fish and fishing vocab Flashcards
vertebral column
the skeleton which forms the support structure inside the fish
neural crest
temporary group of cells unique to vertebrates that arise from the embryonic ectoderm cell layer
fin
flattened appendage on various parts of the body of many aquatic vertebrates and some invertebrates including fish and cetaceans
scale
vary enormously in size, shape, structure, and extent, ranging from strong and rigid armour plates in fishes
operculum
series of bones found in bony fish that serves as a facial support structure and a protective covering for the gills it is also used for respiration and feeding.
atrium
A chamber of the heart that receives blood from the veins and forces it by muscular contraction into a ventricle
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
lateral line
system of sense organs found in aquatic vertebrates used to detect movement, vibration, and pressure gradients in the surrounding water
spawning
external method of reproduction
swim bladder
internal gas-filled organ that contributes to the ability of many bony fish
jawless fish
Also called agnathan.
cartilaginous fish
a fish of a class distinguished by having a skeleton of cartilage rather than bone, including the sharks, rays, and chimeras
bony fish
a fish of a large class distinguished by a skeleton of bone, and comprising the majority of modern fishes
bowfin/dogfish
basal bony fishes related to gars in the infraclass Holostei