Fish Anatomy
Fish breathe using these organs.
What are gills?
Fish have paired fins which allow for this adaptation.
What is balance?
The dorsal nerve cord in chordates is also known as this.
What is spinal cord?
This class of fish lack bones and scales. Examples are hagfish and lamprey.
What is agnatha (jawless)?
This fish is also a popular classroom pet.
What are goldfish?
The group of animals that includes fish, amphibians, reptiles, birds, and mammals is called this.
What are vertebrates/chordates?
Term for external fish fertilization.
What is spawning?
Human, chimpanzee, gorilla, frogs. These are all examples of things that have lost this adaptive structure.
What are postanal tails?
This class includes sharks, skates, and rays.
What are cartilaginous fish (chondrichthyes)?
Marlin in Finding Nemo was this species.
What are clownfish?
Fish have a line of sensory organs along their sides called this, which helps detect vibrations in water.
What is the lateral line?
This adaptation allowed fish to be predators.
What are jaws?
What is backbone?
Name for fish with bones that are split into two subgroups.
What are ostoichthyes (bony fish)?
Some species of this fish have 4 pairs of chromosomes, making them great model organisms!
What are sturgeon?
This structure allows fish to control depth in their aquatic environment.
What is the swim bladder?
These circle shaped scales are on salmon and carp.
What are cycloid scales?
The subphylum for chordata.
What is vertebrata (vertebrate)
These fish have a muscular joint similar to elbows and some even have lungs.
What are lobe-finned fish?
This colorful fish is known for its cleaning services -Including eating dead tissue from other fish and feeding on external parasites.
What are royal gramma?
This fin is a fish’s main source of movement.
What is caudal fin?
Salmon are called this term, meaning they are born in freshwater, live in the ocean, and return to freshwater to spawn.
What is anadromous?
Name for small pockets that form in the throat area of developing embryos.
This species is credited with being the gap between fish and early land animals.
What is Tiktaalik?
These fish are known for their large mouth and migration between coastal and freshwater habitats.
What are striped bass?