Explanations for this have included physiological barriers, an example being
the decapod crustaceans, which have an inability to down - regulate blood magnesium levels sufficiently below that of seawater, leading to a loss of activity and eventual death at polar water temperatures [57].
Molecular phylogeny of selected
decapod crustaceans based on 18S rRNA nucleotide sequences.
This bundle contains 18 ready - to - use Crab Worksheets that are perfect for students who want to learn more about Crabs which are
decapod crustaceans which have a very short tail and are covered with a thick shell, or exoskeleton and are armed with a single pair of claws.
True crabs are the most successful group of
decapod crustaceans, with about 7,000 living species known.
Rhizocephalan barnacles (Rhizocephala) are parasitic relatives of the more familiar filter - feeding barnacles, and they infect and feed on
decapod crustaceans.
The marbled crayfish is the only
decapod crustacean that reproduces asexually, with the all - female species making clones of itself from eggs unfertilized by sperm.
Not exact matches
Crustaceans that have them include the
decapods — shrimp and lobsters and their relatives.