Author

Jack Davis

A University of Maryland fisheries and wildlife graduate, Jack Davis works as a fisheries technician for a state conservation agency in Ann Arbor, Michigan. Over a 22-year career, he has conducted seasonal electrofishing surveys on inland rivers and assisted at a state fish hatchery. Davis also writes about freshwater fish biology for Biology Insights.

How Do Fish Naturally Get in a Pond?
Why Are Sunfish Called Useless? A Scientific Look
What Is an Anal Fin? Its Anatomy, Role, and Diversity
Do We Know Where Eels Come From? A Scientific Mystery
What Is a Fish Hatchery and How Do They Work?
What Is a Gill and How Does It Work?
How Does the Atlantic Salmon Migration Work?
Adaptations and Behaviors of Three-Spined Sticklebacks
How Old Are Catfish & How Is Their Age Determined?
What Fish Has the Most Parasites? And Is It Safe to Eat?
Do Tuna Fish Die If They Stop Swimming?
How Long Have Anglerfish Existed: Fossil & DNA Evidence
What Are the Major Groups of Bony Fish?
What Are Fish Eyes Called and How Do They Work?
Can Fish Breathe Out of Water? The Science Explained
What Are Gill Rakers and How Do They Work?
Are Catfish Related to Sharks? A Look at Their Evolution
Do Fish Get Headaches? The Science of Pain in Fish
What Is a Freshwater Fish? From Physiology to Habitats
Do Fish Get Tired? The Science of Fish Fatigue
What Sensory Adaptation Does a Cavefish Have?
Do Fish Eat Fungi? The Role of Fungi in Aquatic Diets
Can a Fish Drown? How Oxygen Deprivation Happens
What Is a Palomino Trout? Its Origins and Genetics
Are All Fish Cold-Blooded? The Exceptions Explained
Why Is the White Perch a Problem for Native Fish?
Can Crappie and Bluegill Breed? The Science Explained
Do Quarries Have Fish? Explaining the Unique Habitat
Can Fish Get COVID? The Science on SARS-CoV-2 and Fish
Do Trout Have Two Hearts? Explaining Fish Circulation