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Product Details
Students can watch the fascinating life cycle of sea urchins right in your classroom with these 14 fertile urchins (our choice of Eucidaris tribuloides or Lytechinus variegatus). We guarantee at least 50% of the urchins to be ripe on arrival and recommend that they be used the day of arrival or immediately the next day to avoid reabsorption of gametes. Early cleavage through pluteus larvae. Urchins are not sexed, but the male-to-female ratio is typically about 1:1.
Note: Order at least 2 weeks in advance of requested delivery date. Orders are shipped directly from our vendor located on the Florida coast. Orders are shipped on Mondays and Tuesdays for overnight delivery. Live delivery is not guaranteed for marine specimens shipped out of the continental United States.
If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.
