Term
| Some functions of the caudal fin |
|
Definition
| forward thrust and rudder, steering |
|
|
Term
| Intermuscular bones in the vertebrae |
|
Definition
| Epineural and epipleural spines |
|
|
Term
| Structures of the derived bony fish caudal skeleton |
|
Definition
urostyle: upturned remnant of posterior vertebrae.
hypurals: enlarged and modified hemal spines |
|
|
Term
| Shape of caudal determined by vertebral arrangement |
|
Definition
| rounded, truncate (flat end), emarginated (shallow dip), lunate (deeply forked, thin), and forked |
|
|
Term
| Type of caudal determined by vertebral arrangement |
|
Definition
| heterocercal (top lobe longer than bottom), homocercal (both halves are same), isocercal (fused into one section), abbreviate heterocercal (slight upturning at the end) |
|
|
Term
| Function of median fins: Vanes |
|
Definition
|
|
Term
| Function of median fins: Keels |
|
Definition
|
|
Term
| Median fins made of rays of protein in cartilaginous fishes |
|
Definition
|
|
Term
| Median fins made of spines of bone in bony fish |
|
Definition
|
|
Term
| Modifications to dorsal fin: Finlets |
|
Definition
| dorsal and anal found on fast swimming fishes |
|
|
Term
| Modifications to dorsal fin: Ilicium |
|
Definition
| spine modified to form "fishing rod" |
|
|
Term
| Modifications to dorsal fin: sucking disc |
|
Definition
|
|
Term
|
Definition
| brakes, stabilizers (lift in sharks), aggressive displays, defensive (spines and barbs) |
|
|
Term
| Modifications of pectoral fins: Filamentous |
|
Definition
|
|
Term
| Modifications of pectoral fins: Wing-like |
|
Definition
|
|
Term
| Modifications of pectoral fins: Finger-like |
|
Definition
| crawling batfishes and sculpins |
|
|
Term
|
Definition
| function as brakes. smaller than pectorals. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| latitudinally compressed/thin |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| eel-length body, compressed latterally/thin |
|
|
Term
|
Definition
| Long body, rounded/tapers at end |
|
|
Term
|
Definition
| round, blob, not much structure |
|
|
Term
| Evolution of premaxillary bone |
|
Definition
| becoming more prominent with evolution. This is why we have so many diff feeding mechanisms and fishes |
|
|
Term
| Bones of skull that bear teeth |
|
Definition
upper: premaxilla, vomer, palatine, parasphenoid, pterygoid.
lower: basibranchial, dentary, glossohyal |
|
|
Term
|
Definition
| round, blob, not much structure |
|
|
Term
| Bones of skull that bear teeth |
|
Definition
upper: premaxilla, vomer, palatine, parasphenoid, pterygoid.
lower: basibranchial, dentary, glossohyal |
|
|
Term
| Bones of skull that bear teeth |
|
Definition
upper: premaxilla, vomer, palatine, parasphenoid, pterygoid.
lower: basibranchial, dentary, glossohyal |
|
|
Term
| Evolution of premaxillary bone |
|
Definition
| becoming more prominent with evolution. This is why we have so many diff feeding mechanisms and fishes |
|
|
Term
|
Definition
| Has ribs (Pleural rib). Also has Nevural canal on top (contains nerves). |
|
|
Term
|
Definition
| Hemal canal and hemal spine on bottom (blood supply). Neural spine on top. |
|
|
Term
| These lay on top of caudal vertebre and support fins on top |
|
Definition
|
|
Term
| This type of scale belongs to sharks and is pointed. |
|
Definition
|
|
Term
| This type of scale has ridges called circuli, but basically smooth. |
|
Definition
|
|
Term
| This type of scale has teeth |
|
Definition
|
|
Term
| This type of scale is flat, not much of a surface |
|
Definition
|
|
Term
| This type of body covering is a modified scale in the form of amor. |
|
Definition
|
|
Term
| this mouth type is very tiny, upper is way bigger than lower; ventral mouth |
|
Definition
|
|
Term
| this mouth type has the lower a bit smaller than the upper, underneath. |
|
Definition
|
|
Term
| this mouth type points slightly upwards; upper and lower basically same |
|
Definition
|
|
Term
| this mouth type is extremely exaggerated pointed upwards; lower longer than upper |
|
Definition
|
|
Term
| This canal of lateral line is above the eye |
|
Definition
|
|
Term
| This canal of lateral line is below the eye |
|
Definition
|
|
Term
| This canal of lateral line runs on the lower jaw |
|
Definition
|
|
Term
| This canal of lateral line runs laterally from the eye up |
|
Definition
|
|
Term
| This canal of lateral line goes across the body lengthwise |
|
Definition
|
|
