Sentence examples for pelvic spines from inspiring English sources

Ten thousand years ago or so, a mutation occurred at a DNA switch near Pitx1 and pelvic spines disappeared from lake fish.

One prominent difference is the pelvic spines.

To keep track of individual fish in subsequent rounds of mixed population schooling, all schooling fish were given unique marks using discrete clips of the dorsal or pelvic spines, or the caudal fin.

Animals were also assessed for the presence of a pelvic girdle and pelvic spines.

In the F2 progeny of F1 hybrids (all F1 fish had pelvic spines), pelvic spines were present in 218 individuals and absent in 65 individuals, in agreement with a 3 1 Mendelian ratio (χ = 0.62; P = 0.43).

The BN population also has a reduction in the number of dorsal spines and dorsal spine length, and all but one individual completely lacked pelvic spines.

The pelvic fin has six or fewer rays, but there is no pelvic spine.

Lampridiforms differ from beryciforms, however, in never having a subocular shelf or pelvic spine, in having more numerous vertebrae, and in having the upper tail fin supports fused with an independent vertebral centrum, a condition resembling that found in the cods and their relatives (Paracanthopterygii).

Pelvic spine and girdle lengths were measured with a digital caliper to the nearest 0.01 mm.

The slight brown color in the pelvic spine is due to natural pigmentation at this site.

Pelvic fin length was measured as length of the pelvic spine from the X-rays of the dissected pelvic fin.