GIFs: five types of jellyfish you can see at Aquarium of the Pacific

Jellyfish don’t have hearts, brains, or eyes, but their colors and shapes make for great GIFs.

Here are five types of jellyfish you can see in the Aquarium of the Pacific’s new sea jelly exhibit, which opened last week.

Another interesting fact: jelly is 95 percent water.

Learn how and why jellyfish sting with the BrainsOn Podcast.

Source: Pacific Aquarium. GIF by Maya Sugarman.

1. Spotted Lagoon Jelly

Lagoon jellyfish, also known as spotted jellyfish, live in the lagoons and bays of the South Pacific. These jellies harbor symbiotic algae within their tissues, which provide nutrients to the jellies through photosynthesis. For this reason, lagoon jellies often flock to follow the sun across a body of water for maximum exposure.

This jelly not only receives food from the symbiotic algae within its tissues, but also actively preys on plankton. Unlike most jellies, which have long tentacles, lagoon jellies only have thick mouth arms to capture prey. Lagoon jelly averages about 4 inches wide, but can reach up to 1 foot in diameter.

2. Japanese Sea Nettle

Japanese sea nettle ranges in color from golden to red, with dark stripes radiating from the center of the bell. This type of bell does not grow as large as other nettles, but the mouth arms and tentacles can grow to over 10 feet. These jellies thrive in subtropical temperatures of 54 to 77 degrees Fahrenheit in waters near Japan.

3.Moon jelly

Sometimes seen in huge schools (shoals of jellies are called sumacs) in shallow bays and harbors, this rippling jellies are transparent with short, slender tentacles. Moon jellyfish can reach 16 inches in diameter and have four rimmed mouth arms for transporting food. This moon jellyfish is easily recognized by her four large horseshoe-shaped reproductive organs located in the center of the bell. Moon jellyfish can grow quite large, but can be preyed upon by other species of sea jellyfish.

4. Sea nettle from Indonesia

The Indonesian sea nettle has thin filiform tentacles and frilly oral arms that reach about 3 feet in length. The pale bell has a dark reddish-orange color at its end. Their sting is dangerous to humans. The Indonesian sea nettle is found in China, Indonesia, and the Philippines.

5. West Coast Sea Nettle

Pacific sea nettles (also known as west coast sea nettles) live near the surface of the water column in shallow bays and harbors during fall and winter. They often form large schools in deep water during spring and summer.

These jellyfish are carnivores and feed on other jellyfish and a variety of zooplankton, including fish larvae and eggs, comb jellyfish, other jellyfish, and pelagic snails. As it moves through the water with its mouth arms and tentacles outstretched, the tentacles flow under, above, and beside the bell, creating a large surface area for prey.

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