Megamouth shark "M. applegatei" – have also recently been proposed on the basis of fossilized tooth remains. However, the Cretaceous-aged "M. comanchensis" has been recently reclassified as an odontaspid shark in the genus "Pseudomegachasma", and is in fact unrelated to the megamouth shark despite similar teeth morphology. The appearance of the megamouth is distinctive, but little else is known about it. It has a brownish-black colour on top, is white underneath, and has an asymmetrical tail with a long upper lobe, similar to that of the thresher shark. The interior of its gill slits are lined with finger-like gill rakers that capture
Fish decoy then “swim” or "dangle" the decoy to attract a fish in close enough to spear. Another form of decoy that is sometimes used is called a “floater”. This type of fish decoy is not weighted, but is attached to a weight that holds the decoy at the desired depth. There are other fish decoys which have one or more hooks attached. In Minnesota, and some other states, these decoys are illegal and are referred to as "cheaters". In Michigan, a hooked decoy is legal and is simply counted as one of the number of lines that each angler is allowed