For instance, they learn to tell a female lobster from a male by looking at its tail and swimmerets
. Female lobsters have wider tails than males, and their first set of swimmerets
is feathery, while males' are bony.
When she does molt, the male turns her over onto her back and, using his first pair of swimmerets
, transfers his sperm to a receptacle in her body.
Each LAA extends laterally for a short distance, then descends and arborizes to supply hemolymph to the abdominal muscles and the swimmerets
(Wilkens et al, 1997b).
Deepwater tropical species which can be identified by a thick dorsal ridge and long swimmerets
, tend to be mushy and have a high peel loss -- up to 30% of body weight, vs.
Match the following words to the corresponding body part: carapace, antennae, walking legs, swimmerets
, tail fan.