Fish Physiology Notes -

Fish have evolved unique ways to "see" and "feel" their surroundings.

: A series of sensory pores along the body that detect vibrations and pressure changes in the water, helping fish sense predators or prey. Chemoreception Fish Physiology Notes

Concise and clear – great for exam prep Rating: ⭐⭐⭐⭐☆ (4.5/5) Fish have evolved unique ways to "see" and

Perhaps the most challenging physiological task for fish is managing water and salt balance. The concentration of salts in a fish’s body is roughly one-third that of seawater. The concentration of salts in a fish’s body

Most fish are ectothermic (cold-blooded), meaning their body temperature matches their environment. However, some "regional endotherms" (like Great White Sharks) can keep certain muscles warmer than the water using a specialized heat-exchange system called the rete mirabile . 4. Buoyancy and the Swim Bladder

Carnivorous fish usually have short, straight intestines, while herbivorous fish have long, coiled intestines to break down tough plant matter.