The advantage of TP is that they spawn even faster than BG, plus they eat cheaper feed. Also, if you raised prawns (or maybe even PK shrimp) with them, the TP would leave them alone.

The disadvantage, of course, is that TP are seasonal and must be purchased every year

7ac 2015 CNBG RES FHM 2016 TP FLMB 2017 NLMB GSH L 2018 TP & 70 HSB PK 2019 TP RBT 2020 TFS TP 25 HSB 250 F1,L,RBT -206 2021 TFS TP GSH L,-312 2022 GSH TP CR TFS RBT -234, 2023 BG TP TFS NLMB, -160