A kind of removable link formula cage trap, including link cage trap leading portion (20), link cage trap middle section (30), link cage trap Hou section (40). Link cage trap leading portion (20) main body is equipped with two groups " insert and inside contract bucket type structure (21) ", can leave cage trap to avoid fishes and shrimps. The end of link cage trap leading portion (20) is equipped with bolt (Hou end) (22), as the connector for extending cage trap. Link cage trap middle section (30) main body sets up that there are two " semicircular both ends be embedded in magnet weight (31) ", two semicircular both ends insertions magnet weight (31) can mutually be adsorbed, semicircular both ends are embedded in the outside front ends of magnet weight (31) setting what link cage trap middle section (30), can increase the weight that cage trap sinks under water. The front end and Hou end in link cage trap middle section (30) are respectively equipped with nut (front end) (33) and bolt (Hou end) (34), as the connector for extending cage trap. The outside in link cage trap middle section (30) is equipped with shackle (35), can be used as to extend to restrict to tie up and sets use. Link cage trap Hou section (40) is equipped with " movable lure cage (Hou end) (42) ", bait can be made sufficiently to dissipate, and the fishes and shrimps for avoiding bait from being entered cage trap too early are suffered all, to promote and increase the effect of trapping fishes and shrimps. Link cage trap Hou section (40) end is equipped with nut (front end) (41), as the connector for extending cage trap. By link cage trap leading portion (20), the combination in link cage trap middle section (30), link cage trap Hou section (40), the trap of the preferable trap effect of one tool of composition and adjustable cage trap length.一種可拆式環節式誘捕籠，包括環節誘捕籠前段(20)、環節誘捕籠中段(30)、環節誘捕籠後段(40)。環節誘捕籠前段(20)主體設有兩組「倒插內縮斗型結構(21)」，可以避免魚蝦離開誘捕籠。環節誘捕籠前段(20)的末端設有螺公(後端)(22)，做為延長誘捕籠的接頭。環節誘捕籠中段(30)主體附設有兩個「半環狀兩
