What does zoeae?
nounWord forms: plural zoeae, zoaeae (zəʊˈiːiː ), zoeas or zoaeas. the free-swimming larva of a crab or related crustacean, which has well-developed abdominal appendages and may bear one or more spines.
Is ZOEA a word?
ZOEA is a valid scrabble word.
Is zoeae a Scrabble word?
ZOEAE is a valid scrabble word.
What is a Megalopa?
Definition of megalops 1 plural megalops or megalopses : a larva or larval stage following the zoea in the development of most crabs in which the legs and abdominal appendages have appeared, the abdomen is relatively long, and the eyes are large. — called also megalopa.
Is Zoeas a Scrabble word?
Yes, zoeas is a valid Scrabble word.
Is crab a zoea?
Crabs. The crab larval phase begins as a zoea, of which there are five, followed by megalopa then crab. Although still developmental, pond-based culture for Scylla spp.
What is a megalopa?
What is a nauplius?
Definition of nauplius : a crustacean larva in usually the first stage after leaving the egg and with three pairs of appendages, a median eye, and little or no segmentation.
What is Kentrogen?
The pointed end of the cuticle of parasite’s hook begins to bore the cuticle. of the crab. It is then known as Kentrogen stage. Within it a chitinous rod. known as DART is differentiated.
What is Ephyra Aurelia?
Members of the jellyfish in the class Scyphozoa undergo a complex life cycle including a larval medusa or ephyra stage.
What is a Naupliar eye?
Relatively simple, median eye, typically consisting of 3 photoreceptor units (up to 7 in taxa where it persists in the adult) and first appearing in the nauplius larval stage. Thought to be a primitive (defining) feature of the Crustacea; it is secondarily reduced or lost in many taxa. [
What is megalopa larva?
Megalopa larva It has a broad and crab-like unsegmented cephalothorax. The carapace is produced anteriorly into a median spine. The eyes are large, stalked and compound. All the thoracic appendages are well formed of which the last 5 pairs are uniramous.
What is crab zoea?
Zoea. The genus Zoea was initially described by Louis Augustin Guillaume Bosc in 1802 for an animal now known to be the larva of a crab. The zoea stage (plural: zoeas or zoeae) is characterised by the use of the thoracic appendages for swimming and a large dorsal spine.
What is Amphiblastula and parenchymula?
Sponges like Leucosolenia, Scypha are stationary animals. Development in sponges is indirect involving a free-swimming larva – amphiblastula or parenchymula, for dispersal. Sycon life history involves amphiblastula larva.
What is the meaning of Scyphistoma?
Definition of scyphistoma : a sexually produced scyphozoan larva that ultimately repeatedly constricts transversely to form free-swimming medusae.