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I know bass are good predator fish to put in a pond, but does it matter if they are largemouth or smallmouth bass? | Ponds & Lakes Q&A


Q: I know bass are good predator fish to put in a pond, but does it matter if they are largemouth or smallmouth bass?

Q: I know bass are good predator fish to put in a pond, but does it matter if they are largemouth or smallmouth bass?

Joe – Alhambra, IL

A: Bass – both largemouth and smallmouth – make excellent predator fish. These strong, scrappy guys keep your bluegill population in check. They chase frogs, eat crustaceans and snails, and even catch unsuspecting birds and rodents like small muskrats. They’re a definite asset in your pond or lake.

These two fish cousins, however, have their differences. Read on to learn which is better suited to your pond or lake.

Distinct Differences

Though they’re both species of fish in the sunfish family, largemouth and smallmouth bass have different physical characteristics. The largemouth bass, Micropterus salmoides, sports a big grin that extends way back beyond its eye, while the smallmouth bass, Micropterus dolomieu, has a smaller smile that reaches only to the middle of its eye. They also differ in their color and color patterns; the olive green largemouth has dark blotches of scales that run horizontally down its flank, and the brassy brown smallmouth has dark scales that run vertically.

Happy Habitats

These freshwater fishes both thrive in lakes, ponds and rivers, but each species has its preference. Largemouth bass favor crystal clear lakes with 2 to 6 feet of water, and sandy shallows and abundant rooted aquatic plants for spawning. They flourish in warmer water – even enjoying 80 to 90 degree temperatures in the summertime.

Smallmouth bass, however, are primarily river dwellers that like to hang out around pea-size to 1-inch-diameter gravel for spawning. They’ll tolerate lakes and ponds, but they like the steady current and higher rate of dissolved oxygen it provides. They also like water temperatures a bit cooler; anything warmer than 90 degrees F is lethal to smallmouth bass.

Food for Thought

These fishes also have different tastes in food. Largemouth bass aren’t too picky. They’ll gobble through a variety of foodstuffs, from Game Fish Grower Food to smaller fish like shad, perch, bluegill and sunfish. Smallmouth bass, however, stick to the bottom of the lake or river and nosh on crustaceans, insects and smaller fish.

Potential Pondmates?

Because both these guys are fun and challenging to fish, it would be fantastic to have both species in your pond or lake, wouldn’t it?

Large- and smallmouth bass can live together, but it takes the help of an attentive game fish manager to make that happen. The general consensus from most experts is that the largemouths will typically replace smallmouths in smaller pond settings unless subadult or adult smallies are introduced annually. Even if you provide an ideal spawning environment for them, the largemouths will still edge them out.

Bottom line: You’re better off with the largemouths. They’re easier to keep, and they adapt more readily to a pond- or lake-type environment.

Pond Talk: What types of game fish do you have in your pond or lake?

Promote Rapid Fish Growth - The Pond Guy® Game Fish Grower Fish Food

4 Responses

  1. In 2002 we stocked our pond from Pond Guys Fish Days. I think that now the large mouth have matured enough to wipe out the blue gill. We always had A LOT of blue gill but the last two years we haven’t seen them. But man, the bass are HUGE! The perch are good sized and the cat fish are monsters but nearing the end of their lives, I believe. They are turning pale and blotchy . I’m sure the bass are huge due to a healthy diet of my lovely blue gill. Lol.
    By the way, we fish with anything we have for bait. Hot dogs. Cheese. Lunch meat. Sunday they loved KFC scraps. So much so that I was hand feeding them. Crazy bass.

    • I’m glad to hear your fish are doing so well Shelley! You mentioned that the catfish are looking pale. Take a look through this article on catfish and see if you think any of it may apply to your situation. Have fun with the bass!

  2. I stocked smallmouth bass in my 1/2 acre 10 foot deep pond in upstate NY. They have been in there for 4 years now and are doing very well. They co exists with my Walleye and Crappie well. I annually stock fathead minnows and crayfish to supplement their food supply. I picked smallmouth over largemouth because I didn’t want one species taking over my pond. Contrary to all the negatives I believe my experiment worked great. I have 5 aerators going also. Fishing all species is a great experience just remember to use circle hooks if your going to use live bait to protect the fish from being gut hooked.

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