Unit 3 Ichthyology

Front

What is Ichthyology?

Back

Ichthyology is the branch of zoology that studies fish, including their biology, behavior, ecology, and conservation.

Front

What does ectothermic mean?

Back

Ectothermic refers to organisms that rely on external sources of temperature to regulate their body heat, commonly known as 'cold-blooded'.

Front

Are all aquatic animals considered fish?

Back

No, not all aquatic animals are fish. For example, whales and dolphins are mammals, not fish.

Front

What are the main characteristics of fish?

Back

Fish typically have gills for breathing, fins for swimming, scales covering their bodies, and are ectothermic.

Front

What is the significance of fish in ecosystems?

Back

Fish play crucial roles in aquatic ecosystems as predators, prey, and contributors to nutrient cycling.

Front

What is the difference between bony fish and cartilaginous fish?

Back

Bony fish have a skeleton made of bone, while cartilaginous fish, like sharks, have a skeleton made of cartilage.

Front

What is the role of fish in human culture?

Back

Fish are important for food, recreation (sport fishing), and cultural symbolism in many societies.

Front

What adaptations do fish have for living in water?

Back

Fish have streamlined bodies for efficient swimming, gills for extracting oxygen from water, and fins for maneuvering.

Front

How do fish reproduce?

Back

Most fish reproduce by laying eggs (oviparous), but some give birth to live young (viviparous).

Front

What is overfishing?

Back

Overfishing is the practice of catching too many fish at once, leading to a decline in fish populations and disrupting ecosystems.