The current dataset presents a collection of 173 experiments of male-male, female-female and wt-mutant zebrafish pairs engaged in competitive interactions. In the dataset provided here, besides healthy, WT fish, we have also captured the fighting behavior of two genetically modified zebrafish models, a model forRTT (mecp2 mutant) and a model exhibiting increased aggression (fgfr1a mutant). The dataset contains the following files: tracks.zip: This archive includes the tracks of the two fish in CSV format for all 173 experiments. The tracks of each fish are separated in the coordinates of the fish head, pec, and tail. Zebrafish20250204_0944_sample_video.mp4: This is a sample video (1 minute) containing all three camera views with the 2D SLEAP predictions as well as the final 3D locations of the fish overlaid. metadata.csv: This is a CSV file containing the metadata of the experiments. The columns included are the experiment_id, the date of the experiment, the sex of the fish, the cage (circular, or square), and the genotype of the fish.