Description: This small hydromedusa has about 20-70 unbranched tentacles of similar size (40-72 when mature), which originate evenly around the margin of the bell.

The gastric cavity, the radial canals, the ring canal, and the tentacular canals (when they exist) form the gastrovascular system, which serves both for digestion and for distribution of food, …

nous hydromedusa. It has a wide bell, many tentacles, and radial canals that run from the mouth to the bell margin, where they are connecte by a ring canal. Suspended from the inside of the …

The bell margin is surrounded by uneven tentacles, up to 150 of them in fully-grown specimens. The tentacles possess nematocysts that aid in prey capture, although they have no effect on …

I hoped to see if, under these circumstances, a new stomach and manubrium would develop, or if from each of the proximal ends of the radial canals a single manubrium would sprout forth.

Description: This bell-shaped hydromedusa (usually just slightly broader than tall) has about 60-80 unbranched tentacles which evenly spaced around the margin of the bell.

Radiating from the four corners of the stomach are four dark, narrow radial canals that extend from the stomach to the margin of the bell. They are dark and should be easy to see unless …

The present work is a compilation of all the genera and species of hydromedusae known, built up from literature since Kramp’s 1961 synopsis to a few months before publication. Keys and …

Jun 3, 2024 · The genus is distinguished by having 1 tentacle bulb and 4 radial canals, one of which is longer than the rest, giving a lopsided appearance. H. prolifer distinguished from the …

The medusae usually have gamete masses along the radial canals or, exceptionally, on the manubrium. The marginal tentacles are peripheral, hollow, without a true basal bulb; their base …