Fish & Fishing Flashcards
Vertebral Column
series of approximately 33 bones called vertebrae,
Neutral Crest
transient embryonic structure in vertebrates that gives rise to most of the peripheral nervous system
Scale
The stuff that covers fish
Operculum
series of bones found in bony fish that serves as a facial support structure
Atrium
A chamber of the heart that receives blood from the veins
Ventricle
A chamber of the heart that receives blood from one or more atria and pumps it by muscular contraction into the arteries.
Nephron
functional unit of the kidney, the structure that actually produces urine in the process of removing waste and excess substances from the blood
Lateral Line
also called lateralis system, a system of tactile sense organs, unique to aquatic vertebrates from cyclostome fishes
Spawning
eggs and sperm released or deposited into water by aquatic animals
Swim Bladder
internal gas-filled organ that contributes to the ability of many bony fish
Jawless Fish
any of the taxonomic group (Agnatha) of primitive vertebrates without jaws including cyclostomes and extinct related forms
Cartilaginous Fish
any of a class (Chondrichthyes) of fishes (such as a shark, ray, or chimaera) having the skeleton wholly or largely composed of cartilage
Bony Fish
skeletons primarily composed of bone tissue, as opposed to cartilage
Bowfish/Dogfish
long spiny fin
Brown Bullhead
looks like a catfish
