They actually also included the day of the quarter moons, adding two days to the tally, which occupies now better than half of the lunar month. Why did they add quarters? Well... there are some moon theorist anglers that like the quarter, and it just so happens a few record catches happened to fall on the quarter day.
Interestingly, and either confoundingly or tellingly, there have been moon theories proposed by a number of well-known/respected anglers that, if taken all into account, essentially cover the entire lunar month.
My response from a previous thread on the mid-day subject:
There is good info in that video, such as the general idea that large bass are successful predators, and there is research to suggest that aggressive individuals do grow faster and have a better chance at getting big –provided the food is there, and angling pressure and associated mortality is low.
But, do big bass feed more at midday? Are more big bass caught at midday? Are big bass more vulnerable to angling at midday? Are these even the same questions? I’m not sure we can actually get at the first question or third questions by answering the second.
-First, saying anything about “big bass” is a statistical nightmare –most often comprising low number data sets. Second, angling success data offers precious little control, even recognition, of the possible variables involved. Collecting angling data across the continent, (and ignoring season, weather, sky and water conditions, prey type, availability and vulnerability, angling pressure, angler habits, angler effort, etc), is a recipe for chaos.
-Bass vision: There is a fair amount of research that pertains to bass behavior and lighting, and some of it doesn’t really jive with what is stated in the video. The fact that bass have color vision does not mean they cannot hunt in low light or are even less efficient –esp compared to their prey. According to some research I’ve seen bass can see much better than bluegills in low light. Many small prey fish species head for cover or shelter for the night -for good reason. Telemetry studies have shown increased crepuscular and nocturnal activity in bass in many waters. Probably depends a lot on season, prey, angling pressure.
-Prey vulnerability to bass. There is research that has looked at hunting success by LM under different lighting. One in particular found that under brighter lighting bluegills were able to avoid LM and capture rates by the bass fell. During low light bass could approach closer and capture rates increased. I’ve seen this type of thing myself on ponds I fish where I purposely watch bass hunt from high banks. Under brilliant sun, bass make fewer chases and time and again I’ve seen bass enter a cove and see the bluegills stream away and into cover well out ahead of the cruising bass. It’s apparent that they can see the bass from a long ways out.
Now, one could argue that these are not “big” bass. Yet they are the largest and oldest bass in these small ponds. Thus they should also conform to Hannon’s suggestion that these are the “rule followers” –the one’s that have survived. There’s a hole I see in the “rule follower” idea that assumes that there is one set of rules that bass follow, as if every year or every season would be the same. Prey abundance, prey vulnerability, cover density, and other factors can vary greatly year to year. One set of “rules” may not pan out the next season, much less the next year. Becoming “big” is not a formula that is met at all times. And being an “aggressive individual” carries tremendous risks. There is some research in brown trout too -a fish that has the ability to diverge in growth pattern from cohorts due in large part to aggressiveness in feeding- and many of these individuals burn out and die depending on what’s available to support such growth. Growing “big” is, in large part, luck.
-Bass vulnerability to angling: I think it’s safe to say that, at least for northern largemouths, large bass are most vulnerable during the cold water periods. In the north, sun angle can be low enough that the prime periods tend to shift to midday. Dunno how this pans out for floridanus, and I know Hannon has written that he caught most of his big bass in summer. His experience is with Florida strain largemouth. Maybe floridanus is different? Certainly sun angle, and water temps, would be different. Roger?
-Angler effort weighs in heavy. I remember all the excitement around the Texas Sharelunker program catch rate and moon phase comparison. At one point early on, a poorly done statistical investigation suggested that catches of lunker bass clustered around the full and new moons. Well, that ended up being wrong. Catches were pretty much evenly distributed against moon phases. The most solid conclusion that could be drawn turned out to be that the most significant period to catch a Sharelunker qualified bass in Texas was … on a weekend.
How does angler effort vary across the day on each water body? As to time of day, how many anglers get up at 3 or 4am to be on the lake at sunrise? Also, I don’t know about you but it often takes me some time to get my act together, figure out what’s going on for the day, and then to revisit those good locations ferreted out for the day. By then, it’s not 9am anymore. Does time to get to casting change with age? Do older, and presumably more experienced, anglers tend to fish later in the day than many gung-ho younger anglers –if so, maybe it’s more a matter of energetics than it is success rate on “big” bass. I wonder how success rate on big bass would compare between night and day, if corrected for effort?
Do big bass feed more at midday? How would we know?
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