tuna

Explores the histories of salmon, sea bass, cod, and tuna, describing how their numbers are decreasing in the wild and how higher levels of PCBs and mercury are being found in seafood, and discussing efforts to regain the oceans for healthy and sustainable food sources.

Photographs and simple text introduce the reader to the physical characteristics, habitat, and habits of the tuna.

Describes the physical characteristics, natural habitat, behavior, diet, and world distribution of tunas.

Describes the physical characteristics, natural habitat, behavior, diet, and world distribution of tunas.

Explores the histories of salmon, sea bass, cod, and tuna, describing how their numbers are decreasing in the wild and how higher levels of PCBs and mercury are being found in seafood, and discussing efforts to regain the oceans for healthy and sustainable food sources.