head length
Normally a straight-line measurement taken from the tip of the upper lip to the posterior edge of the operculum.
Used in 68 profiles
Results for “head length”
Ichthyological terms, not general ones.
terminal mouth
Mouth located at the anterior-most part of the head with upper and lower jaws of equal length.
Used in 18 profiles
lateral line
Sensory organ comprising a series of neuromasts running along the head and flanks and used to detect movement and vibration in the surrounding water. Also known as the lateralis system and visible as one or more rows of pored scales of varying length in many fishes.
Used in 366 profiles