-
primitive jawless fish
Petromyzontida
-
cartilaginous fish
Chondrichthyes
-
modern bony teleosts
Actinopterygii
-
bony fish are also called
teleosts
-
Perch body shape is called
fusiform
-
eel body shape is called
elongated
-
a shape that is flattened laterally is called
compressed
-
body shape flattened dorso-ventrally
depressed
-
body shape (sea horse)
truncated
-
thin shape of an eel is called
attenuated
-
describe the movement of water for olfaction
- 1. enters the rostral nasal aperture
- 2. passes over the olfactory epithelium in olfactory sacs
- 3. leaves via caudal aperture
-
This is an acoustic sense organ that senses water movement, pressure, temperature
lateral line
-
-
name the unpaired (median) fins and if they have hard or soft rays
- first dorsal - hard
- second dorsal - mostly soft
- anal - mostly soft
- caudal - entire soft
-
when the vertebral column terminates at the tail base it is called
homocercal
-
ossified hard rays are called
lepidotrichion
-
soft rays are called
ceratotrichion
-
these scales are found on fish with stiff spines (perch) The small teeth are called ____.
ctenoid, ctenii
-
these scales lack ctenii
cycloid
-
this scale is in cartilaginous fishes and has a back pointing spine
placoid
-
these scales are on primitive bony fish
ganoid
-
This is synonymous with the mandible of mammals
dentary bone
-
These bones form the jaw articulation
-
This bone is caudal to the gills and is best seen on carp skeletons
operculum
-
The three bones of the operculum
opercular, interopercular, subopercular
-
This contains the notochord
centrum
-
The parts of a vertebra from dorsal to ventral
- neural spine
- neural arch
- hemal arch
- hemal spine
-
encloses spinal cord
neural arch
-
surrounds caudal v. & caudal dorsal aorta
hemal arch
-
these ribs lie between the epaxial and hypaxial musculature
epipleural ribs
-
These are the ventral ribs
pleural ribs
-
this means base fin (on the carp)
basipterygia
-
contraction of muscles results in movement and ______
heat generation
-
attached to the arches on the oral surface to keep food from entering gill chambers
gill rakers
-
the general cavity containing the internal organs
coelomic cavity
-
This is the glandular region of the stomach
corpus
-
this is the aglandular region of the stomach
pyloric
-
This vessel goes from the heart to the gills
ventral aorta
-
this vessel goes from the gills to the body
dorsal aorta
-
These vessels go from the head to the heart
cranial cardinal veins
-
these vessels go from the body to the heart
caudal cardinal veins
-
The four parts of the heart from caudal to cranial
- sinus venosus
- atrium
- ventricle
- bulbus arteriosus (extenstion of ventral aorta)
-
This organ is located along the dorsal body wall and the cranial portion is called ______.
kidney, head kidney
-
This is a fusion of the urinary bladder and oviduct
urogenital sinus
-
the urogenital sinus terminates in the
urogenital pore
-
This contains the ductus deferens and opens to the exterior via the ________.
genital sinus, genital pore
-
Male perches have how many external openings (near tail)
3 - anus, genital pore, urinary pore
-
female perches have how many external openings (near tail)
2 - urogenital pore and anus
-
What is the male fish ejaculate called?
milt
-
Spawning is
the release of eggs and sperm into the water
-
newly hatched offspring are called
Fry
|
|
