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May 30, 2005 How do tubeworms reproduce? From Kyle Hi Kyle, Really good question! There are male and female tubeworms--you can tell the difference because males have a V on their collar muscle (see the Vent Biology module in Deeper Discovery), while the females have an X. The eggs and sperm are deposited into the water column and externally fertilized. The larvae then settle and grow. Keep diving and discovering! How crowded does it feel in the submersible? Mikaela Hello Mikaela: It always seems a bit crowded at first—but you get used to it! There are three people, plus a lot of computers, video recorders, gas cylinders, etc. in a sphere that is only six feet (two meters) in diameter. Most of the time, you are sitting cross-legged or with your legs hunched up to your chest, but with some organization, you can stretch your legs out while you are not looking out the viewport. Thanks for following the cruise! What kind of fish and how many different kinds have you found? Kimberly Hello Kimberly, On this cruise, we have seen five types of fish and two species: bythitids—see pictures on the Website—and zoarcids that are found around vents, and three others (tripod fish, eel and rat-tail) that are found in many places in the deep sea. Thanks for the question!
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