ANATOMY OF FISH ES
SKULL OF A BONY FISH (TELEOST)
Fig. 2
Fig . 1 Lateral view of a bony fish skull and pectoral fin skeleton based on a percoid fish. Non-percoid fishes may lack some of the bones shown here, or they
may have a few additional bones.
Fig. 2 Ventral view of fish skull with lower jaw, gills, opercles, subopercles, and interopercles removed. Black areas are tooth patches.
AN
angular (retroarticular)
IN
intercalar (opisthotic)
PS
pterosphenoid
AP
ascending process of premaxilla
10
infraorbitals (1 -6)
PT
pterotic
AR
articular (angulo-articular)
lOP interopercle
PTT posttemporal
BA
basioccipital
LE
lateral ethmoid (prefrontal)
Q
quadrate
BH
basihyal (glossohyal)
LP
lateral process of premaxilla
RAD radial
BR
branchiostegal rays
M
maxilla
ROS rostral cartilage
BS
basisphenoid
MPT metapterygoid
SC
scapula
CER ceratohyal
N
nasal
SCL supracleithrum
CL
cleithrum
OP
opercle
SE
supraethmoid
COR coracoid
ORB orbitosphenoid
SM supramaxilla
D
dentary
P
parasphenoid
SOC supraoccipital
DH
dorsal hypohyal
PAL palatine
SOP subopercle
ECT ectopterygoid
PAR parietal
SPH sphenotic
EH
epihyal
PB
pelvic bone
SY
symplectic
ENT endopterygoid
PC
postcleithrum
UH
urohyal
EP
epioccipital
PM premaxilla
V
vomer
EX
exoccipital
POP preopercle
VH
ventral hypohyal
F
frontal
PRO preorbital (lacrimal, lachrymal)
HYO hyomandibula
PR
prootic
4