Similar to shrimp, the jury is still out on whether or not crab is safe to feed to your pet. Thereâs a chance that if fed in small portions, your dog should be fine. However, crab contains a lot of iodine, which many dogs are allergic to. These types of shellfish are fine for dogs to eat in moderation.
A strait is a naturally formed, narrow, typically navigable waterway that connects two larger bodies of water. Most commonly it is a channel of water that lies between two land masses. Some straits are not navigable, for example because they are too shallow, or because of an unnavigable reef or archipelago.
An isthmus is a narrow piece of land that connects two larger bodies of land. An isthmus is bordered by water on both of its sides. Isthmuses are important because they enable migration and ease of transport from one major landmass to another.he Isthmus of Tehuantepec. Though not as well known as Suez and Panama, the Isthmus of Tehuantepec in Mexico is another example of the landform. The Isthmus of Tehuantepec connects Mexico and Guatemala. It serves as a gateway to and from Central America.