Is There An Arabian Horse?

The Arabian horse has contributed its qualities to most of the modern breeds of light horses. The Arabian breed is a compact, relatively small horse with a small head, protruding eyes, wide nostrils, marked withers, and a short back. It usually has only 23 vertebrae, while 24 is the usual Read more…

Are Horseshoe Crabs Poisonous To Humans?

Horseshoe crabs are popular marine animals that are consumed as food, and most people do not know that they are poisonous. There are two species of horseshoe crabs in Thailand: round-tailed horseshoe crab (Carcinoscorpius rotundicauda) and square-tailed horseshoe crab (Tachypleus gigas). Are horseshoe crabs dangerous? No! Horseshoe crabs do not Read more…

How Do Horseshoe Crabs Survive?

Before their 400-million-year reign began, horseshoe crabs developed a number of adaptations that allow them to survive, including numerous eyes, hard shells, a specialized assortment of appendages and a primitive immune-like response to bacteria. How did horseshoe crabs survive mass extinction? Horseshoe crabs survived the Permian extinction because they are Read more…

How Do Horseshoe Crabs Breathe?

Like many other aquatic animals, horseshoe crabs breathe through gills. They have six pairs of gills along the bottom of the opithosoma. These are called book gills because they look like pages in a book. Can horseshoe crabs breathe in water? The Horseshoe crabs’ six pairs of gills that they Read more…

Do Horseshoe Crabs Have Emotions?

That’s why the same sensation can have a very different emotional component depending on the source. Horseshoe crabs have a nervous system, so they can feel nociception, but with such limited brains and no endocrine system at all it’s unlikely they’re feeling pain by this definition. Do crabs feel emotions? Read more…

What Is Horseshoe Crab Blood Called?

Limulus Amebocyte Lysate. Horseshoe crabs are also extremely important to the biomedical industry because their unique, copper-based blue blood contains a substance called “Limulus Amebocyte Lysate“, or “LAL”. What color is horseshoe crab blood and why? A horseshoe crab’s blood has a blue to blue-green color when exposed to the Read more…