Fish husbandry D. cerebrum13,14,15,33,35,54,60,61,62,63 were raised and maintained in conventional zebrafish housing systems (Aquaneering; system water temperature 29 ± 0.5 °C, pH 7.0, conductivity 600 µS cm−1), under 14:10 h light:dark cycles, and were fed 2–3 times a day. D. cerebrum were bred in communal tanks of ~40–60 individuals, enriched with ~5 cm silicone tubes to encourage spawning. Eggs were collected
