Stick to low-mercury fish such as salmon, canned light tuna, pollock, catfish, and shrimp.

Allowable fish include canned light tuna, shrimp, salmon, pollack, or catfish.

Four of the most commonly eaten fish that are low in mercury are canned light tuna, salmon, pollock, and catfish.

Another commonly eaten fish, albacore ("white tuna") has more mercury than canned light tuna.

Other foods rich in vitamin D include fattier fish, such as salmon and light tuna.

However, most canned light tuna is skipjack tuna and is very low in mercury.

The advisory also points out that tuna steak and canned albacore generally have more mercury than canned light tuna.

According to the agency, canned albacore, often called white tuna, has nearly three times as much mercury as canned light tuna.

Pregnant women should choose fish that are low in mercury, such as catfish, salmon, and canned light tuna.

To get more vitamin D, use canned light tuna rather than albacore, which is sometimes called canned white tuna.