fish and fishing Flashcards
Vertebral Column
is either made of cartilage, in cartilaginous fish, or bone in bony fish
Neural crest
neural crest cells give rise to the dentine-producing cells of teeth
Fin
helps guide their movement
Scale
outer skin used to keep the fish smooth gliding through the water
Operculum
corneous or calcareous anatomical structure like a trapdoor which exists in many groups of sea snails and freshwater snails
Atrium
each of the two upper cavities of the heart from which blood is passed to the ventricles
Ventricle
hollow part or cavity in an organ
Nephron
each of the functional units in the kidney
Lateral line
system of sense organs found in aquatic vertebrates
Spawning
release or deposit eggs
Swim bladder
internal gas-filled organ that contributes to the ability of many bony fish to control their buoyancy
Jawless fish
usually consisting of fish that have a sucker for the mouth
Cartilaginous fish
bones made of cartilage not real bones also jawless
Bony fish
bones made of calcium and they have a jaw
Bowfin/Dogfish
Bowfin are basal bony fishes