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Glossary

postdorsal length

The distance between the dorsal fin insertion/origin and caudal fin base.

Used in 2 species profiles

Betta burdigala
Betta mahachaiensis

Related terms

caudal-fin
Also referred to as the tail fin, it's main purpose is thrust and propulsion.
dorsal-fin
Median, rayed, unpaired fin located on the dorsal surface (back) of most fishes. Its main purpose is to prevent the animal rolling and enable it to turn sharply. Some species possess more than one dorsal fin, in which case the anterior one is referred to as the first.
insertion
Point on the body of a fish at which emerges the front or rear edge of a fin.

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Seriously Fish · est. 2009

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