” But it’s actually happening more than most Hoosiers might think — there are four other small fish farms operating just around Martinsville.
Amy Shambach, an aquaculture specialist with Purdue University as well as the Illinois-Indiana Sea Grant, couldn’t agree more.
“Aquaculture has always been in Indiana and it’s a really diverse industry, both in the species that are raised and how farmers have raised them,” she stated. “Some are doing emerging species in experimental ways and some are doing things tried-and-true.”
Ozark’s production method using earthen ponds and natural water flowing through is the most basic aquaculture technique and something that’s been seen throughout the U.S. for decades, Shambach said. On the other side, Indiana has some of the most advanced aquaculture practices within its borders, too.
An indoor farm in northeast Indiana grows the country’s first bio-engineered salmon. And a farm in central Indiana that started by raising largemouth bass outdoors added a new indoor facility in recent years to grow barramundi indoors. An Australian fish, the barramundi require a warm, climate-controlled environment.
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In addition to these food fish, Indiana also has farmers growing other fish primarily for game-fishing and others for bait.
Throughout its long history, the aquaculture industry has continued to evolve over time, Shambach said.
“It has changed as technology has become available and as farmers’ interests have changed and also as markets have changed,” she said. “Some farms have expanded, some farms have come and gone and then seeing new species brought in.”
Shrimp within the Midwest is comparatively new, in addition to the salmon and barramundi. She sees aquaculture as a rising business within the state and a brand new pathway that farmers can take — particularly with the appearance of indoor recirculating applied sciences that permit farmers create the precise setting sure species want.
There are lot of different names for someone who works in aquaculture, Shambach said: “Aquaculturist, fish culturist, fish farmer — those are the top ones that come to mind. But my favorite is water farmer — I’m not farming soil, I’m farming water.”
With Ozark’s longevity, Cleveland said there aren’t as many fish farms as their used to be. Still, she loves telling people what she does and filling in the occupation line on paperwork.
“I enjoy the uniqueness of it and the fact my great grandfather had a passion for fish and was able to make something out of that,” she said, “and now my family keeps it going.”
Call IndyStar reporter Sarah Bowman at 317-444-6129 or email at firstname.lastname@example.org. Follow her on Twitter and Facebook: @IndyStarSarah. Connect with IndyStar’s environmental reporters: Join The Scrub on Facebook.
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