The phrase "a big catfish" is correct and usable in written English.
It can be used in contexts discussing fish, fishing, or metaphorically referring to someone who deceives others, especially in online interactions.
Example: "While fishing at the lake, I caught a big catfish that weighed over twenty pounds."
Alternatives: "a large catfish" or "a giant catfish".
When Carol's husband, Joe, caught a big catfish in nearby Joachim Creek last summer, they did not eat it, for fear of contamination.
But in years of hunting, he said, no experience compares to plunging his bare hand into murky water and feeling the powerful jaw of a big catfish clamp down on his arm.
Nessie, he claims, is actually just a really, really big catfish.
In terms of economic value, a 10-pound catfish is more valuable than 10 pounds of small fish – even though 10 pounds of small, bony fishes are more nutritious than 10 pounds of a big meaty catfish".
Noodlers reply that big catfish eat little catfish.
The noodler's score means one less big catfish in the population and leaves those eggs vulnerable to other predators.
By late afternoon, Uniontown was hungry for catfish, which came from farm ponds nearby and was then cleaned and sliced at the town's big catfish plant.
Some noodlers have drowned trying to grab big catfish while many bear the scars of their sport, including missing fingers bitten off by the fish - or snapping turtles and beavers that take umbrage at being disturbed.
Dr. Hiebert said the ship might have started its journey in Sinop, on the sea's southern shore, then picked up the fish cargo on the northern shore at the Crimean Peninsula, where big catfish thrived in the rivers.
[One starting point might be] a fisheries agreement among the Amazon nations, from the headwaters to the estuary, for some of those big catfish.
Sure enough, fish carcasses scattered the ground and in a very small patch of dirty water, dozens of big catfish-looking creatures flailed and clamored for their lives, getting stuck in dried-up tributaries.
