Plecos enter cave but no eggs

Reptiles&fish

New Member
May 17, 2020
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20
Logan, Queensland
Hey guys first time posting on this site name's Nick and I've been having some trouble with breeding my normal bristlenose plecos.

See they will enter the cave he will trap her and shake and everything but never any fry (or even eggs) i have 1 male and 1 female about 8-9 cm and another female about 6-7 cm also a 2 young longfins 2 small to sex tank has live plant, driftwood, algae wafers, zucchini, cucumber, recently started on pumpkin and occasionally bloodworms.

Please help as I have albinos coming to size also