zoeal造句

• The larvae have five planktonic zoeal stages and a final megalopal stage.
• Several zoeal moults are followed by the final larval stage, the megalopa.
• They spends some time drifting in the zooplankton and there are five zoeal stages.
• The larvae are planktonic and there are two zoeal larval stages and one megalopal stage.
• Eggs hatch into a zoeal stage, which is followed by a second zoea and then a megalopa stage before adulthood.
• "Z . adamsii " passes through four zoeal phases, and one megalopa phase before reaching the mature condition.
• Each species has a particular number of zoeal stages, separated by juvenile, living on the bottom rather than floating in the water.
• When they hatch, the snow crabs are in the zoeal stage, meaning that they are developing larva that can swim on their own.
• The zoeal stages last up to 130 days . The long planktonic stage means that the larvae can become widely dispersed and colonise new areas.
• When the eggs hatch, the larvae are liberated into the water column and pass through several zoeal stages in the plankton before becoming glaucotho?larvae.
• Both red and blue king crabs have planktotrophic larvae that undergo 4 zoeal stages in the water column and a non-feeding, glaucothoe stage which is an intermediate stage which seeks appropriate habitat on the sea floor.
• In a feeding trial, specimens of " Vallentinia gabriellae " were deprived of food for 48 hours and then offered a choice of rotifers, copepods, nematodes, crab zoeal larvae and mullet ) ranging in size from 12 to 15 millimetres in length, larger than the 10 millimetre diameter of the jellyfish.