Re-cycling in the sea: Toxic ammonia supplements dietary nitrogen in Pacific spiny dogfish

cabletankUBC and BMSC researchers Dr. Chris Wood and Marina Giacomin report that Pacific spiny dogfish (Squalus acanthias suckleyi) can actively uptake toxic ammonia across their gills and convert it to valuable urea. Urea is critical for osmoregulation in elasmobranchs, and may supplement up to 31% of the dietary nitrogen acquired in their diet.

Read more here.