predorsal
Area or region anterior to the first dorsal fin.
Used in 75 profiles
Results for “anterior”
Ichthyological terms, not general ones.
preocular
Anterior or in front of the eye.
preopercle
Bone forming the posterior and lower margins of the cheek; the anteriormost bone of the opercle. Also known as the preoperculum.
Used in 62 profiles
preorbital
Bone forming the lower, anterior section of the eye socket and normally the largest of the suborbital bones. Also known as the lacrimal or lachrymal bone.
Used in 12 profiles
pseudotympanum
Translucent, triangular area in the humeral region, behind the opercle, without muscle and where the anterior part of the gas bladder is in direct contact with the skin. It is hypothesised to function as a hearing aid in many juvenile characoids and is present in adults of certain species, notably members of the family Cheirodontidae.
Used in 2 profiles
pterygoid bone
Paired bone in the roof of the mouth connecting the palatine anteriorly to the quadrate posteriorly.
rostral barbel
Anterior maxillary barbel.
Used in 105 profiles
scapula
Paired bone attached to the pterygials, actinosts or radials of the pectoral fin. Articulates ventrally with the coracoid and anteriorly with the cleithrum.
snout
The projecting mouthparts, jaws, or part of the head anterior to the eyes.
Used in 285 profiles
snout length
Distance between the tip of the upper jaw and anterior margin of the orbit.
Used in 30 profiles
superior mouth
Mouth opening upwards due to the lower jaw projecting anteriorly further than the upper.
tripus
The hindmost Weberian ossicle of the Weberian apparatus, touching the anterior wall of the swimbladder and connected to the intercalarium by a dense, elongate ligament.
vomer
Thin, anterior, flattened bone dividing the nostrils in most vertebrates. Sometimes bears teeth.
Used in 4 profiles