Fig. 1: Tomato zebrafish show heart enlargement with growth.
From: A zebrafish model of chronic heart failure caused by protein aggregation in heart valves

A through F, Bright-field images of both wild-type (WT) and tomato zebrafish at 30 days post-fertilization (dpf) (A, A’, B, B’), 54 dpf (C, D), and adulthood (E, F). A’ and B’, Enlarged views of A, B. Scale bar, 1 mm. Black arrows: heart position.