Update on trimethylamine N-oxide (TMAO) as a piezolyte and cryoprotectant: its role in a depth limit for marine fishes and loss from hadal fish during capture حسب Paul Yancey (14354982)

"…Except for teleosts (see below), these animals are osmoconformers, such that as TMAO increases with depth, other osmolytes must decrease (e.g., urea in elasmobranchs as noted above). …"