Nudibranch

The nudibranch is a type of mollusk that doesn't have a shell.National Geographic: Nudibranch It is a common type of sea slug.Aquatic Community: Nudibranch The word nudibranch means "naked gills".Nudibranch.com: About Nudibranches - Opisthobranchs

The nudibranch is generally oblong in shape with feathery gills and horns.National Geographic: Nudibranch It has a jelly-like body and no mantle cavity.Aquatic Community: Nudibranch The nudibranches can be classified into four main groups, based on appearance. The Harlequin nudibranch has a pair of tentacles on the top of its head and is the most numerous of the nudibranchs. The Tubercular nudibranch is covered with fingerlike appendages and is second most common. The Black Gilled nudibranch has a cuplike sheath on its head, and the Veiled nudibranch has ridges on its back with a fleshy lobe on its head.Nudibranch.com: About Nudibranches - Opisthobranchs

There are 3000 different types of nudibranches. They are found in the Atlantic, Pacific and Indian Oceans. The nudibranch lives under rocks and around coral reefs. Its lifespan is tied to that of it food source. For example a nudibranch that usually feeds on slow growing, common organisms may live up to a year. A nudibranch thatis designed to feed on transient short lived or seasonal organisms may complete its life-cycle in 4-6 weeks.Nudibranch.com: About Nudibranches - Opisthobranchs

• National Geographic Magazine: Nudibranch Jigsaw Puzzles

• National Geographic Animals: Nudibranch Fast Facts Printable Page | Wallpaper

• The Flying Kiwi: Sea Slug (Nudibranch) Wallpaper

• ThinkQuest: Nudibranch Coloring Page

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